Northern Lights Dazzle the Sky Over Southern Ontario on Monday Night; Will They Return Tonight?


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Residents across Southern Ontario were treated to a rare and awe-inspiring celestial spectacle last night, as the Northern Lights made a stunning appearance across the region on Monday. The breathtaking natural light show painted the night sky with vibrant hues of green, pink, and purple.

The Northern Lights, also known as the Aurora Borealis, are a natural phenomenon caused by charged particles from the sun colliding with gases in the Earth's atmosphere. This collision releases energy in the form of colourful light, creating an ethereal dance of colours that is a sight to behold. While the Northern Lights are more commonly associated with regions closer to the Arctic Circle, the display seen in Southern Ontario was a rare treat for residents in this part of Canada.


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Those across the province were quick to capture the event, sharing stunning photographs and videos on social media. This was certainly the case in our weather report group, Ontario Storm Reports as we received over 200 pictures of the dazzling colours!

During last night's Northern Lights display in Southern Ontario, a fascinating celestial guest made an appearance alongside the traditional Aurora Borealis: STEVE, or Strong Thermal Emission Velocity Enhancement. This mysterious phenomenon, often likened to a "picket fence" of light, added an extra layer of intrigue to the already mesmerizing light show.


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STEVE is not a true aurora but rather a separate atmospheric phenomenon, and its presence in the Southern Ontario night sky last night added to the wonder and mystique of the celestial spectacle, leaving observers in awe of the captivating dance of light above.

Predicting the visibility of the Northern Lights, or Aurora Borealis, in Southern Ontario involves monitoring the geomagnetic activity, often assessed using the Kp Index. Last night, with a Kp Index around 6-7, conditions were favourable for the auroras to grace the skies of Southern Ontario.

MAP FROM noaa swpc

To be able to see the Northern Lights, we require a Kp Index of at least 5 for the northern section of Southern Ontario and around 6 for the rest of Southern Ontario. A Kp Index of 3-4 means that the Aurora will likely be relegated to the far northern part of Northern Ontario where it is more commonly found.

After last night’s impressive display of colours, many have wondered if the Northern Lights will return for an encore performance on Tuesday night. Unfortunately, the latest data isn’t favourable for the Northern Lights to be viewable in Southern Ontario. The Space Weather Prediction Center is forecasting a maximum Kp Index of 4 over the next 12 hours.


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With a Kp Index of 4, we could see the Northern Lights be visible as far south as Winnipeg and Thunder Bay. The chances of the Aurora reaching as far south as Southern Ontario are low. However, we can’t rule out the Auroras being visible along the horizon in northern parts of the region.

While this level is not as conducive to the Northern Lights as last night's conditions, it's essential to remember that aurora forecasting can be somewhat unpredictable. Nature has its way of surprising us, and sometimes, even with a lower Kp Index, the Northern Lights might still put on a show.

Windsor’s Third Tornado of 2023 Ties It With Ottawa in a Contest That Neither City Wants to Win

IMAGE COURTESY OF THE NORTHERN TORNADOES PROJECT (NTP)

The NTP has confirmed that Windsor’s third tornado of the season touched down at 10:30 PM on Thursday, August 24th, 2023. NTP’s damage investigation revealed that the tornado was on the ground for 11.6 kilometres and had a maximum width of 470 metres. The estimated maximum wind speed was 125 km/h, which classifies this tornado as an upper-end EF0 and only 10km/h shy of a low-end EF1. They also estimate the forward-motion of the tornado was 80km/h. 

IMAGE COURTESY OF THE NORTHERN TORNADOES PROJECT (NTP)



We at Instant Weather sent out a “TORNADO POTENTIAL” notification at 10:18 PM that specifically mentions Windsor, 12 minutes in advance of the tornado (https://instantweather.ca/2023/08/25/TN5azD-tornado-potential/) during our livestream (https://www.youtube.com/live/tvNR6bM37S0&t=9053).

IMAGE COURTESY OF THE NORTHERN TORNADOES PROJECT (NTP)

Environment Canada issued a Tornado Warning for Essex County at 10:36 PM, 6 minutes after the tornado began and unfortunately, it did not mention Windsor was in the path; “Locations impacted include: Amherstburg, LaSalle, McGregor, Colchester and Harrow.” (https://instantweather.ca/2023/08/25/GAadqr-tornado-warning-replaces-severe-thunderstorm-warning/).

IMAGE COURTESY OF THE NORTHERN TORNADOES PROJECT (NTP)

Environment Canada did, however, forecast a "High Risk” for severe weather that included the risk for a tornado at 11:29 AM (https://twitter.com/ECCCWeatherON/status/1694733744320487555) along with mentioning a risk of a tornado in their Severe Thunderstorm Watch (https://instantweather.ca/2023/08/24/ZysJ2g-severe-thunderstorm-watch-issued/). Additionally, Environment Canada issued a Severe Thunderstorm Warning for Essex County at 9:34pm (https://instantweather.ca/2023/08/25/lrF3yo-severe-thunderstorm-warning-issued/). However, it had no mention of a tornado risk.



IMAGE COURTESY OF THE NORTHERN TORNADOES PROJECT (NTP)

We sincerely hope that everyone stayed safe in the path of these dangerous storms and we’re grateful that we were able to help provide advance notification to our community members who were in the path.

If you do not have our free app and would like to receive our custom notifications such as rotation detected, damaging winds, funnel cloud reports and in rare cases; tornado potential, download our free app at https://InstantWeather.ca/app.

A huge thank you to our passionate community for helping us get the word out about tornadoes and severe weather! Our thoughts remain with all those affected by Thursday’s storms.

EF0 Tornado Confirmed South of Hamilton, Ontario on Saturday Morning

The Northern Tornadoes Project (NTP) has officially verified the occurrence of a tornado near Caledonia, Ontario, during the morning hours of Saturday (August 12, 2023, at 10:15 AM EDT). The tornado's impact resulted in EF0 damage, primarily affecting trees within the vicinity.



The visual evidence captured by witnesses, including images and videos of the funnel cloud, prompted the NTP to launch an investigation into the event. Their findings unveiled a narrow path of damage situated to the northeast of Caledonia. This affected area showcased characteristics of snapped stems and broken branches, along with indications that the tornado had lifted larger branches.



In terms of intensity, the tornado's maximum wind speed was estimated at 115 km/h. It followed a track length of 5 kilometres, with its maximum path width spanning 150 meters.

This radar scan at 9:59 AM from the King City radar as shown on IW Pro provided an early indication of potential tornado activity to the northwest of Caledonia. This rotation eventually materialized into the confirmed tornado, which touched down approximately 15 minutes later northeast of Caledonia.



Based on the radar-detected rotation, Instant Weather sent out a ‘Tornado Potential’ notification at 9:53 AM. This advance notification specifically identified Caledonia as an area potentially at risk where the tornado eventually touched down around 20 minutes later:

We've detected tornado potential with this storm near #Middleport, tracking east towards the #Caledonia and #MountHope region. Significant damaging winds are present on radar as well.

Tornado potential means this storm could produce an isolated tornado.

Environment Canada issued a severe thunderstorm warning at 10:18 AM which included Caledonia, however, it didn’t mention any tornado risk.

UPDATE: Now Three EF1 Tornadoes Confirmed From June 20th, Including a 1.2 KM Wide Tornado

UPDATE: The Northern Tornadoes Project has now confirmed three EF1 tornadoes in Southern Manitoba that occurred on Tuesday, June 20th, 2023. Our thoughts remain with those affected.

The NTP initially wrote:

”Two NTP ground/drone survey teams have been busy in SW Manitoba after the intense evening storms of June 20th there. Initial results are that two tornadoes occurred, each rated EF1.”

And have since followed that up with:

”An NTP survey has turned up a third EF1 tornado from the June 20th storms in southwest Manitoba…”

Below are some highlights from the NTP’s summary:

”Structural and tree damage reported in (Sidney/MacGregor) area. No injuries were reported. An NTP ground and drone survey was completed in the area… …documenting the structural damage along with grain bin damage and tree damage along a track appox. 7 km long and 800 m wide at maximum. Damage assessed as EF1 tornado (over land), with an estimated max. wind speed of 135 km/h.”

”Satellite imagery review revealed a tornado damage path in a forested area that likely started approximately 100 m south of the Canadian border near Carpenter, ND, with most of the damage (including the worst) occurring in Canada. An NTP drone survey of the Canadian portion of the tornado track was completed on June 23, 2023. A preliminary analysis of the Canadian portion of the track was completed by NTP. Event was assessed as EF1 tornado, with an estimated max. wind speed of 145 km/h, track length of 6.50 km and max. path width of 210m.

“Structural and tree damage was reported in the Killarney - Ninette area following a storm passing though. An NTP ground and drone survey was completed on June 21 and 22, 2023…” “…Event was assessed as EF1 tornado, with an estimated max. wind speed of 155 km/h, track length of 17.5 km and max. path width of 1.2 km.” “…Further investigation is pending, including satellite imagery review and additional drone imagery review.”


Below is a timeline of the event regarding forecasts, alerts and custom notifications:


On Monday, June 19th at 2:04 PM, Environment Canada issued a timely “Moderate” forecast that mentioned the risk for a tornado in Southern Manitoba. They mentioned; “Severe thunderstorms tomorrow in the yellow area. Very large hail, very strong wind gusts, and very heavy rain are the main threats with risk of tornado. Stay up to date with watches and warnings.”


On Tuesday, June 20th at 12:18 AM during our livestream of the severe weather event the night before, we debuted our custom forecast and initially went with a “Significant” forecast for “Several Tornadoes”.


Environment Canada updated their forecast to a “High” risk on Tuesday, June 20th at 11:44 AM, which still included a tornado risk on the map. ”An update for the orange area. Winnipeg and Brandon are in a new yellow area. Very large hail, strong wind gusts, and very heavy rain are possible in this new yellow region.”


Later that afternoon at 12:55 PM, we updated our forecast to a “Strong” forecast but added a Significant Hail Risk region to the map and shared it with the headline; ”Potential Significant Severe Threat in Southern Manitoba for Tuesday Evening With the Risk of Tornadoes”.


At 3:27 PM, Environment Canada issued a Severe Thunderstorm Watch for parts of Southwestern Manitoba and wrote: "Conditions are favourable for the development of severe thunderstorms this afternoon and this evening in parts of Southern and Eastern Manitoba. The main threats from these thunderstorms will be: - hail to the size of baseballs - wind gusts in excess of 100 km/h - rainfall in excess of 50 mm. Thunderstorms will continue well into the evening hours.”


At 4:27 PM, we at Instant Weather launched what would end up being an eight hour livestream (one of our longest) with the title “MANITOBA LIVESTREAM: Tornado Risk” to cover these storms in real-time and we linked this video to roughly when these storms coming across the international border began to strengthen on radar before ultimately producing two EF1 tornadoes with one area of damage still under investigation.


At 8:52 PM, 43 minutes in advance of the first touchdown, Environment Canada issued a Severe Thunderstorm Warning for the affected areas that mentioned “Environment Canada meteorologists are tracking a severe thunderstorm capable of producing loonie-sized hail and wind gusts in excess of 90 km/h.”


At 8:53 PM (42 minutes before touchdown), we sent out a custom notification regarding the storms that were tracking across the border which said; “Minor Rotation Detected: We've detected minor rotation on this storm just crossing the international border, heading northeast towards #Boissevain, #Ninga, etc." Upper level rotation is much stronger than surface based rotation but strong damaging winds are also possible. In rare cases, minor rotation can produce a tornado in its lifespan.”


At 8:55 PM (40 minutes before touchdown), we sent out another custom notification to the same region that said “TORNADO POTENTIAL: We've detected tornado potential with this storm just crossing the international border, heading northeast towards #Boissevain, #Ninga, etc. Significant hook-echo and strong rotation now evident on US radar. Tornado potential means this storm is likely to produce an isolated tornado. Damaging wind gusts, hail, isolated flooding, and frequent lightning are also likely. Please be safe in the path of this storm!”


At 9:01 PM (34 minutes before touchdown), we shared a radar image of the storms tracking to the northeast towards the affected regions and wrote “Shelter NOW on this storm about to cross into Manitoba south of Boissevain. Very strong signs of rotation.”


At 9:11 PM, Environment Canada continued the Severe Thunderstorm Warning which mentioned “Environment Canada meteorologists are tracking a severe thunderstorm capable of producing loonie-sized hail and wind gusts in excess of 90 km/h. At 9:10 P.M. CDT doppler radar indicated that this severe thunderstorm was located South of Deloraine and Turtle Mountain Provincial Park and was moving toward the Northeast at 40 km/h.”


At 9:44 PM, we noticed a very small rotation couplet on radar during our livestream which ended up being the signature for the first EF1 tornado as it crossed into Canada.


At 9:57 PM, we sent out a custom notification that said; “DEBRIS SIGNATURE: There is a debris signature on US radar near #Wakopa, tracking northeast into #Killary area. Take shelter in the path of this storm. Tornado potential means this storm is likely to produce an isolated tornado. Damaging wind gusts, hail, isolated flooding, and frequent lightning are also likely. Please be safe in the path of this storm!”


At 10:00 PM, we sent out a custom notification on a new area of rotation as the second tornado was beginning its 17.5km journey and wrote: “TORNADO RISK: A tornado is possible with this storm west of #Killarney, tracking to the northeast. If you are in the path, get to the lowest level (preferably a basement) of a sturdy structure and get to the most interior room that has as many walls between you and the outside as possible. Damaging wind gusts, hail, isolated flooding, and frequent lightning are also possible with severe thunderstorms. Please be safe in the path of this storm!”


In summary, we’re so thankful that there were no reported injuries from these two dangerous tornadoes and super grateful that we were able to help those in the path get to safety by send out custom notifications via our free app Instant Weather. Our thoughts remain with those who were affected and a huge thank you to the NTP for their timely and detailed survey.

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Canada's First Tornado of 2023 Confirmed Near Regina, Saskatchewan

In what may seem like an unusually late start to Canada's tornado season, the nation's first tornado of 2023 touched down near Regina, Saskatchewan on May 27. The tornado, confirmed by both the Northern Tornadoes Project (NTP) and Environment and Climate Change Canada (ECCC), caused significant localized damage but resulted in no reported injuries.

DAMAGE CAUSED BY TORNADO - Photo courtesy of the Northern Tornadoes Project (NTP)

The tornado occurred southeast of Regina at 8:55 p.m., initially rated as EF0, the lowest rating on the Enhanced Fujita Scale used to rate tornado strength. However, an NTP survey team later upgraded the rating to EF1, indicating more significant damage with an estimated maximum wind speed of 150 km/h.

The major impact was on a farm near Rowatt, where a large machine shed suffered roof damage. Witnesses reported debris blown up to 2.5 km NNE of the damage site. The owner of the farm, Jennifer Kreklewich, described the scene as a "disaster" and said the damage was more severe than what photos could show.

 
 

In addition to the tornado, the supercell storm also brought heavy rain, flooding, and severe hail to Regina that same night. Flash flooding led to water backlogs and multiple stranded vehicles in Regina's underpasses, with water damage reports pouring into insurance companies the next day. One notable business closure due to flooding was the Shoppers Drug Mart on Broad Street. There were also reports of toonie-sized hail across Regina.

According to Terri Lang, a meteorologist with ECCC, the size of a tornado doesn't necessarily indicate its strength. A tornado's strength is determined by the damage it causes, not its physical appearance. This is why many tornadoes are rated EF0, especially those that touch down in remote areas where their ability to cause damage can't be accurately analyzed. And was later upgraded once the damage was uncovered.

At the time of the storm, a local radar station near Regina was down, making it challenging for meteorologists to track the storm. ECCC meteorologists used radar near Saskatoon, western Manitoba, and northern Montana, as well as satellite photos, surface observations, and lightning detectors, to track the storm. The lack of a functioning local radar may have led to a delay in the tornado warning, which was issued seven minutes after the tornado touched down. There was a thunderstorm warning issued just after 8 p.m., following reports of heavy rain and hail.

Despite the challenges faced due to the radar outage, the tornado was quickly detected thanks to reports sent into Instant Weather from community members including from Stephanie W. that shared a picture that showed a clear funnel with debris on the ground

Additional tornado reports were received from storm chaser Craig Boehm which led Environment Canada to issue a tornado warning after touchdown. The Bethune radar station, which was down at the time, has returned to service.

SOURCES

  1. First tornado of the year touches down near Regina, CTV News
  2. NTP survey team report, Twitter
  3. South Saskatchewan storm leads to first confirmed tornado of 2023, Global News
  4. Meteorologists challenged after local radar station down during Regina tornado, Toronto Star

One Year Later: Reflecting on the Impact and Recovery from the Historic May 2022 Canadian Derecho

Storm damage in Uxbridge, OntariO - Photo courtesy of the Northern Tornadoes Project (NTP)

On May 21, 2022, Southern Ontario and Quebec were hit by a devastating derecho, an event that would be ingrained in the memories of millions of Canadians. Described as one of the most impactful thunderstorms in Canadian history, the derecho wreaked havoc across a 620-mile-long track, resulting in unprecedented levels of destruction and loss. Now, a year later, we look back at the event, the recovery efforts, and the ongoing investigations into this historic event.

Understanding Derechos

A derecho is a type of violent, fast-moving windstorm associated with severe thunderstorms and characterized by a long-lasting, straight-line windstorm that spans hundreds of kilometres. These storms are not common in southern Canada. Typically, derechos in this region form during mid-summer when a hot and muggy air mass covers the Midwest and Ohio Valley. These derechos tend to develop on the northern boundary between the hot, humid air and cooler, drier air where there is also an elevated mixed layer.

The Birth of a Storm

 
 

The May 2022 derecho was born out of a persistent May heat wave that had initially enveloped the U.S. and gradually expanded northwards to cover Southern Ontario and Quebec. Unseasonably warm temperatures, more akin to July, laid the groundwork for this high-impact storm. The storm system first formed south of Chicago and, by the morning of May 21, had developed into significant wind-producing thunderstorms in Michigan. The derecho coalesced into a bow front approximately 100 km wide as it hit London, Ontario, continuing to intensify as it moved eastward through the region.

The Aftermath

The storm caused widespread damage to residential and commercial properties and public utility infrastructure. At least twelve people lost their lives, primarily due to falling trees, while an estimated 1.1 million customers were left without power, some for a week following the storm. The financial cost was staggering, with the estimated insured damage totalling C$875 million, making it the sixth-costliest natural disaster in Canada in terms of insurance claims,

The recovery process was equally monumental. Southern Ontario, in particular, was hit hard by the derecho. From Ottawa to Toronto, communities pulled together to repair and rebuild the damaged properties and restore a semblance of normalcy. One year on, the effects of the derecho can still be felt, both in the physical landscape and in the emotional toll taken on the inhabitants of the affected areas.

Ongoing Investigations

damage path from the northern tornadoes project

The Northern Tornadoes Project (NTP), an organization devoted to the study of tornadoes and severe weather in Canada, has been diligently investigating the May 2022 derecho. As per their latest findings, the derecho caused 12 fatalities and 12 injuries. Their research suggests that the number of victims may increase as the impacts of the storm continue to be investigated.

The May 2022 derecho also marked the first time that Environment Canada used a new broadcast-intrusive through the AlertReady system to deliver a severe thunderstorm warning due to wind gusts exceeding 130 km/h. This new warning capability was crucial in mitigating the number of casualties, which could have been even higher had the new system not been utilized.

Reflection and Lessons Learned

As we reflect on the one-year anniversary of this historic event, the combined efforts of communities, governmental organizations, and scientific bodies like the NTP have given us valuable insights and lessons. The 2022 derecho serves as a stark reminder of the power of nature and underscores the importance of weather forecasting, community preparedness, and ongoing scientific research in mitigating the impact of such severe weather events.

The recovery from the May 2022 derecho continues, as does the scientific investigation into this unique storm. The data gathered and the lessons learned from this event will undoubtedly contribute to our understanding of these severe weather phenomena and guide our preparations and responses for future events. The legacy of the May 2022 derecho will be one of resilience, community spirit, and scientific discovery.

A Stunning Display: Northern Lights Captured Across Ontario Thursday Night

BY: Brennen Perry

PUBLISHED: Friday, March 24, 2023

 

The sky lit up!! London, ON at approx. 11:00pm March 23, 2023

Posted by Chelle Catherine on Thursday, March 23, 2023

Northern Lights over London, Ontario on Thursday (Mar. 23) Night

Ontario residents were in for a treat Thursday night as the breathtaking northern lights danced across the sky, creating a mesmerizing display of colors. In this article, we'll delve into the science behind the northern lights, explain how they form in a way that's easily understood, and share tips on how you can catch a glimpse of this natural wonder yourself.

The Science Behind the Northern Lights

At their core, the northern lights, also known as auroras, are a result of interactions between the Earth's magnetic field and charged particles emitted by the sun. These particles, carried by solar winds, are drawn towards the poles by the Earth's magnetic field. When they collide with molecules in the Earth's atmosphere, they create the vibrant colors we see in the sky.

 

Northern Lights over Northwestern Ontario on Thursday (Mar. 23) Night

How to See the Northern Lights

While the northern lights can be elusive, there are a few factors that can increase your chances of witnessing this awe-inspiring phenomenon:

  1. Location: The closer you are to the Earth's magnetic poles, the better your chances of seeing the auroras. In Ontario, the best spots include areas with low light pollution, such as provincial parks and rural locations.

  2. Time of Year: Although the northern lights can be seen year-round, they're more active during the spring and autumn months due to increased solar activity.

  3. Weather Conditions: Clear, dark skies are essential for optimal viewing. Keep an eye on the weather forecast and plan your aurora hunting around cloudless nights.

  4. Aurora Forecast: Various organizations provide aurora forecasts, which can help you determine the likelihood of seeing the northern lights on a given night. These forecasts take into account solar activity and other factors that influence auroras.

Here are some popular resources for checking aurora forecasts:

  • Space Weather Prediction Center (SWPC) - NOAA: The SWPC, operated by the National Oceanic and Atmospheric Administration (NOAA), provides real-time monitoring and forecasting of solar and geophysical events, including aurora forecasts. Their 30-minute aurora forecast can be found at https://www.swpc.noaa.gov/products/aurora-30-minute-forecast.

  • Aurorasaurus: This citizen science project allows users to submit aurora sightings and view a real-time map of reported sightings. Aurorasaurus also provides alerts and an aurora forecast. Visit their website at http://aurorasaurus.org/.

  • SpaceWeatherLive: SpaceWeatherLive offers information on solar activity, including real-time data, alerts, and an aurora forecast. You can check out their aurora forecast at https://www.spaceweatherlive.com/en/auroral-activity/aurora-forecast.

  • University of Alaska Fairbanks Geophysical Institute: The Geophysical Institute at the University of Alaska Fairbanks provides an aurora forecast for both the northern and southern hemispheres. Visit their forecast page at https://www.gi.alaska.edu/monitors/aurora-forecast.

These resources can help you stay informed about the likelihood of seeing the northern lights on a given night, increasing your chances of witnessing this incredible natural phenomenon.

 

Northern Lights over Georgian Bay on Thursday (Mar. 23) Night

The northern lights are a stunning natural phenomenon that can be witnessed in Ontario, provided the conditions are right. By understanding the science behind these colorful displays and keeping the above tips in mind, you too may have the chance to experience the magic of the auroras.

Don't forget to capture the moment and share your photos with the Instant Weather community! You can share your northern lights photos with the community by joining our Ontatio Storm Reports group:

 
Ontario Storm Reports

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Fireballs Light Up Ontario Skies In Late November and Early December 2022

Photo from Ryan C.

Photo Submitted to AMS by Ryan C. of North Royalton US Dec 1 2022

Have you seen a fireball during recent weeks? There have been four notable ones that our community members and others have reported. The latest one was on December 1, 2022 at approximately 7:34pm EST. It was very bright and lasted about 10 seconds, which is longer than most fireballs. Perhaps you unknowingly captured it on a security camera.

One of our community members, Mike C. posted about it shortly after he saw it in our Ontario Storm Reports group. Mike asked if others had seen it and said that it “Appeared out of nowhere, from a bright orange/white, turned green/blue, and eventually disintegrated in the atmosphere.”

Jared Rackley of Pittsburgh caught the fireball on his Nest camera:

Over 1100 reports (to date) of this fireball have been submitted to the American Meteor Society from observers in Ontario and 14 states. Below is the heat map showing the location of the observers and the fireball’s path through the atmosphere in blue from the American Meteor Society event page. This is one of the most reported fireballs.

Heat map of observer locations and path of fireball on Dec 1 2022

The meteor was observed by three of the NASA-dedicated cameras in the area. From these observations they were able to determine the orbit and estimated weight of the object. It was an asteroidal fragment that had an approximate diameter of 12 cm and a weight of over a kilogram. It was first seen at an altitude of 84 miles above Morganville, Ohio. It traveled eastward at a speed of 55,500 km per hour for 182 km through the atmosphere before disintegrating 30 km above Ringgold, West Virginia. See the NASA Meteor Watch post.


The fireball that was observed on November 19 at 3:26am EST made news headlines. For only the sixth time our global asteroid warning system predicted the impact an asteroid:

Here is the heat map from AMS showing the 79 observer locations from Ontario and 6 states as well as the fireball’s path through the atmosphere:

Heat map of observers of the asteroid impact on Nov 19, 2022

Jeff Renaud’s article describes the international collaboration and meteorite hunt for the remnants of the small asteroid designated 2022 WJ1 including the predicted meteorite fall zone. Weather radar picked up the falling debris to help researchers pinpoint the potential locations of meteorites from the asteroid.

More information can also be found in NASA’s article and also on SpaceWeather.com’s archive for Nov 19th, 20th and 21st.


Later that same day (November 19th) at 10:13pm EST a fireball was reported in Ontario and 4 states by 158 observers to AMS.

Heat map showing the observers locations and fireball path on Nov 19 2022

Another fireball was seen on November 26 at 10:33pm EST. There were 159 reports from Ontario, Quebec and 9 states. Here is the heat map of observers and the very short path through the atmosphere:

Map showing observer locations and path of fireball on November 19, 2022

Early December 2020 also saw three fireballs light up the sky in Southern Ontario including an impressive daytime fireball.

Since the Geminid meteor shower is currently active it is possible that we could see more fireballs. This meteor shower will reach its peak on the night of December 13/14. There is also always the chance of sporadic meteors/fireballs which are not associated with a meteor shower.

You can report fireball observations (and also send in videos and pictures if you have them) to the American Meteor Society (AMS) or it’s partner the International Meteor Organization (IMO). The reports not only alert them to potentially scientifically significant events, they also add to the database of knowledge about meteors.

Fireball Lights Up the Sky on July 26 2022

Credit Image from SOMN

Did you see a fireball on July 26, 2022 at approximately 9:27pm? Perhaps you unknowingly captured it on a security camera. Team member Liam M. from Hamilton was lucky enough to spot it.

About 100 reports (to date) of this fireball have been submitted to American Meteor Society from observers in Ontario and the US. Below is the current map of the observers from the American Meteor Society event page.

The Southern Ontario Meteor Network (SOMN) observed the fireball on 8 all sky cameras. This enabled SOMN to analyze the data that they collected and they determined that the meteor became visible at 77 kilometer above King City and it was moving south at 79,200 km per hour. It decended at a sharp angle of 70 degrees before it disintegrated 34 kilometers above the intersection of the 400 and 427 in Toronto. They esimate that this asteroidal fragment weighed 11 kg and had a diamter of 20 cm. It was as bright as a waxing crescent Moon. See NASA Meteor Watch post.

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A dashcam video of the fireball was also posted on reddit.

You can report fireball observations (and also send in videos and pictures if you have them) to the American Meteor Society (AMS) or it’s partner the International Meteor Organization (IMO). The reports not only alert them to potentially scientifically significant events, they also add to the database of knowledge about meteors.

37 YEARS AGO, TODAY: 14 Tornadoes Touched Down, Including Two F4's & The Longest Track Tornado in Canadian History (Fri, May 31, 1985)

On Friday, May 31st, 1985, 14 tornadoes touched down across southern Ontario, killing 12 and injuring hundreds. Our thoughts and deepest condolences are with the families and friends of those who were lost, injured, and forever affected that day.

Our long time community member Jennifer D. came across 18 previously unseen photos from Barrie and shared her story online about what she experienced:

”May 31, 1985. We lived at the corner of Ardagh and Essa (currently where Big B Comics is). My mom and my aunt had my sister and I out doing groceries at the IGA at Essa and Tiffin. A two minute drive home, we pulled in the driveway and the sky went black. I was two and a half and I ran into the house to wake up my Dad who worked midnights and was sound asleep. My Mom grabbed Katie from the car who was only three months old and ran into the house. We went to the basement while the tornado roared over top of us-all of us except Dad. He slept through the whole thing!!! He could prob still sleep though one.

These are some pictures Mom and Dad took of the aftermath from the area. You can see Ardagh, Essa, Fairview and Innisfil as well as the racetrack. So crazy! I still have nightmares of tornadoes”

Thank you so much for sharing your experience and photos with us Jennifer and we’re so glad that you and your family stayed safe! Here are Jennifer’s photos below:

Below is an image where we combined the 14 official tornado tracks created by Dr. David Sills (Northern Tornadoes Project) with major city and town names for comparison:

Below is the actual radar image from 4:20 PM on May 31st, 1985. In this image, we compared the radar data to the official damage paths from Environment Canada. This wasn't a squall line folks, this was a 'multi-cell supercell' that ended up becoming the most prolific tornado producing storm in our province's history:

The image below is looking east in 3D at all 3 major tornado tracks at once with radar underneath. Three violent Tornadoes, two F4's and one F3 on the ground all at the same time, tracking east through our region at 105 km/h:

Here is several zoomed images of all 14 confirmed tornadoes with some major city names for comparison. Below is the Hopeness F2 Tornado, northwest of Owen Sound (3pm):

The birth of the storm that would eventually produce the Barrie F4 tornado after lifting and changing strength several times. This image includes the tracks of the F2 in Hopeville at 4:10pm, F3 in Corbetton at 4:17pm and F2 in Lisle at 4:50pm:

Below is the Grand Valley F4 (4:15pm) tornado track in red. Everyone talks about the Barrie tornado when referring to 1985 and for good reason; 8 people lost their lives and more than 100 were injured. But lets not forget the record-setting, long-track violent tornado that was the 'Grand Valley' F4 Tornado. It holds the record for the longest track tornado in Canadian history at 115km. And remember, these Tornadoes were racing forward at 105km/h so it was on the ground for more than an hour. It also tragically took the lives of 4 and injured 300.

While we’re on the topic of the Grand Valley F4, have you ever heard the tale about a house being carried by a tornado with someone inside?

Turns out, it wasn't a tale. As we learned in 2016 at the Show & Tell Simcoe County's "The Barrie Tornado Remembered" memorial, there was a family from Tottenham that told the most incredible story. Their mother, who has since passed on (may she rest in peace), was at home when the tornado hit. She remembered being carried inside of her home by the Grand Valley F4 tornado and she was eventually dropped in a field.

She remembers hitting the ground but ended being up in a coma for a month. Remarkably, when she came to, she remembered everything including being carried for quite a distance with the home intact.

We are so thankful she survived and thank you so much to the wonderful family who shared their mother's astonishing story with everyone.

For more of the story in her own words, here’s the video from the memorial: https://www.facebook.com/ShowandTellSimcoeCounty/videos/1334813139867683/

Below is the Alma F3 tornado track (4:15pm):

Below is the Wagner Lake F2 track (5:40pm):

Below is the tracks of the Reaboro F2 tornado (6:05pm) and the Lifford F2 tornado (6:20pm):

Below is the Rice Lake F2 tornado track (6:25pm):

Below is the Minto F2 tornado location (6:35pm):

And last but not least, below is the Grippen Lake F1 tornado location (8:10pm):

In 2016, Gary Crawford was kind enough to donate the original and only known photo of the Barrie F4 tornado to us for further investigation. Thank you, Gary!

Below is Gary’s photo. He took this photo on Hwy 11, right beside the Drive In Theatre in Guthrie (on the edge of Oro Station). We scanned it at the highest possible resolution and this is originally a 65mb image but compressed to be displayed on our website:

Below is a bit of photo editing we did to simulate what Gary Crawford would have experienced when taking the only known photo of the Barrie F4 tornado producing storm. Comparing the photo and damage path, it seems possible that the dark feature on the bottom left would have been the rain-wrapped F4 tornado. Thankfully, the three Drive-in Movie Theatre screens + the tree line provided the perfect reference points to line up the photo to Google Earth street view. Great job on the incredible photo, Gary!

Below, we compared the photo even further to Google Earth to determine exactly where the photo was taken and which way it was facing. Gary confirmed our estimation of where he was located when taking the photo:

Below, the birds eye view comparison actually reveals a direct correlation between our estimated track (based on multiple, detailed reports) and the camera angle. This helps demonstrate the possibility that the left edge of Gary's photo is actually the rain-wrapped tornado:

Below is an incredible image shared to us by Shirley C. from Hwy 400 in Barrie:

Below is the official Barrie Tornado Track overview that we added to Google Earth, looking east towards Barrie’s Kempenfelt Bay:

Below are the revised (and as accurate as possible) images showing the official tornado track. We spent a lot of time making sure this was bang on as our older images were a bit too far south on review.

As the tornado first enters Barrie in the Ardagh area, it grew to its peak width of 500m wide:

As the tornado moves past Ferndale drive, the path narrows to 300m wide:

As the tornado crosses Hwy 400 and hits the racetrack, it narrows again to 290m wide:

Moving towards Minet's Point, the tornado narrows one last time to 150m wide:

Finally, the tornado grows almost to its original maximum width of 480m as it demolishes the Marina and eventually moves out over Lake Simcoe. It was reported that 30 boats were ripped from their concrete moorings and thrown into Lake Simcoe, never to be recovered:

Our most heartfelt condolences go out to the families and friends of those who were tragically killed. And our thoughts remain with all those who were affected by the violent tornadoes and significant storms on that fateful day.

- Adam & the OTW / IWO team

P.S. The link below is a photo album we've put together of damage photos from May 31st, 1985. Please let us know if we've overlooked anything. Thank you:

https://www.facebook.com/media/set/?set=a.449268851830951.1073741829.444593798965123&type=3

Bus Cancellations & School Closures for Wednesday, March 30, 2022

Last Updated: 6:15am

**Please refresh your page every few minutes to receive the latest update**

Due to the current pandemic, some school boards have changed their policies on school bus cancellations. Some will continue the school day in a virtual format if buses are cancelled. Check with your local board for more details.


Cancellation & Closure Map (English Public and Catholic Schools)

Please note: School board boundaries are a rough estimate. Don’t use this map to determine what school board or weather zone you live in as accuracy isn’t guaranteed.

Green = No Cancellations

Orange = Widespread Route Cancellations (Click for more Details)

Red = Cancellations (Click for More Details)

Purple = School Closures (Click for More Details)

List of Cancellations & Closures

English Public and Catholic Schools

  • Avon MaitIand Public & Huron-Perth CathoIic: There are several closures/cancellations, please visit this link for more details: https://geoquery.hpsts.ca/Alerts

  • BIuewater Public & Bruce-Grey Catholic: There are several cancellations, please visit this link for more details: https://www.mybrucegreyschoolbus.ca/Cancellations.aspx

  • Dufferin-PeeI Catholic: Buses to St Andrew, St Peter, St Benedict and RF Hall are cancelled today. All DPCDSB schools remain open and ALL other buses are running.

  • Near North Public & Nipissing-Parry Sound CathoIic: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • HWY 11 North- North of North Bay

    • Mattawa

    • Callander, Bonfield, and East Ferris

    • North Bay

    • Trout Lake/Four Mile Lake Rd.

    • Redbridge /Thorne

    • East Parry Sound North - North of and including Hwy 522 - Port Loring/Restoule - Nipissing/Commanda - Powassan/Trout Creek

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School

  • Rainbow Public & Sudbury Catholic: TRANSPORTATION IS CANCELLED ON MANITOULIN ISLAND- Please note that due to the freezing rain expected this morning, all school-related transportation services for schools operating on Manitoulin Island are cancelled today buses are running in Sudbury, Espanola & Massey districts.

  • Renfrew County Public & Renfrew County Catholic: Currently ONLY Zone 4 Madawaska area transportation services are cancelled all other areas are open and operating. All schools are OPEN!

  • Simcoe County Public & Simcoe Catholic: All vehicles in Simcoe County are cancelled today. Schools remain open for student learning.

  • Tri-Board: Due to forecasted freezing rain today, buses in North Hastings Zone are cancelled.

  • Trillium LakeIands: Due to Environment Canada’s warning for freezing rain with possible ice accretion during the day, all buses to schools in the City of Kawartha Lakes, Haliburton, and Muskoka for TLDSB have been cancelled for Wednesday, March 30 and schools remain open.

  • Upper Grand Public & Wellington CathoIic: All school taxis and buses in Centre Wellington, The Town of Erin and the Town of Rockwood (Division 2), North Wellington (Division 3), Dufferin County (Division 4) will not be operating today.


French Schools

  • Conseil scolaire public du Grand Nord de l’Ontario (CSPGNO): TRANSPORTATION IS CANCELLED ON MANITOULIN ISLAND- Please note that due to the freezing rain expected this morning, all school-related transportation services for schools operating on Manitoulin Island are cancelled today buses are running in Sudbury, Espanola & Massey districts.

  • Conseil scolaire Viamonde & Conseil scolaire catholique Providence:

    • Region of Simcoe: Transportation is cancelled today.

  • Le Conseil scolaire public du Nord-Est de l’Ontario (CSPNE) & Conseil scolaire catholique Franco-Nord: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • HWY 11 North- North of North Bay

    • Mattawa

    • Callander, Bonfield, and East Ferris

    • North Bay

    • Trout Lake/Four Mile Lake Rd.

    • Redbridge /Thorne

    • East Parry Sound North - North of and including Hwy 522 - Port Loring/Restoule - Nipissing/Commanda - Powassan/Trout Creek

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School


Bus Cancellations & School Closures for Wednesday, March 23, 2022

Last Updated: 6:25am

**Please refresh your page every few minutes to receive the latest update**

Due to the current pandemic, some school boards have changed their policies on school bus cancellations. Some will continue the school day in a virtual format if buses are cancelled. Check with your local board for more details.


Cancellation & Closure Map (English Public and Catholic Schools)

Please note: School board boundaries are a rough estimate. Don’t use this map to determine what school board or weather zone you live in as accuracy isn’t guaranteed.

Green = No Cancellations

Orange = Widespread Route Cancellations (Click for more Details)

Red = Cancellations (Click for More Details)

Purple = School Closures (Click for More Details)

List of Cancellations & Closures

English Public and Catholic Schools

  • Avon MaitIand Public & Huron-Perth CathoIic: There are several closures/cancellations, please visit this link for more details: https://geoquery.hpsts.ca/Alerts

  • BIuewater Public & Bruce-Grey Catholic: There are several cancellations, please visit this link for more details: https://www.mybrucegreyschoolbus.ca/Cancellations.aspx

  • Dufferin-PeeI Catholic: Buses to St Andrew, St Benedict, St Peter and RF Hall and buses in STOPR ZONE 3 are cancelled today. ALL DPCDSB SCHOOLS REMAIN OPEN to students and staff.

  • HaIton Public & Halton Catholic: All Halton District (HDSB) and Halton Catholic District (HCDSB) schools are OPEN but transportation services in Zone 3 are cancelled for the day.

  • Near North Public & Nipissing-Parry Sound CathoIic: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • HWY 11 North- North of North Bay

    • Mattawa

    • Callander, Bonfield, and East Ferris

    • North Bay

    • Trout Lake/Four Mile Lake Rd.

    • Redbridge /Thorne

    • East Parry Sound North - North of and including Hwy 522 - Port Loring/Restoule - Nipissing/Commanda - Powassan/Trout Creek

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School

  • PeeI Public: All Transportation in Zone 3 is cancelled today. School vehicles will not service schools within Zone 3.

  • Rainbow Public & Sudbury Catholic: SCHOOL PURPOSE TRANSPORTATION IS CANCELLED ON MANITOULIN ISLAND-Please note that due to the freezing rain warnings, all school-related transportation services for schools operating on Manitoulin Island are cancelled today buses are running in Sudbury, Espanola & Massey districts.

  • Simcoe County Public & Simcoe Catholic: All vehicles in Simcoe County are cancelled today. Schools remain open for student learning.

  • Trillium LakeIands: Due to Environment Canada’s forecast for significant freezing rain and icy road conditions throughout the school day, all buses to schools in the City of Kawartha Lakes, Haliburton, and Muskoka for TLDSB have been cancelled for Wednesday, March 23 and schools remain open.

  • Upper Grand Public & Wellington CathoIic: Due to inclement weather (freezing rain), all UGDSB and Wellington Catholic District School Board schools and offices are closed today to staff and students. Students are to shift to remote learning, where possible. Staff should not report to work in person, and should shift to remote working where possible. All buses and taxis are cancelled.

  • WaterIoo Public & WaterIoo Catholic: Weather Impacted Learning Day, All Buses Cancelled, All Schools Closed Due to the current weather conditions ALL SCHOOL BUSES, TAXIS AND SPECIAL EDUCATION ROUTES operated by the Waterloo Catholic District School Board and Waterloo Region District School Board are cancelled. All WCDSB and WRDSB schools and sites are CLOSED and it will be a Remote Learning Day.

  • York Public & York Catholic: Due to inclement weather, transportation services are cancelled and all YRDSB schools and board locations are closed to students today, Wednesday, March 23, 2022. All YCDSB schools are open.


French Schools

  • Conseil scolaire public du Grand Nord de l’Ontario (CSPGNO): SCHOOL PURPOSE TRANSPORTATION IS CANCELLED ON MANITOULIN ISLAND-Please note that due to the freezing rain warnings, all school-related transportation services for schools operating on Manitoulin Island are cancelled today buses are running in Sudbury, Espanola & Massey districts.

  • Conseil scolaire Viamonde & Conseil scolaire catholique Providence:

    • Region of Peel (zone 3): Transportation is cancelled today north of Old School Rd.

    • Region of Simcoe: Transportation is cancelled today.

    • Region of York: Transportation is cancelled today.

    • Region of Halton (zone 3, north of Steeles): Transportation is cancelled for routes north of Steeles.

    • Region of Kitchener-Waterloo: Transportation is cancelled today.

  • Le Conseil scolaire public du Nord-Est de l’Ontario (CSPNE) & Conseil scolaire catholique Franco-Nord: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • HWY 11 North- North of North Bay

    • Mattawa

    • Callander, Bonfield, and East Ferris

    • North Bay

    • Trout Lake/Four Mile Lake Rd.

    • Redbridge /Thorne

    • East Parry Sound North - North of and including Hwy 522 - Port Loring/Restoule - Nipissing/Commanda - Powassan/Trout Creek

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School


Bus Cancellations & School Closures for Monday, March 7, 2022

Last Updated: 6:30am

**Please refresh your page every few minutes to receive the latest update**

Due to the current pandemic, some school boards have changed their policies on school bus cancellations. Some will continue the school day in a virtual format if buses are cancelled. Check with your local board for more details.


Cancellation & Closure Map (English Public and Catholic Schools)

Please note: School board boundaries are a rough estimate. Don’t use this map to determine what school board or weather zone you live in as accuracy isn’t guaranteed.

Green = No Cancellations

Orange = Widespread Route Cancellations (Click for more Details)

Red = Cancellations (Click for More Details)

Purple = School Closures (Click for More Details)

List of Cancellations & Closures

English Public and Catholic Schools

  • Dufferin-PeeI Catholic: Buses to St. Andrew, St. Peter, St. Benedict and Robert F. Hall are cancelled today. These schools are closed to students and staff and will switch to remote learning for the day.

  • Near North Public & Nipissing-Parry Sound CathoIic: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School

  • Renfrew County Public & Renfrew County Catholic: All transportation services are CANCELLED, for Monday, March 7, 2022, due to Icy Road Conditions. All schools are OPEN.

  • Tri-Board: Due to forecasted inclement weather all school bus and taxi transportation is cancelled in the Tri-Board Student Transportation Services jurisdiction. The schools will remain open however any students driven to school by parents or guardians will need to be picked up at the end of the day. This decision affects students with the:

    • Algonquin & Lakeshore Catholic District School Board

    • Hastings & Prince Edward District School Board

    • Limestone District School Board

    • Whitney PS

  • Trillium LakeIands: All school vehicles to schools in the City of Kawartha Lakes, Haliburton and Muskoka for Trillium Lakelands District School Board have been cancelled. Schools within the affected area remain open for learning.

    School vehicles to St. Mary's, St. Dominic, St. Luke's and Saint John Paul II Elementary schools and St. Thomas Aquinas Secondary School in the City of Kawartha Lakes have been cancelled.

    All school vehicles to St. Dominic Catholic Secondary School, Monsignor Michael O'Leary and Saint Mary Catholic Elementary Schools have been cancelled.

  • Upper Grand Public & Wellington CathoIic: All School taxis and buses cancelled in Zone 1 (Guelph), Zone 2 (Centre Wellington), Zone 3 (North Wellington), and Zone 4 (Including RF Hall) today. Due to inclement weather, all UGDSB and Wellington Catholic District School Board schools and offices are closed today to staff and students.


French Schools

  • Conseil des écoles publiques de l’Est de l’Ontario (CEPEO): School transportation is cacelled for schools in Trenton, Kingston, Prembroke and Arnprior due to poor road and weather conditions. Schools are open.

  • Conseil scolaire de district catholique Centre-Sud: There are cancellations and/or school closures. Visit this link for a complete list: https://www.cscmonavenir.ca/ecole/

  • Conseil des écoles catholiques de langue française du Centre-Est: School transportation is canceled today for the following areas, schools remain open.:

    • Arnprior

    • County of Renfrew (schools in Pembroke)

    • Kingston

    • Trenton

  • Le Conseil scolaire public du Nord-Est de l’Ontario (CSPNE) & Conseil scolaire catholique Franco-Nord: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School


Bus Cancellations & School Closures for Friday, February 25, 2022

Last Updated: 6:20am

**Please refresh your page every few minutes to receive the latest update**

Due to the current pandemic, some school boards have changed their policies on school bus cancellations. Some will continue the school day in a virtual format if buses are cancelled. Check with your local board for more details.


Cancellation & Closure Map (English Public and Catholic Schools)

Please note: School board boundaries are a rough estimate. Don’t use this map to determine what school board or weather zone you live in as accuracy isn’t guaranteed.

Green = No Cancellations

Orange = Widespread Route Cancellations (Click for more Details)

Red = Cancellations (Click for More Details)

Purple = School Closures (Click for More Details)

List of Cancellations & Closures

English Public and Catholic Schools

  • HamiIton Wentworth Public: Due to inclement weather and as a result of cancelled transportation, all remote, eLearning, child care, and in-person programming is cancelled today, Feb 25. All HWDSB schools and admin buildings are closed.

  • HamiIton Wentworth Catholic: School transportation is cancelled. All schools, child care centres, adult education programs and administrative buildings of the Hamilton-Wentworth Catholic District School Board are OPEN today, Friday, February 25, 2022.

  • Renfrew County Public & Renfrew County Catholic: Currently ONLY Zone 4 Madawaska area transportation services are cancelled all other area are open and operating. All schools are OPEN!

  • Tri-Board: Due to poor road conditions and continued inclement weather all school bus and taxi transportation is cancelled in the Tri-Board Student Transportation Services jurisdiction. The schools will remain open however any students driven to school by parents or guardians will need to be picked up at the end of the day. This decision affects students with the:

    • Algonquin & Lakeshore Catholic District School Board

    • Hastings & Prince Edward District School Board

    • Limestone District School Board

    • Whitney PS


French Schools

  • Conseil des écoles publiques de l’Est de l’Ontario (CEPEO): School transportation is cancelled for all schools except Trenton and Kingston. Schools are open.

  • Conseil des écoles catholiques de langue française du Centre-Est: School transportation is canceled today and schools remain open. for the following areas:

    • Kingston

    • Trenton

  • Conseil scolaire Viamonde & Conseil scolaire catholique Providence:

    • Region of Hamilton: Transportation is cancelled today.


Bus Cancellations & School Closures for Wednesday, February 23, 2022

Last Updated: 6:35am

**Please refresh your page every few minutes to receive the latest update**

Due to the current pandemic, some school boards have changed their policies on school bus cancellations. Some will continue the school day in a virtual format if buses are cancelled. Check with your local board for more details.


Cancellation & Closure Map (English Public and Catholic Schools)

Please note: School board boundaries are a rough estimate. Don’t use this map to determine what school board or weather zone you live in as accuracy isn’t guaranteed.

Green = No Cancellations

Orange = Widespread Route Cancellations (Click for more Details)

Red = Regional Cancellation (Click for More Details)

Purple = School Closures (Click for More Details)

List of Cancellations & Closures

English Public and Catholic Schools

  • BIuewater Public & Bruce-Grey Catholic: There are several regional cancellations, please visit this link for more details: https://www.mybrucegreyschoolbus.ca/Cancellations.aspx

    Near North Public & Nipissing-Parry Sound CathoIic: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • Mattawa

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School

  • Ottawa CarIeton Public & Ottawa Catholic: Due to inclement weather all school buses & school vans are cancelled for today Wednesday, February 23, 2022. Schools are open, however, parents/guardians are responsible for transportation of students attending open schools at the end of the day.

  • Rainbow Public & Sudbury Catholic: Due to the poor road conditions and in the interest of safety, all school-related transportation services in the districts of SUDBURY, ESPANOLA AND MASSEY are cancelled today. BUSSES ARE RUNNING ON MANITOULIN ISLAND since Road Crews are able to clear the roads before buses roll!

  • Renfrew County Public & Renfrew County Catholic: All transportation services are CANCELLED, for Wednesday, February 23, 2022, due to Icy Road Conditions. All schools are OPEN.

  • Simcoe County Public & Simcoe Catholic: School vehicles in the North and West weather zones are cancelled today. Schools remain open for student learning.

  • Thames Valley Public & London CathoIic: School purpose vehicles in ELGIN County will be CANCELLED for the day.

  • Tri-Board: There are many individual route cancellations due to road conditions in the northern regions serviced by Tri-Board. Visit https://triboard.mybusplanner.ca/Alerts for the latest list of cancelled routes.

  • Trillium LakeIands: Due to icy road conditions across the area, all buses to schools in the City of Kawartha Lakes, Haliburton, and Muskoka for TLDSB have been cancelled for Wednesday, February 23. Schools are closed to students and remote learning will be offered to all students within the region.

  • Upper Canada Public & Eastern Ontario CathoIic: All transportation is cancelled due to road conditions.


French Schools

  • Conseil des écoles publiques de l’Est de l’Ontario (CEPEO): School transportation is cancelled for all schools except Trenton and Kingston. Schools are open.

  • Conseil scolaire de district catholique Centre-Sud: There are cancellations and/or school closures. Visit this link for a complete list: https://www.cscmonavenir.ca/ecole/

  • Conseil scolaire de district catholique de l'Est Ontarien: School transportation CANCELLED today (all regions). Schools remain open.

  • Conseil des écoles catholiques de langue française du Centre-Est: School transportation is canceled today and schools remain open for the following areas:

    • Arnprior

    • Brockville

    • Carleton Place, Almonte

    • County of Renfrew (schools in Pembroke)

    • United Counties of Prescott-Russell

    • Marionville

    • Merrickville and Kemptville

    • Ottawa

  • Conseil scolaire public du Grand Nord de l’Ontario (CSPGNO): Due to the poor road conditions and in the interest of safety, all school-related transportation services in the districts of SUDBURY, ESPANOLA AND MASSEY are cancelled today. BUSSES ARE RUNNING ON MANITOULIN ISLAND since Road Crews are able to clear the roads before buses roll!

  • Conseil scolaire Viamonde & Conseil scolaire catholique Providence:

    • Region of Bruce-Grey (rural routes): Transportation is cancelled today. Only routes in the city of Owen Sound are running.

    • Region of Simcoe (west zone): Transportation is cancelled today. Schools are closed to students.

    • Region of Simcoe (north zone): Transportation is cancelled today. Schools are closed to students.

    • Region of Middlesex (Elgin County - Aylmer, St.Thomas and West Lorne zones): Transportation is cancelled today.

  • Le Conseil scolaire public du Nord-Est de l’Ontario (CSPNE) & Conseil scolaire catholique Franco-Nord: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • Mattawa

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School


Bus Cancellations & School Closures for Tuesday, February 22, 2022

Last Updated: 6:30am

**Please refresh your page every few minutes to receive the latest update**

Due to the current pandemic, some school boards have changed their policies on school bus cancellations. Some will continue the school day in a virtual format if buses are cancelled. Check with your local board for more details.


Cancellation & Closure Map (English Public and Catholic Schools)

Please note: School board boundaries are a rough estimate. Don’t use this map to determine what school board or weather zone you live in as accuracy isn’t guaranteed.

Green = No Cancellations

Red = Cancellations (Click for More Details)

Purple = School Closures (Click for More Details)

List of Cancellations & Closures

English Public and Catholic Schools

  • BIuewater Public & Bruce-Grey Catholic: LIONS HEAD & TOBERMORY - ALL buses are CANCELLED into Lion's Head & Tobermory, SCHOOLS are OPEN.

  • Near North Public & Nipissing-Parry Sound CathoIic: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • HWY 11 North- North of North Bay

    • Mattawa

    • Callander, Bonfield, and East Ferris

    • North Bay

    • Trout Lake/Four Mile Lake Rd.

    • Redbridge /Thorne

    • East Parry Sound North - North of and including Hwy 522 - Port Loring/Restoule - Nipissing/Commanda - Powassan/Trout Creek

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School

  • Ottawa CarIeton Public & Ottawa Catholic: Due to inclement weather all school buses & school vans are cancelled for today Tuesday, February 22, 2022. Schools are open, however, parents/guardians are responsible for transportation of students attending open schools at the end of the day.

  • Rainbow Public & Sudbury Catholic: Due to the hazardous winter conditions and in the interest of safety, all school-related transportation services in the districts of SUDBURY, ESPANOLA, MASSEY AND MANITOULIN, are cancelled today. All schools will remain open, however, NO transportation will be provided.

  • Renfrew County Public & Renfrew County Catholic: All transportation services are CANCELLED, for Tuesday February 22, 2022 due to Freezing Rain Warning. All schools are OPEN.

  • Simcoe County Public & Simcoe Catholic: School vehicles in the North weather zone are cancelled today. Schools remain open for student learning.

  • Tri-Board: Buses are canceled in North Hastings zone (Coe Hill and north) due to mid day forecast for freezing rain.

  • Trillium LakeIands: Due to the forecast for freezing rain, and deteriorating road conditions throughout the day, all buses to schools in the City of Kawartha Lakes, Haliburton, and Muskoka for TLDSB have been cancelled for Tuesday, February 22. Schools are closed to students and remote learning will be offered to all students within the region.

  • Upper Canada Public & Eastern Ontario CathoIic: All transportation is cancelled due to forecasted weather and road conditions related to the afternoon commute. 


French Schools

  • Conseil des écoles publiques de l’Est de l’Ontario (CEPEO): School transportation is cancelled for all schools except Trenton and Kingston. Schools are open.

  • Conseil scolaire de district catholique de l'Est Ontarien: School transportation CANCELED today (all regions). Schools remain open.

  • Conseil des écoles catholiques de langue française du Centre-Est: School transportation is canceled today AND schools remain open for the following areas:

    • Arnprior

    • Brockville

    • Carleton Place, Almonte

    • County of Renfrew (schools in Pembroke)

    • United Counties of Prescott-Russell

    • Marionville

    • Merrickville and Kemptville

    • Ottawa

  • Conseil scolaire public du Grand Nord de l’Ontario (CSPGNO): Due to the hazardous winter conditions and in the interest of safety, all school-related transportation services in the districts of SUDBURY, ESPANOLA, MASSEY AND MANITOULIN, are cancelled today. All schools will remain open, however, NO transportation will be provided.

  • Le Conseil scolaire public du Nord-Est de l’Ontario (CSPNE) & Conseil scolaire catholique Franco-Nord: Buses are cancelled in the following regions:

    • Britt / Nobel

    • McDougall/Whitestone/Ahmic Harbour

    • Town of Parry Sound

    • Mactier, Humphrey, Rosseau

    • West Nipissing - including - River Valley/Field - Verner/Lavigne - Sturgeon Falls/Jocko Point

    • HWY 11 North- North of North Bay

    • Mattawa

    • Callander, Bonfield, and East Ferris

    • North Bay

    • Trout Lake/Four Mile Lake Rd.

    • Redbridge /Thorne

    • East Parry Sound North - North of and including Hwy 522 - Port Loring/Restoule - Nipissing/Commanda - Powassan/Trout Creek

    • East Parry Sound South - South of Hwy 522 - South River/Sundridge - Burk’s Falls/Magnetawan - Katrine/Emsdale/Kearney/Sprucedale/Novar - Affects bussing for all Almaguin Highlands Secondary School


Southern Ontario: Storm Summary for Thursday, February 17 to Friday, February 18, 2022

A snowstorm brought accumulating snowfall to much of Southern Ontario between Thursday and Friday. As part of Instant Weather’s commitment to accountability and transparency, we collected reports from our community after the storm. Thank you to everyone who submitted their report to us!

We also utilized CoCoRaHS which contains an extensive database of reported snowfall totals from all over Southern Ontario. Between the two data sources, we were able to obtain snowfall reports from many locations across the region to compare to our custom forecast. In the case that we received multiple snowfall reports for a single location, these totals were averaged together to calculate an aggregate total for that location.

With this storm, our forecast (LINK) had the potential for widespread snowfall accumulation ranging from 15-30cm with a lower amount towards the Niagara region and Central Ontario. Learning from the previous storm earlier this month, we made changes to our approach to forecasting storms like this one where temperatures are closer to the freezing mark. This tried to account for the tendency for these events to underperform the snowfall totals suggested by models due to mixing and lower snow ratios. While model data at the time showed widespread 20-30cm and even some pockets of 35cm, we went with 15-30cm and locally 30+cm. This accounted for the mixing potential while not ignoring what models were showing in case it was correct (as what happened with the January blizzard).

Based on the data, it looks like the underperformance did occur as general totals were closer to the 10-20cm range with localized pockets of 20-25cm. As a result, many areas received snowfall totals that were towards the lower end of our forecast range, but most areas were still within our range. The main area of inaccuracy in our forecast was through Deep Southwestern Ontario including Windsor and London since they saw a more prolonged period of freezing rain than expected. So Windsor for example didn’t even reach the 10cm mark in most reports that we received.

We correctly forecasted around 72% of locations while no locations reached our ‘local’ range since this event didn’t overperform. Another 24% of locations were within 5cm of our forecast range mainly in Southwestern Ontario and the GTA. Overall, the error in our forecast was 1.1cm. It does seem like our approach to changing how we forecast events with mixing has worked as our accuracy rate is above 70% despite the underperformance.


Aggregate Snowfall Reports

CREDIT: Some of the data was obtained from CoCoRaHS

City/Town Average Snowfall (CM)
Amherstburg 10.20
Aurora 24.40
Barrie 19.00
Bethany 18.00
Blenheim 4.40
Bognor 17.50
Bracebridge 9.00
Bradford 17.00
Brantford 10.00
Brighton 7.60
Brussels 11.50
Burlington 8.90
Caledonia 6.75
Cambridge 11.50
Carleton Place 16.50
Cayuga 6.40
Consecon 6.60
Creemore 14.00
Dresden 12.40
Dunrobin 12.40
Durham 11.95
Flesherton 18.50
Goderich 8.90
Guelph 14.00
Hagersville 4.10
Harrow 13.00
Holland Centre 20.00
Kanata 19.00
Kimberley 14.00
King City 16.00
Kingston 8.40
Kitchener 16.00
Komoka 15.00
Leamington 6.10
Lindsay 18.00
London 15.60
Lucknow 6.40
Merrickville 11.40
Metcalfe 23.90
Milverton 23.90
Minesing 12.00
Mississauga 10.90
Mount Albert 20.00
North York 10.90
Norwich 10.20
Oak Ridges 23.00
Oro 10.50
Owen Sound 11.45
Pakenham 25.40
Peterborough 15.00
Phelpston 12.70
Picton 8.90
Quinte West 10.75
Richmond Hill 18.00
Rocklyn 17.50
Sarnia 14.00
Scarborough 14.00
Stittsville 20.10
Strathroy 16.15
Tecumseh 5.10
Toronto 13.70
Vankleek Hill 20.10
Waterloo 16.00
Wheatley 9.90
Windsor 10.07
Woodstock 11.90

Bus Cancellations & School Closures for Friday, February 18, 2022

Last Updated: 6:30am

**Please refresh your page every few minutes to receive the latest update**

Due to the current pandemic, some school boards have changed their policies on school bus cancellations. Some will continue the school day in a virtual format if buses are cancelled. Check with your local board for more details.


Cancellation & Closure Map (English Public and Catholic Schools)

Please note: School board boundaries are a rough estimate. Don’t use this map to determine what school board or weather zone you live in as accuracy isn’t guaranteed.

Green = No Cancellations

Red = Cancellations (Click for More Details)

Purple = School Closures (Click for More Details)

List of Cancellations & Closures

English Public and Catholic Schools

  • Avon MaitIand Public & Huron-Perth CathoIic: There are several closures/cancellations, please visit this link for more details: https://geoquery.hpsts.ca/Alerts

  • BIuewater Public & Bruce-Grey Catholic: There are several cancellations, please visit this link for more details: https://www.mybrucegreyschoolbus.ca/Cancellations.aspx

  • Dufferin-PeeI Catholic: All DPCDSB buses are cancelled today. Secondary schools will switch to in-person learning.

  • Durham Public & Durham Catholic: DSTS has cancelled all transportation for today due to inclement weather.

  • Grand Erie Public & Brant HaIdimand Norfolk Catholic: Unsafe road conditions. All buses cancelled today. Schools closed, but asynchronous learning will be available.

  • Greater Essex Public & Windsor Essex CathoIic:

    • Area A - City of Windsor - All Board Provided Transportation is Cancelled for the day.

    • Area B - County of Essex - All Board Provided Transportation is Cancelled for the day.

  • HaIton Public & Halton Catholic: All transportation services are cancelled in Zone 1, Zone 2 and Zone 3 and schools will be closed for in-person learning today Friday February 18, 2022.

  • HamiIton Wentworth Public: For Friday, February 18, all schools, child care, and admin buildings are closed. Transportation is cancelled and all remote, eLearning, and in-person learning is cancelled. Severe weather procedures are in effect.

  • HamiIton Wentworth Catholic: All schools, child care programs and adult education centres of the Hamilton-Wentworth Catholic District School are CLOSED today, Friday, February 18, 2022, due to inclement weather. The elementary and secondary virtual school will operate as usual. In-person students – elementary and secondary – will have the opportunity to participate in asynchronous learning.

  • Kawartha Pine Ridge Public & Peterborough Victoria Northumberland Clarington Catholic: Please be advised that, due to inclement weather, busing and school transportation is cancelled today for all of the STSCO jurisdiction, including Peterborough, Northumberland, Campbellford, including Murray Centennial and Stockdale PS, and Clarington areas.
    STSCO busing is cancelled for those KPR, PVNC and Mon. Jamot schools served by STSCO.

  • Lambton Kent Public & St. CIair Catholic: Buses in ALL Zones Cancelled Today Due to Road Conditions. Schools Remain Open.

  • Ottawa CarIeton Public & Ottawa Catholic: Due to inclement weather all school buses & school vans are cancelled for today Friday February 18, 2022 . OCSB Schools are open, however parents/guardians are responsible for transportation of students attending open schools at the end of the day. OCDSB schools remain closed to students for a planned PA day.

  • PeeI Public: Due to inclement weather conditions, no PDSB buses will be running to PDSB schools today.
    In-person learners will switch to asynchronous learning for the day

  • Renfrew County Public & Renfrew County Catholic: all transportation services are CANCELLED, for Friday February 18, 2022 due to Winter Snow Fall Warning. All schools are OPEN.

  • Simcoe County Public & Simcoe Catholic: All vehicles in Simcoe County are cancelled today. Schools remain open for student learning.

  • Thames Valley Public & London CathoIic: School purpose vehicles are CANCELLED for the day in Middlesex, Oxford, Elgin Counties, and Red Zone. Bus routes in the City of London will start on schedule.

  • Tri-Board: Due to poor road conditions and continued inclement weather all school bus and taxi transportation is cancelled in the Tri-Board Student Transportation Services jurisdiction. The schools will remain open however any students driven to school by parents or guardians will need to be picked up at the end of the day.

  • Trillium LakeIands: Due to inclement weather and poor road conditions, all buses to schools in the City of Kawartha Lakes, Haliburton, and Muskoka for TLDSB have been cancelled for Friday, February 18. Schools are closed to students and remote learning will be offered to all students within the region.

  • Upper Canada Public & Eastern Ontario CathoIic: All transportation is cancelled due to weather conditions.

  • Upper Grand Public & Wellington CathoIic: Due to inclement weather, all UGDSB and WCDSB schools and offices are closed today to staff and students. Students are to shift to remote learning, where possible. Staff should not report to work in person, and should shift to remote working where possible. All buses and taxis are cancelled to Upper Grand schools.

  • WaterIoo Public & WaterIoo Catholic: Weather Impacted Learning Day, All Buses Cancelled, All Schools Closed Due to the current weather conditions ALL SCHOOL BUSES, TAXIS AND SPECIAL EDUCATION ROUTES operated by the Waterloo Catholic District School Board and Waterloo Region District School Board are cancelled. All WCDSB and WRDSB schools and sites are CLOSED and it will be a Remote Learning Day.


French Schools

  • Conseil des écoles publiques de l’Est de l’Ontario (CEPEO): School transportation is cancelled in all regions today due to poor road conditions. Schools remain open.

  • Conseil scolaire de district catholique Centre-Sud: There are cancellations and/or school closures. Visit this link for a complete list: https://www.cscmonavenir.ca/ecole/

  • Conseil scolaire de district catholique de l'Est Ontarien: School transportation CANCELED today (all regions). Schools remain open.

  • Conseil scolaire catholique Providenc:

    • Area A - City of Windsor - All Board Provided Transportation is Cancelled for the day.

    • Area B - County of Essex - All Board Provided Transportation is Cancelled for the day.

    • Region of Oxford: Transportation is cancelled today. CSC Providence schools are open.

    • Region of Chatham-Kent: Transportation is cancelled today. CSC Providence schools are open.

    • Region of Lambton: Transportation is cancelled today. CS Viamonde schools are closed to students, CSC Providence schools are open.

  • Conseil des écoles catholiques de langue française du Centre-Est: School transportation is canceled today (schools remain open) for the following areas:

    • Arnprior

    • Brockville

    • Carleton Place, Almonte

    • County of Renfrew (schools in Pembroke)

    • Counties of Prescott-Russell

    • Kingston

    • Marionville

    • Merrickville and Kemptville

    • Ottawa

    • Trenton

  • Conseil scolaire Viamonde:

    • Region of Middlesex (rural routes): Transportation is cancelled today. Routes in the city of London are running.

    • Region of Oxford: Transportation is cancelled today. CSC Providence schools are open.

    • Region of Toronto: Transportation is cancelled today. Schools are closed to students.

    • Region of Durham: Transportation is cancelled today. Schools are closed to students.

    • Region of Hamilton: Transportation is cancelled today. Schools are closed to students.

    • Region of Peel: Transportation is cancelled today. Schools are closed to students.

    • Region of Chatham-Kent: Transportation is cancelled today. CSC Providence schools are open.

    • Region of Lambton: Transportation is cancelled today. CS Viamonde schools are closed to students, CSC Providence schools are open.

    • Region of Kitchener-Waterloo: Transportation is cancelled today. Schools are closed to students.

    • Region of Simcoe: Transportation is cancelled today. Schools are closed to students.