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Power Outage Outlook

Valid: Monday, December 30, 2019

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Forecast Discussion

Issued: Sunday, December 29, 2019 - 8:15PM

Forecaster: Brennen Perry

Heavy freezing rain is expected to continue overnight and into Monday afternoon causing significant ice accretion on trees and power lines. This amount of freezing rain would normally cause some power outages on its own with the ice accretion weighing down tree branches and cause them to fall onto power lines. When combined with 60-80km/h (locally 80-100km/h) wind gusts that are expected to develop early Monday morning, this will increase the power outage potential substantially. Widespread outages are expected in the Smiths Falls, Bancroft and Haliburton area where the most ice accretion is expected along with Northeastern Ontario including Elliot Lake, Espanola and Sudbury.

Other areas through Central and Eastern Ontario are likely to see some power outages stretching from eastern sections of Muskoka towards Bancroft. The higher elevations of the Dundalk Highlands including Orangeville and Shelburne is also likely to see power outages from the wind and ice combination. Elsewhere, power outages are possible for the rest of Eastern and Central Ontario including the Ottawa Valley and areas around Lake Simcoe. Strong wind gusts over 90km/h are possible around Lake Huron which could also lead to some isolated power outages. Conditions will improve later during the day on Monday although the earlier power outages could last days, especially in more rural regions where the power lines are surrounded by trees and harder for power crews to reach.

Disclaimer: This forecast is our best guess on the likelihood of weather-related power outages. It should only be used as a rough idea of what to expect since local factors that are hard to account for can affect the actual outcome.

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