Severe Storms Possible Through Eastern Ontario Wednesday Afternoon/Evening With the Potential for an Isolated Tornado
/Valid: Wednesday, September 2, 2020
NOTE: The tornado risk zone outlines the region with the highest probability of tornadoes, but tornadoes may occur outside of the zone.
Timing |
Southwestern: 2 - 4PM
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Not sure what region you are in? Click here for a map showing the regions across Southern Ontario. Northeastern Ontario is north of North Bay (not shown on map).
Thunderstorm Threat Breakdown
Thunderstorm Confidence |
High (75%) |
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Severe Confidence |
Low (25%) |
Tornadoes |
Isolated |
Max Wind Gusts |
100+ kmh | 62+ mph |
Max Hail Size |
Quarter |
Max 24-hr Rainfall |
~50 mm | ~2" |
Forecast Discussion
Heavy showers and non-severe thunderstorms have developed east of Georgian Bay earlier today and are tracking to the east towards Eastern Ontario along the Quebec border. The environment throughout Eastern Ontario is capable for these storms to become severe during the late afternoon into early evening hours. The main threat with these storms will be strong wind gusts potentially in excess of 100km/h and small hail. There is also the threat of an isolated tornado along the Quebec border from Algonquin Park to Ottawa although the risk is much stronger on the Quebec side of the border.
There is a very questionable severe risk through the Niagara region with strong wind gusts up to 90km/h as the main concern, but storm development isn’t guaranteed. The storm risk will come to an end around 9-10 PM as the storms move out of the province.
