Strong to Severe Thunderstorms Possible Across Southern Ontario; Large Hail Possible
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Centre for Precision Forecasts
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TransCanada Weather
Written Outlooks
- Mar 20, 2020
- 2 min
Damaging Winds Possible as Severe Thunderstorms Target Southern Ontario
- Oct 1, 2019
- 2 min
Scattered Severe Thunderstorms to Start October Across Southern Ontario; Isolated Tornado Possible
- Sep 13, 2019
- 3 min
Dangerous Thunderstorms and Isolated Tornadoes Possible in Southern Ontario
- Aug 8, 2019
- 2 min
Severe Thunderstorms Possible in Southern Ontario and Southern Quebec
- Jul 15, 2019
- 3 min
Severe Thunderstorm Target Northern and Extreme Southern Ontario
- Jul 13, 2019
- 3 min
Isolated Severe Thunderstorms Possible in Ontario and Quebec
- Jul 11, 2019
- 2 min
UPDATE: Tornado Watch Issued; Severe Thunderstorms Expected Across Ontario & Manitoba
- Jul 11, 2019
- 4 min
Severe Thunderstorms Expected Across Ontario, Quebec and Manitoba; Isolated Tornadoes, Damaging Wind
- Jul 10, 2019
- 2 min
Scattered Severe Thunderstorms Expected Across Portions of Alberta and Saskatchewan
- Jul 10, 2019
- 2 min
Severe Thunderstorms Possible East of Lake Superior
- Jul 8, 2019
- 4 min
Severe Thunderstorms and Isolated Tornadoes Target Alberta, Saskatchewan, Manitoba, and Ontario
- Jul 5, 2019
- 3 min
Low Severe Thunderstorm Risk across Portions of Ontario and Quebec
- Jul 4, 2019
- 1 min
Severe Thunderstorms Target Northern Ontario
- Jul 3, 2019
- 2 min
Severe Thunderstorms Expected Across Northwestern Ontario & Funnel Clouds in Southern Ontario
- Jul 2, 2019
- 2 min
Isolated Severe Thunderstorms Possible in Southern and Northwestern Ontario
- Jun 29, 2019
- 5 min
Damaging Winds and Large Hail Expected in Saskatchewan, Manitoba and Ontario; Isolated Tornadoes
- Jun 29, 2019
- 3 min
Widespread Thunderstorms, Isolated Severe, Across Quebec and Ontario
- Jun 28, 2019
- 2 min
Isolated Severe Thunderstorms in Southern Ontario; 2-3cm Hail, 100km/h Winds, Isolated Tornado
- Jun 27, 2019
- 3 min
Severe Thunderstorms Possible in Alberta & Saskatchewan; Damaging Winds, Large Hail, Tornado Threat