Scattered Severe Thunderstorms to Start October Across Southern Ontario; Isolated Tornado Possible

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Centre for Precision Forecasts
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TransCanada Weather

Written Outlooks


- Sep 13, 2019
- 3 min
Dangerous Thunderstorms and Isolated Tornadoes Possible in Southern Ontario

- Jul 15, 2019
- 3 min
Severe Thunderstorm Target Northern and Extreme Southern Ontario

- 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 3, 2019
- 2 min
Severe Thunderstorms Expected Across Northwestern Ontario & Funnel Clouds in Southern Ontario

- Jun 29, 2019
- 5 min
Damaging Winds and Large Hail Expected in Saskatchewan, Manitoba and Ontario; Isolated Tornadoes

- 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

- Jun 26, 2019
- 4 min
Severe Thunderstorms Possible in Ontario and Quebec; Isolated Tornado Threat

- Jun 25, 2019
- 4 min
Low Severe Thunderstorm Risk Targets Ontario, Quebec and Manitoba

- Jun 24, 2019
- 1 min
Low Threat for Isolated Severe Thunderstorms Across Southwestern Ontario

- Jun 8, 2019
- 1 min
RARE EF-1 Tornado Confirmed Near Fort Smith, Northwest Territories

- Jun 8, 2019
- 2 min
Damaging Winds and Large Hail Expected in Northwestern Ontario and Southern Manitoba

- Jun 7, 2019
- 2 min
Strong to Severe Thunderstorms in Northwestern Ontario and Southern Manitoba

- Jun 3, 2019
- 2 min
EF-1 Tornado Confirmed Near Ottawa on Sunday, June 2nd, 2019

- Jun 1, 2019
- 1 min
Severe Thunderstorms Expected in Southwestern Ontario, Including an Isolated Tornado Risk