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Centre for Precision Forecasts
Plan ahead with precision. No compromises. A reliable source for forecasting.



TransCanada Weather

Written Outlooks
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Scattered Severe Thunderstorms to Start October Across Southern Ontario; Isolated Tornado Possible
We are watching the risk for scattered severe thunderstorms across Southwestern and Central Ontario with an isolated risk across...
Oct 1, 20192 min read
438 views


Severe Thunderstorms Possible in Southern Ontario and Southern Quebec
We are watching the risk for severe thunderstorms across a wide portion of Eastern Ontario extending into Southern Quebec. The risk also...
Aug 8, 20192 min read
128 views


Isolated Severe Thunderstorms Possible in Ontario and Quebec
We are watching the risk for some scattered thunderstorms to develop across portions of Southern Ontario including Eastern and...
Jul 13, 20193 min read
202 views


Severe Thunderstorms Expected Across Ontario, Quebec and Manitoba; Isolated Tornadoes, Damaging Wind
UPDATE: Due to additional information sources this afternoon and tornado watches from Environment Canada, we have updated our Manitoba...
Jul 11, 20194 min read
393 views


Low Severe Thunderstorm Risk across Portions of Ontario and Quebec
We are watching a moderate risk for some isolated severe thunderstorms across portions of Eastern and Northeastern Ontario including...
Jul 5, 20193 min read
151 views


Widespread Thunderstorms, Isolated Severe, Across Quebec and Ontario
We are currently watching the risk for widespread showers and thunderstorms across portions of Quebec as well as Eastern Ontario. Some of...
Jun 29, 20193 min read
59 views


Low Risk for Severe Thunderstorms Targets Ontario, Quebec, and New Brunswick
We are watching an area of disturbed weather over portions of Northeastern Eastern Ontario, Southern Quebec and Northwestern New...
Jun 27, 20193 min read
28 views


Severe Thunderstorms Possible in Ontario and Quebec; Isolated Tornado Threat
We are currently watching the risk of some severe thunderstorms across portions of Central and Eastern Ontario as well as portions of...
Jun 26, 20194 min read
140 views


Low Severe Thunderstorm Risk Targets Ontario, Quebec and Manitoba
We are currently watching the risk of scattered non-severe thunderstorms with multiple pockets of isolated severe thunderstorms. Southern...
Jun 25, 20194 min read
70 views


EF-1 Tornado Confirmed Near Ottawa on Sunday, June 2nd, 2019
Environment Canada has confirmed the first tornado in Ontario in 2019 and third Canadian tornado as an EF-1 tornado from Sunday, June...
Jun 3, 20192 min read
41 views


Scattered Severe Thunderstorms Possible In Northern and Southern Ontario; Tornadoes Possible
We are currently watching the risk for some scattered severe thunderstorms across portions of Southern Ontario and portions of Far...
May 25, 20193 min read
602 views


Severe Thunderstorm Threat Across Portions of Ontario and Quebec; Isolated Tornado Risk
We are currently watching the risk for some developing severe thunderstorms across portions of Central and Eastern Ontario, continuing...
May 23, 20192 min read
162 views


Scattered Showers and Non-Severe Thunderstorms Possible in Southern Ontario
We are currently watching the risk for some developing showers and thunderstorms this afternoon and evening across Southern Ontario and...
May 15, 20191 min read
54 views
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