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Centre for Precision Forecasts
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TransCanada Weather
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Dec 21, 20225 min read
Life-Threatening Winter Storm (Dec 23-25, 2022): Preliminary Forecast Southwestern Ontario
A life-threatening winter storm will impact Ontario, starting on Friday and lasting through the weekend. While there are always comments...
1,380 views
Apr 13, 20204 min read
Snowstorm Targets Northern Ontario, 50cm+ Possible
We are tracking a large low-pressure system which is producing strong tornadoes and severe thunderstorms across the Deep Southeast United...
97 views
Feb 27, 20205 min read
Blizzard Conditions Expected from Snow Squalls; Locally 60cm+
We are watching a dangerous snow squall setup across the Great Lakes which is expected to last from Thursday through to Saturday....
1,491 views
Feb 25, 20208 min read
Winter Storm Targets Ontario; 35cm+ Possible
We are tracking what is set to be one of the biggest snowstorm this winter across Southern Ontario with a widespread 10-20cm expected...
4,120 views
Jan 18, 20204 min read
Biggest Snowstorm of the Season for Southern Ontario
We are tracking a significant snowstorm which is expected to impact a large portion of Southern Ontario and into Northeastern Ontario....
10,993 views
Dec 31, 20195 min read
Widespread Snow and Lake Effect Snow to Impact Southern Ontario
After a snowstorm and road closures in Northern Ontario with an ice storm in Southern Ontario, this system is pulling away with cooling...
1,542 views
Dec 18, 20194 min read
Strong Snow Squalls and Blizzard-Like Conditions to Impact Southwestern Ontario
We are watching the risk for some significant snow squalls across Southwestern Ontario with blizzard-like conditions possible. Areas in...
1,741 views
Dec 11, 20197 min read
*UPDATED* Multi-Day Snow Squall Outbreak Across the Great Lakes
This is an updated forecast post from the one issued between 12pm and 2pm on Tuesday, December 10th, 2019. This forecast is for the same...
810 views
Dec 10, 20195 min read
Multi-Day Snow Squall Outbreak Across the Great Lakes
We have updated our forecast to better align with expected squall locations from today's data as well as updated snowfall totals. Updated...
1,516 views
Dec 4, 20194 min read
Moderate Snow Squalls Across Portions of the Southern Ontario Snowbelt
We are closely watching the risk of some isolated snow squalls across portions of Southern Ontario extending to the southeast of Georgian...
802 views
Nov 12, 20193 min read
Strong Snow Squalls to Produce Significant Snowfall (> 25cm); Locally 40cm Possible
Another round of heavy snow set to impact portions of Southern Ontario after the first significant snowstorm of the season. Widespread...
1,837 views
Nov 11, 20194 min read
Winter Storm to Bring Widespread 10-25cm of Snow To Southern Ontario; Pockets of 40cm Possible
We are watching an increasing strength winter storm which is expected to move into Southern Ontario early Monday morning. The snowstorm...
3,030 views
Nov 10, 20193 min read
Long-Duration Snow Squall Event Around Lake Nipigon to Start the Work Week
We are watching a multi-day snow squall event around Lake Nipigon beginning in the early hours on Sunday lasting as long as Tuesday...
41 views
Nov 7, 20193 min read
Strong Snow Squalls to Bring Hazardous Travel and Heavy Snow to Parts of Southern Ontario
We are currently watching scattered lake-effect snow development across Lake Huron and Georgian Bay before intensification and...
2,280 views
Nov 5, 20192 min read
Heavy Snow and Snow Squalls to Impact Far Northern and Northern Ontario
We are watching a large system cross Northern and Far Northern Ontario bringing a widespread 3-8cm of snow. The heaviest snow will fall...
107 views
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