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Centre for Precision Forecasts
Plan ahead with precision. No compromises. A reliable source for forecasting.
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TransCanada Weather
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Written Outlooks
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May 16, 20192 min read
Isolated Severe Thunderstorm Threat in Extreme Southwestern Ontario
We are watching the risk of developing showers and thunderstorms this afternoon and evening before a line of potentially severe...
126 views
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May 15, 20192 min read
Isolated Severe Thunderstorms In Southern Manitoba/Saskatchewan; Non-Severe Storms for NW Ontario
We are currently watching the risk for some non-severe thunderstorms across much of Southern Saskatchewan and Manitoba extending into...
137 views
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May 15, 20191 min read
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...
54 views
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May 13, 20192 min read
Moderate Rain (~25mm) and Flurries Across Southern Ontario to Start the Week
We are closely watching a system currently over the United States as it moves into Southern Ontario. This system is expected to bring a...
273 views
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May 9, 20195 min read
Heavy Rain Aimed At Ontario; 20-60mm Expected
We are closely watching a system currently over the United States as it moves into Southern and Northeastern Ontario. The system is...
417 views
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May 1, 20198 min read
Heavy Rain, Severe Thunderstorms, Flooding and Significant Freezing Rain Possible Across Ontario
We are closely tracking a system expected to move into Ontario with heavy rain, possibly isolated severe thunderstorms, significant...
949 views
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Apr 26, 20195 min read
Heavy Rain Expected to Worsen Record Flooding with Multiple Declared Flood Emergencies
We are closely tracking a quick moving low-pressure system which is expected to cross Southern Ontario beginning in the early hours on...
1,202 views
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Apr 18, 20197 min read
Multiple Systems Bring Heavy Showers, Thunderstorms and Flooding to Ontario
Due to the multiple systems over a span of 4 days, we have decided to split our forecast into two separate forecasts validations. The...
329 views
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Apr 14, 20198 min read
Texas Low Producing a Severe Weather Outbreak Moves Into Ontario with Snow, Freezing Rain and Rain
We are closely tracking a Texas Low which is currently (as of Saturday evening) sitting over portions of the United States, near the Gulf...
444 views
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Apr 11, 20196 min read
Weakening Historic Blizzard Moving into Ontario; Heavy Snow, Freezing Rain and Gusty Winds Expected
We are closely tracking a large, historic and record-breaking system weaken as it tracks near Ontario. This system has produced an ice...
3,874 views
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Apr 7, 20194 min read
Strengthening System to Bring Heavy Snow & Significant Freezing Rain to Northern and Eastern Ontario
We are watching a strengthening system across Northern Ontario which will bring 15 to 30cm of snow and a wide swath of freezing rain...
733 views
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Apr 5, 20192 min read
Freezing Possible for Several Hours on Friday (April 5th) for Southwestern and Central Ontario
We are closely watching a weak system expected to slide through Southern Ontario. Rain can be expected for much of the Extreme South with...
229 views
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Mar 30, 20195 min read
Strong Spring Storm Bringing Heavy Rainfall, Flooding, Significant Freezing Rain, and Heavy Snow
March will be going out like a lion this year as a strong Colorado Low is expected to move across Southern Ontario bringing 20 to 50mm of...
710 views

Mar 22, 20192 min read
Strong System Passing South of Eastern Ontario, Widespread Blowing Snow
We are tracking a large bomb-cyclone which is expected to move over New York State and up the Northeastern United States affecting both...
957 views
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Mar 14, 20192 min read
Low Severe Thunderstorm Risk across Extreme Southwestern Ontario (March 14th, 2019)
A record-breaking Colorado Low is moving across Northeastern Ontario this afternoon with moderate to heavy snow to the north and...
72 views
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Mar 14, 20197 min read
Record-Breaking Colorado Low Weakening into Ontario
A record-breaking Colorado Low over the Upper Midwest Plains in the United States has caused record-breaking pressure recordings in the...
49 views
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Mar 9, 20196 min read
Spring Storm to Start Off March Break for Many
We are tracking a large spring storm which will bring moderate snowfall to portions of Northern Ontario, freezing rain and snow to South...
432 views
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Feb 27, 20192 min read
Snowstorm for Southwestern, South Central, the Extreme South and the GTA on Wednesday
We are closely tracking an impactful snowstorm with the risk of 10-20cm of snow across portions of Southern Ontario, including the GTA,...
723 views
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Feb 23, 20199 min read
Damaging Winds Over 110km/h; Blizzard Conditions in the North; Icy Conditions in the North and East
We are currently tracking a powerful Texas low that will track through Northern Ontario bringing the risk of 20-40cm of snow, 5-10,...
1,697 views
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Feb 17, 20192 min read
Lake Ontario Enhancing Snowfall Amounts to the West from a Southern System
We are currently tracking a system that will track south of Southern Ontario which will bring some light snow to much of the region with...
1,111 views
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