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A typical spring pattern is shaping up across North America with up-and-down temperature patterns due to a wavy jet stream pattern.
-- There will be a brief period of heavy rain across the Maritimes early Thursday with the potential for over 30 mm of rain and strong south to southeast wind gusts.
-- Chilly air will return to eastern Canada this weekend with significant trough building across the region. This may even result in some snow showers in the Ottawa region Saturday night into early Sunday,
-- There will be a big warmup for eastern Canada next week (Mon-Wed) as southwesterly winds send warm air into Ontario and southern Quebec. Temperatures will likely peak Tuesday above 20 degrees Celsius over many areas, except those that are downwind of larger lakes.
Projected afternoon temperatures for Tuesday.
--There will be a significant warmup late this week across western Canada, but much cooler air will come into Alberta Sunday into Sunday night with the potential for some snow in the mountains and foothills.
--A strong West Coast ridge will likely dominate for the first week of May, which will likely lead to well above-normal temperatures and below-normal precipitation for BC. At the same time, it will turn cooler in the central and eastern Prairies and wetter across the Great Lakes and Ontario.
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A drier and milder pattern for the West while the East experiences real fall.
Major shift in the weather pattern on the way.
Extreme weather pattern across North America to persist into next week.
Plenty of cold for the Prairies and more snow as well.
Coldest air will be directed into the Prairies over the next 1-2 weeks.
Chilly air to expand eastward as we head into October.
My thoughts on the overall pattern for the next two weeks in Canada.