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Oh no, look at the summer's weather forecast

AccuWeather.com reports the cool weather pattern that has dominated parts of central and eastern Canada this spring will prevail into the majority of the summer.
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 AccuWeather.com reports the cool weather pattern that has dominated parts of central and eastern Canada this spring will prevail into the majority of the summer.

A persistent dip in the jet stream across central and eastern Canada will lead to an increase of cool spells in the region, especially during June and July. In addition to the jet stream pattern, the record extent of ice coverage over the Great Lakes this spring has delayed the normal warming of the lakes.

As a result, the lagging lake temperatures will have a cooling effect on the surrounding regions, including areas in and around Ontario, such as Thunder Bay, Sault Ste. Marie and Toronto, during the first half of the summer.

While Atlantic Canada will experience a cool start to summer, the region will transition to conditions warmer and more humid than normal for the second half of the summer.

For the first half of summer, near-normal rainfall is expected across most of Atlantic Canada, including Halifax, Nova Scotia, and St. John's, Newfoundland.

However, for the second half of the season, the region will transition into a period of above-normal rainfall as a more moist, southerly flow takes over with the opportunity for heavier, tropical rainfall late in the summer.

Meanwhile, high pressure reigns, above-normal temperatures and less rainfall are predicted for much of British Columbia into areas in extreme western Alberta this summer.

The combination of increased heat and little rainfall, coupled with the ongoing Pine Bark Beetle infestation, will raise the risk for large wildfires along and west of the Continental Divide.

In Vancouver, British Columbia, the combination of high pressure and above-normal sea surface temperatures in the northeast Pacific will lead to a slightly warmer-than-normal summer with reduced chances for rainfall.

 


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Jeff Turl

About the Author: Jeff Turl

Jeff is a veteran of the news biz. He's spent a lengthy career in TV, radio, print and online, covering both news and sports. He enjoys free time riding motorcycles and spoiling grandchildren.
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