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Weekly long-range weather pattern update still shows significant pattern change later this month

January 09, 2019; 9:39 AM

Signals remain fairly strong that there will be a significant pattern change later this month into early February with a drier and milder trend in the west and a colder trend in the east with the potential for significant coastal storms into Atlantic Canada. This may rapidly increase the snowpack from New Brunswick to Newfoundland during the period.

The cold coming into the eastern Prairies and eastern Canada late this month into early February does not look extreme at this point and more likely a large area of slightly below-normal temperatures. However, the air does look cold enough for several outbreaks of lake-effect snow downwind of the Great Lakes. The lakes are running warmer than normal with below-average ice, which increases the chance for bands of heavier lake-effect snow.

It appears that the most direct shot of arctic air (much-below-normal temperatures) will be more directed toward Europe in late January and early February.

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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