A southward plunge of the polar vortex will bring a quick blast of arctic air directed at the Great Lakes and northeastern United States during the first week of April.
“The latest indications are the core of the coldest air associated with the polar vortex will track a bit farther north and east, compared to the outlook from last week,” according to AccuWeather Long-Range Meteorologist Edward Vallee.
The main thrust of cold air will aim at the Great Lakes, New England and the northern part of the mid-A
There is still a chance the arctic air may sneak farther south at the last minute, according to AccuWeather Long-Range Meteorologist Joe Lundberg.
It is possible for frost and freezing temperatures at night in parts of the central Plains, Tennessee Valley and southern Piedmont areas at the height of the cold air.
The potential for shocking cold and a hard, damaging freeze will exist from the Upper Midwest to the interior Northeast.
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