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Thanksgiving outlook: Brutal cold, snow to blast Midwest as a storm may eye the East
Time to start planning for Thanksgiving, dear Reader. Mr. Wife informs me that if we get a foot of snow, we won't be driving up to Buffalo.
[AccuWeather] While warmth builds in the Southwest, re-surging cold air may trigger frequent snow in the Great Lakes and help spin up a storm along the East Coast around Thanksgiving Day.

Following a storm and shot of cold air that sweeps across the northern part of the nation into this weekend, there is the potential for very cold air with a punishing wind to take root over the Midwest and Northeast during the long Thanksgiving weekend.

"If indications are correct, some locations may be hit by up to one foot of snow, while gusty winds sweep cold air from the northern Plains to the Gulf Coast, Appalachians and eventually the Atlantic Seaboard," according to AccuWeather Senior Meteorologist Brett Anderson.

It is during that press of arctic air when another storm may come about with a swath of steady rain, ice and snow in the Northeast.

A piece of the polar vortex may break loose and settle in the swath from the Great Lakes to the Gulf of St. Lawrence. The jet stream is a high speed river of air at the level where jets cruise at.
Posted by: trailing wife 2017-11-16
http://www.rantburg.com/poparticle.php?ID=501722