In this video, I show how the changing Polar Vortex (one literature search found the first reference to it was in 1853) will play a role in weather changes during the next week or so. In short, first it will become milder, but some places from Maryland to southern New England can get a little snow tomorrow. Saturday turns rainy with many I95 corridor sites reaching or passing 50 degrees, then it is a little chillier on Sunday, milder Monday, then colder later next week.
With a high pressure area off the East Coast and a cold front approaching from the west, a strong southerly flow of milder air will sweep northward.
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But that does not mean permanent warmth comes soon