Elliot Abrams

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Colder, then Milder, then Much Colder in Northeast

January 17, 2013; 8:39 AM ET

Thursday 10 a.m.

A storm that caused snow in parts of Mississippi and Alabama this morning will move northeast this afternoon, putting Washington, D.C., Baltimore, Atlantic City, N.J., and New Bedford, Mass., near its northwest edge. This is farther southeast than it appeared would be the case yesterday afternoon... but in a distance of 50 miles with this kind of storm, you might find snow accumulations ranging from a mere dusting to 5 inches.

Meanwhile, cold air is advancing southward through the northeast third of the nation. However, as a strong low pressure areas forms in the upper Great Lakes on Saturday and moves eastward, it will generate a strong southwesterly flow of milder air for a couple of days. Temperatures should be well up in the 40s in Philadelphia and New York City Saturday.

However, very cold will pour southeastward from central Canada after this. On Monday, temperatures may have trouble topping 10 in Chicago, and it could stay below freezing all day in Philly, New York City and Boston. The video shows more.

This map shows the GFS-predicted precipitation from 1 until 7 p.m. EST today (Thursday). Note in northern Virginia how close the no precipitation zone is to the blue area that could have up to an inch of water.

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About This Blog

Elliot Abrams
Elliot Abrams from AccuWeather.com offers this Northeast Weather Blog for the U.S. with regular updates on NE weather from a leading forecaster and meteorologist.