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First Autumn Cold Snap Chills Central, Eastern U.S.

UPDATED 2 AM EDT, October 7, 2012

UPDATED By WeatherBug Meteorologist, Andrew Rosenthal

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The first real cold autumn blast is shivering large stretches of the central and eastern U.S. this morning. The chill will start to contract on Tuesday as warmer air moves into the Plains.

A cold front passed the East Coast on Saturday, and behind it cold air has been surging eastward. Temperatures are expected to fall into the 30s from northern Texas all the way into upstate New York.

Widespread Freeze Warnings and Frost Advisories are in effect from northern Texas into upstate New York. This includes Amarillo, Texas, Oklahoma City, St. Louis, Indianapolis, Cincinnati, Cleveland, Pittsburgh, and Rochester, N.Y.

These temperatures will be cold enough to kill unprotected tender outdoor plants, as well as crops. It`s best to bring your plants inside or cover them with a blanket, avoiding or minimizing their exposure to cold. In addition, do not forget to bring pets into the house tonight.

The first significant cold snap for the central and eastern U.S. won`t last much longer, leaving just as quickly as it arrived by early-to-mid next week. A further northward storm track along the northern U.S. and Canada border will allow warmer air to slide all the way into the Midwest on Tuesday, where 60s and lower 70s will be slightly above normal for early October.

Just like the Midwest, places such as Washington, D.C., Baltimore, Philadelphia, and Boston will see their temperatures warm briefly back above normal into the 60s and lower 70s by Wednesday.

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