Elliot Abrams

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Strong Thunderstorms Precede Autumn Air Mass in Northeast

October 7, 2013; 8:22 AM ET

Monday 10 AM

A strong cold front that caused cloudbursts of rain in the Ohio Valley yesterday is moving through the East today. At 10 a.m., the leading edge of the strongest thunderstorms extended from Elmira, N.Y., through Harrisburg, Pa., then on southwest through D.C.'s far western suburbs. A tornado watch was issued this morning in anticipation of these thunderstorms getting severe as they move through the very warm, humid air that has been in place recently. The watch was to be in effect until 5 p.m. for the area shown on this map.

The watch will be rescinded from west to east as the line of thunderstorms moves along. Keep in mind that a watch is an alert saying something could happen. Warnings, however, are focused on small areas based on reported tornadoes and on radar indications of one or more tornadoes. If a warning is issued for your neighborhood, please go the safest place you can find right away. Most places will have a period of very intense rainfall with quick street flooding along with strong gusty winds that do not last long.

Much cooler air follows the front, but the front will stall off the Southeast coast. Some computer models suggest that a low pressure area will form along the front and then fling rain at the Middle Atlantic coast. Meanwhile, milder air will start spreading back across the Midwest.

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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.