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April 4, 2011 / Dave Gorham

Major Cold Front: Tornadoes Likely

A strong low pressure system and cold front will move eastward across the central and eastern U.S. today and tomorrow bringing a risk of strong-to-severe thunderstorms with locally heavy rainfall, large hail, frequent lightning, strong, gusty winds and isolated tornadoes. Thunderstorms stretching from Texas through the Midwest and into

Image: ImpactWeather

Illinois/Indiana this morning are forecast to spread east-southeast in coverage and increase in intensity through the afternoon hours. By afternoon and evening, much of the Ohio River Valley, Tennessee Valley, Mid-Mississippi Valley, and Deep South will be affected. Today the greatest risk of severe thunderstorms is expected from the Lower Mississippi Valley through western Kentucky, then eastward through the remainder of Kentucky, Tennessee, Alabama, and into northwestern Georgia. Thunderstorms will then shift across the Appalachians, western Carolinas, and the Southeast Monday evening before finally pushing offshore of the East Coast early Tuesday.

These thunderstorms will likely be severe with large hail, damaging winds in excess of 60 mph, intense lightning and isolated tornadoes. In addition, locally heavy rainfall will be possible as far north as the eastern Great Lakes with amounts averaging from 1-3 inches, isolated up to 5 inches or more. Rainfall of this intensity could lead to localized flash flooding with little advanced warning.

ImpactWeather’s “StormWatch Today” video can be viewed here.

Typical thunderstorm. Photo: Wikipedia

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