Midwest: Heavy Snow, Possible Tornadoes

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By Quincy Vagell on November 10, 2012, 3:45pm Last modified: November 12, 2012, 11:22am

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In the Midwest, a storm system brings heavy snow and possible severe t-storms.

The clash between cold and warm air is causing an interesting weather setup.

A series of low pressure systems and a frontal boundary separate a cold air mass from a warm air mass out in the Midwest. The result is heavy snow across areas from Colorado to the Dakotas, while portions of Kansas and Nebraska are under the gun for strong to severe thunderstorms. The SPC even says isolated tornadoes are possible.

Further discussion:
The weather analysis map below paints the weather story. A series of low pressure systems are drawing in warm air from the south, while on the back side, cold air is thrown back into areas further northwest. Moderate to heavy snow bands are occurring where the colder air is locked in, resulting in snowfall rates of up to 1 inch per hour. 
A dry line across Nebraska and Kansas marks the clash between dry and moist air. Along this boundary, some potent thunderstorms may develop.

Severe weather is NOT expected along the East Coast next week. 
As the front approaches, warm air is expected for Sunday and Monday, but with a lack of instability, little if any thunderstorms are in the forecast. Once the front clears the area, cooler air will follow.

More information from the Storm Prediction Center

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Quincy Vagell

Town: Marlborough, CT  

Reporting for WXedge since January 2012.

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