Tuesday, January 17, 2012

Severe Weather Possible Mississippi Valley Today...

A strong cold front is moving Southeastward across the Plains and is approaching the Mississippi Valley this morning. You can see the front by the location of the bright blue areas on the temperature gradient map below (the brighter blue areas correspond with temperatures in the 30s and 40s behind the front, as compared to the 60s and 70s ahead of the front):

The front will continue Southeastward today, and will cause an increase in thunderstorm activity across portions of the Deep South and Mississippi Valley region.  Some of these storms may become severe, particularly within the yellow shaded area on the image below:

The greatest threat from this activity will come in the form of damaging wind gusts and large hail, however isolated tornado development also cannot be ruled out.

Other strong to marginally severe thunderstorms may develop along the front on up into the Ohio Valley, near the "See Text" notation on the above graphic. Damaging wind gusts near severe limits and small hail would be the primary severe weather threats in this area.

Thunderstorms are already developing at this hour across portions of Louisiana and extreme east-central Texas, and are moving Eastward.  This activity may become severe by late morning across the Western half of the severe weather risk area.  The threat across the Eastern half of the risk area will mainly take place this afternoon and early this evening.

Folks living across the severe weather risk area should remain alert today.  Listen to NOAA Weather Radio or another trusted source for the latest information and possible warnings.  Review severe weather safety tips now and be prepared if threatening weather approaches your area.

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