Friday, March 23, 2012

Severe T-Storms Possible Ohio / Tennessee Valley Region Today...

Above is the latest severe weather outlook for today and tonight from the Storm Prediction Center in Norman, OK. Severe storms are forecast within the yellow shaded areas on the above image.

The upper-level storm system that has been nearly stationary over the central Plains so far this week will finally make a move out to the East today, spreading shower and thunderstorm activity ahead of it, and along a weak surface boundary extending from the Midwest and Ohio Valley into the Tennessee Valley and down toward the middle Gulf Coast.

Strong to severe thunderstorms are likely to develop and/or increase in number ahead of these features, mainly this afternoon and into this evening.  Large hail and damaging wind gusts will be the primary severe weather threats, although an isolated tornado or two cannot be ruled out, particularly with any storms that are able to become well organized.

Although it has not been included on the SPC outlook above, I would also expect a few of the storms South of the risk area toward the middle Gulf Coast to become strong to locally severe, with hail and gusty winds the primary threats.  We may see this area included in a later update of the SPC's forecast.

If you live in the above mentioned areas, and particularly within the yellow shaded area on the image at the top of the post, please remain alert today.  Listen to NOAA Weather Radio, local media, or another trusted source for later information, watches and possible warnings.  Make sure that you identify your best sheltering option at home, work or school, and be prepared to go there if threatening weather is observed or a warning is issued.

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