Tuesday, April 10, 2012

Severe Weather Possible Southern Plains Again Today...

Severe thunderstorms are forecast across the Southern U.S. again today, particularly within and near the yellow shaded areas on the above image.

In West Texas and the Texas Panhandle region:  scattered severe thunderstorms are forecast to develop along and ahead of a surface dryline and South of a stationary front by mid to late afternoon.  This activity will move Southeastward into the evening before diminishing shortly after sunset.

Large hail, some perhaps very large (i.e., greater than 2 inches in diameter) and damaging thunderstorm wind gusts will be the primary threats in this area.  An isolated tornado also cannot be ruled out.

In northern Louisiana:  scattered thunderstorms are forecast to develop during the afternoon as the atmosphere heats up and becomes more unstable.  Some of these storms could become severe, producing large hail and damaging wind gusts.  This threat will also exist, to a lesser extent, across adjacent portions of southern Arkansas.  This activity should diminish toward or just after sunset.

Scattered strong thunderstorms may also develop between the two severe weather risk areas, across southern Oklahoma and northern Texas, generally along and 50-75 miles either side of the Red River by late afternoon or early evening.  Some of these storms could produce hail or wind gusts near severe limits, as indicated by the brown shaded area on the image below:

A similar threat for strong to locally severe storms will exist across far southwest Texas along the dryline (as indicated above).  Most of this activity will be isolated to widely scattered in coverage.

If you live in or near the severe weather threat areas for today, please remain alert, particularly this afternoon and evening.  Listen to NOAA Weather Radio or a trusted local source for later statements and possible warnings.  Be sure to identify your best sheltering option ahead of time, and be prepared to go there quickly in the event of severe weather.

Additional threats of severe weather, of increasing coverage and intensity, are likely through the end of the week and the weekend.  Please see this post from yesterday for more details, and watch for an update later today...

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