U.S. Severe Weather Forecast (Convective Outlook)

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Day Three

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acus03 kwns 250813 
swody3 
Storm Prediction Center ac 250812 


Day 3 convective outlook 
National Weather Service Storm Prediction Center Norman OK 
0212 am CST sun Feb 25 2018 


Valid 271200z - 281200z 


..there is a marginal risk of severe thunderstorms across parts of 
Texas...northwest Louisiana and far southwest Arkansas... 


... 
Thunderstorms accompanied by hail will be possible across parts of 
central and East Texas into southern Oklahoma and northwest 
Louisiana on Tuesday. 


..central and East Texas/northwest Louisiana... 
An upper-level ridge is forecast to be in place across the eastern 
U.S. On Tuesday as southwest mid-level flow remains over the 
Southern Plains. This pattern will result in strong moisture 
advection from central Texas into the lower Mississippi Valley. 
Scattered thunderstorm development will be possible along the 
northern edge of the warm sector from a low-level jet in central 
Texas eastward into western Louisiana and northward into southern 
Oklahoma. Forecast soundings in this area at 21z on Tuesday show 
steep mid-level lapse rates, cold temperatures aloft, some 
instability and strong effective shear suggesting marginally severe 
hail will be possible with elevated thunderstorms during the mid to 
late afternoon. 


.Broyles.. 02/25/2018 


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