U.S. Severe Weather Forecast (Convective Outlook)

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Day Three

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Storm Prediction Center ac 180723 


Day 3 convective outlook 
National Weather Service Storm Prediction Center Norman OK 
0223 am CDT Mon Mar 18 2019 


Valid 201200z - 211200z 


..no severe thunderstorm areas forecast... 


... 
widely scattered thunderstorms are expected over a portion of the 
southwestern U.S. Wednesday. 


..southwestern states... 


Synoptic upper trough will advance inland through California Wednesday, 
continuing into the Great Basin Wednesday night. Cold temperatures 
aloft with -24 to -26 c at 500 mb and pockets of diabatic heating 
will steepen lapse rates supporting 200-400 j/kg MLCAPE. Forcing for 
ascent attending embedded vorticity maxima along with modest 
destabilization should support development of widely scattered 
thunderstorms within a more general area of showers during the day 
and continuing into the evening. 


.Dial.. 03/18/2019 


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