SPC 1630Z Day 1 Outlook

Day 1 Outlook Image

Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
1019 AM CST Wed Jan 13 2021

Valid 131630Z - 141200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Severe thunderstorms are not expected through tonight.

...Southeast States...
A southern-stream upper low is moving across LA/MS today, with its
associated mid level speed max approaching the southeast states. 
Lift in the left-exit region of this jet will continue to result in
scattered showers across parts of MS/AL/GA this afternoon and
evening.  While an isolated lightning flash is possible, it is
likely to stay below the 10% criteria for a general thunderstorm
outlook.  

Later this evening, increasing large-scale ascent will shift
eastward into the Carolinas.  Forecast soundings suggest a slightly
deeper unstable layer, along with a deeper moist layer.  This may be
sufficient for a better chance of lightning flashes after dark over
parts of SC and southern NC.

..Hart.. 01/13/2021

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