SPC AC 170800

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0200 AM CST Wed Nov 17 2021

   Valid 191200Z - 201200Z

   ...NO SEVERE THUNDERSTORM AREAS FORECAST...

   ...SUMMARY...
   Severe thunderstorms are not forecast across the contiguous United
   States on Friday.

   ...Synopsis and Discussion...
   An upper trough is forecast to continue moving quickly northeastward
   across the Mid-Atlantic and New England on Friday. At the surface, a
   front will likely extend over the Gulf of Mexico across the FL
   Peninsula and into the western Atlantic. To the north of this front,
   surface high pressure is expected to dominate much of the eastern
   CONUS through the period. The only appreciable chance for
   thunderstorms Friday appears to be across parts of east-central and
   south FL, where greater low-level moisture should be present south
   of the front. Poor lapse rates and weak instability will likely
   limit the potential for severe convection. Elsewhere, thunderstorms
   are not expected across the rest of the CONUS due to a lack of
   sufficient moisture and instability.

   ..Gleason.. 11/17/2021

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