SPC AC 310716

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0216 AM CDT Sun Oct 31 2021

   Valid 021200Z - 031200Z

   ...NO SEVERE THUNDERSTORM AREAS FORECAST...

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

   ...Synopsis...
   A mid-level disturbance initially over the Four Corners will quickly
   move east into OK by early Wednesday morning while a trough remains
   centered over the Great Lakes.  In the low levels, extensive surface
   high pressure east of the Rockies will lead to mainly tranquil
   conditions over a large part of the Lower 48 states.  The exception
   will be over the southern Great Plains with weak isentropic
   lift/warm-air advection leading to increasing clouds and the chance
   for isolated showers/thunderstorms by late in the day.  The chance
   for a cluster or two of weak elevated thunderstorms will likely
   increase Tuesday night from the South Plains eastward near the Red
   River.

   ..Smith.. 10/31/2021

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   NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z