ZCZC SPCSWOD48 ALL
   ACUS48 KWNS 230748
   SPC AC 230748

   Day 4-8 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0248 AM CDT Fri Oct 23 2026

   Valid 261200Z - 311200Z

   ...DISCUSSION...
   A series of upper troughs will move across portions of the northern
   and central U.S. during the Day 4-8 period. Around the middle of the
   work (Day 6/Wed), a larger-scale upper trough is forecast to develop
   across the Plains and Midwest, and eventually the eastern U.S. by
   the weekend. As this occurs, a cold front will develop southeast
   across much of the CONUS east of the Rockies. While this will likely
   support some thunderstorm and shower activity, boundary layer
   moisture will remain limited, and only weak instability is forecast
   and will largely remain displaced from stronger deep-layer flow.
   Overall, severe potential appears low through Day 8/Fri.

   ..Leitman.. 10/23/2026

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