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   TID: SBBSecho 3.28-Linux master/123f2d28a Jul 12 2025 GCC 12.2.0   
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   ACUS03 KWNS 200746   
   SWODY3   
   SPC AC 200745   
      
   Day 3 Convective Outlook   
   NWS Storm Prediction Center Norman OK   
   0145 AM CST Tue Jan 20 2026   
      
   Valid 221200Z - 231200Z   
      
   ...NO THUNDERSTORM AREAS FORECAST...   
      
   ...SUMMARY...   
   Thunderstorms are not expected on Thursday.   
      
   ...Synopsis...   
      
   An upper shortwave trough/low near the CA coast will develop east   
   toward southern CA/northern Baja by Friday morning. As this occurs,   
   upper flow over the eastern half of the CONUS will become   
   flatter/quasi-zonal. At the surface, arctic high pressure will build   
   over the Canadian Prairies and begin to slide southward into the   
   Plains, ushering in a very cold airmass. Forecast guidance varies in   
   the location of an arctic cold front by the end of the period, but   
   the expectation is that by early Friday morning, the front will be   
   located somewhere near central OK to the Red River, and stretch   
   eastward toward the Mid-South.   
      
   Modified Gulf moisture will be located well south of the front from   
   central/southern TX toward the central Gulf Coast. Isolated   
   convection may develop near or to the cool side of the cold front   
   late Thursday night/early Friday morning across north TX/southern OK   
   within warm advection around 850 mb. However, instability is   
   expected to be very minor and lighting is not expected. Further   
   south in better low-level moisture, forcing for ascent will be   
   limited and warm midlevel temperatures will preclude   
   destabilization.   
      
   ..Leitman.. 01/20/2026   
      
   $$   
      
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