TZUTC: 0000   
   MSGID: 167991.weather@1:2320/105 2db6acb8   
   PID: Synchronet 3.21a-Linux master/123f2d28a Jul 12 2025 GCC 12.2.0   
   TID: SBBSecho 3.28-Linux master/123f2d28a Jul 12 2025 GCC 12.2.0   
   BBSID: CAPCITY2   
   CHRS: ASCII 1   
   FORMAT: flowed   
   ACUS01 KWNS 261948   
   SWODY1   
   SPC AC 261946   
      
   Day 1 Convective Outlook   
   NWS Storm Prediction Center Norman OK   
   0146 PM CST Fri Dec 26 2025   
      
   Valid 262000Z - 271200Z   
      
   ...NO SEVERE THUNDERSTORM AREAS FORECAST...   
      
   ...SUMMARY...   
   Severe thunderstorms are not forecast across the contiguous United   
   States through tonight.   
      
   ...20Z Update...   
   The general thunderstorm forecast was updated in the Lower Great   
   Lakes region on account of the shortwave trough progression. The   
   remainder of the forecast remains valid and is unchanged. See the   
   previous discussion for additional information.   
      
   ..Wendt.. 12/26/2025   
      
   .PREV DISCUSSION... /ISSUED 1026 AM CST Fri Dec 26 2025/   
      
   ...Synopsis and Discussion...   
   An upper trough will continue to progress eastward over the western   
   CONUS today. With cool temperatures at mid levels supporting weak   
   MUCAPE, isolated thunderstorms may occur across parts of CA into the   
   Great Basin and northern Rockies through the period as large-scale   
   ascent associated with the upper trough spreads inland. Mid-level   
   flow and related deep-layer shear should remain strong enough to   
   support some updraft organization across these areas, but limited   
   low-level moisture, cool surface temperatures, and overall weak   
   instability will likely hinder a meaningful severe threat from   
   materializing today. Elsewhere, isolated lightning flashes may occur   
   with elevated convection in a strong low-level warm advection regime   
   over portions of the Great Lakes into the Mid-Atlantic and southern   
   NY as a mid-level shortwave trough advances east-southeastward   
   across these areas.   
      
   $$   
      
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