296  
ACUS01 KWNS 010054  
SWODY1  
SPC AC 010052  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0652 PM CST WED DEC 31 2025  
 
VALID 010100Z - 011200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
ISOLATED THUNDERSTORMS MAY OCCUR ACROSS PARTS OF SOUTHERN CALIFORNIA  
LATE TONIGHT.  
   
..01Z UPDATE
 
 
WELL-DEFINED UPPER LOW IS LIFTING NORTHEAST TOWARD THE SOUTHERN CA  
COAST AS A 500MB SPEED MAX TRANSLATES INTO THE BASE OF THE TROUGH,  
BUT REMAINING OFFSHORE. LEFT EXIT REGION OF THIS JET WILL ENCOURAGE  
CONVECTION ALONG THE WEAK FRONT AS IT SURGES TOWARD THE COAST LATE  
TONIGHT. PRIMARY CONCERN FOR LIGHTNING WILL BE AFTER 09Z, BUT THIS  
ACTIVITY WILL BE ELEVATED AND WITHIN A POOR INSTABILITY ENVIRONMENT.  
SEVERE RISK APPEARS MINIMAL TONIGHT.  
 
..DARROW.. 01/01/2026  
 

 
 
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