061  
ACUS01 KWNS 230031  
SWODY1  
SPC AC 230029  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0729 PM CDT WED OCT 22 2025  
 
VALID 230100Z - 231200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
ISOLATED THUNDERSTORMS ARE POSSIBLE, PRIMARILY ACROSS PORTIONS OF  
THE SOUTHWESTERN U.S., THIS EVENING.  
   
..01Z UPDATE
 
 
WATER-VAPOR IMAGERY DEPICTS AN UPPER LOW ADVANCING INLAND ACROSS  
SOUTHERN CA. THIS FEATURE WILL MOVE INTO NORTHWESTERN AZ BY 23/12Z  
AS 500MB SPEED MAX TRANSLATES ACROSS THE LOWER CO RIVER VALLEY INTO  
EASTERN AZ LATE TONIGHT. ALONG/NORTH OF THIS JET, COOL MIDLEVEL  
TEMPERATURES AND STEEP LAPSE RATES ARE PROVING FAVORABLE FOR  
ISOLATED THUNDERSTORMS. WHILE NOCTURNAL COOLING SHOULD LEAD TO  
WEAKER UPDRAFTS AND LESS LIGHTNING BY LATE EVENING, A FEW FLASHES  
MAY CONTINUE TO ACCOMPANY ELEVATED CONVECTION THAT FORMS IN RESPONSE  
TO MOISTENING MIDLEVELS AHEAD OF THE TROUGH.  
 
..DARROW.. 10/23/2025  
 

 
 
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