621  
ACUS01 KWNS 021957  
SWODY1  
SPC AC 021955  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0255 PM CDT THU OCT 02 2025  
 
VALID 022000Z - 031200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
SEVERE THUNDERSTORMS ARE NOT EXPECTED ACROSS THE CONTINENTAL U.S.  
TODAY OR TONIGHT.  
   
..20Z UPDATE
 
 
THE FORECAST REMAINS ON TRACK, AND MINIMAL CHANGES WERE MADE WITH  
THIS UPDATE. SEE THE PREVIOUS DISCUSSION BELOW FOR DETAILS.  
 
..WEINMAN.. 10/02/2025  
   
PREV DISCUSSION
 
/ISSUED 1130 AM CDT THU OCT 02 2025/  
   
..DISCUSSION
 
 
AN UPPER TROUGH WILL CONTINUE TO AMPLIFY AND BUILD SOUTHWARD ALONG  
THE WEST COAST, WITH PRECEDING HEIGHT FALLS OVER THE GREAT BASIN AND  
NORTHERN INTERMOUNTAIN WEST. SUFFICIENT MOISTURE WILL EXIST AHEAD OF  
A COLD FRONT, WITH MARGINAL BUOYANCY SUPPORTIVE OF ISOLATED  
THUNDERSTORMS LATER TODAY AND ESPECIALLY INTO TONIGHT FROM THE  
SIERRA AND GREAT BASIN TOWARD THE NORTHERN ROCKIES. A COUPLE OF  
STRONGER STORMS COULD MATERIALIZE, BUT SEVERE STORMS ARE NOT  
EXPECTED. ELSEWHERE, THUNDERSTORMS WILL ALSO BE POSSIBLE ACROSS THE  
UPPER MIDWEST AND LAKE SUPERIOR VICINITY, IN ADDITION TO FLORIDA AND  
THE LOWER/MIDDLE MISSISSIPPI VALLEY.  
 

 
 
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