320  
ACUS01 KWNS 140041  
SWODY1  
SPC AC 140039  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0639 PM CST SAT DEC 13 2025  
 
VALID 140100Z - 141200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
SEVERE THUNDERSTORMS ARE NOT EXPECTED TONIGHT.  
   
..01Z UPDATE
 
 
SURFACE FRONT HAS SURGED INTO CENTRAL TX, ARCING ACROSS NORTHERN LA  
INTO CENTRAL MS EARLY THIS EVENING. ISOLATED THUNDERSTORMS HAVE  
DEVELOPED AHEAD OF THIS BOUNDARY OVER EAST TX AND ACROSS NORTHERN  
IL. THIS ACTIVITY SHOULD GRADUALLY INCREASE IN AREAL COVERAGE AS THE  
FRONT ADVANCES TOWARD THE NORTHWEST GULF COAST. 00Z SOUNDINGS FROM  
SHV AND LCH EXHIBIT SUFFICIENT BUOYANCY FOR LIGHTING WITHIN DEEP  
CONVECTION, BUT PROFILES DO NOT FAVOR PARTICULARLY ROBUST  
THUNDERSTORMS AND SEVERE IS NOT ANTICIPATED.  
 
SCATTERED-NUMEROUS THUNDERSTORM CLUSTERS ARE CURRENTLY NOTED ACROSS  
THE FL STRAITS WITHIN A SEASONALLY HIGH PW AIR MASS CHARACTERIZED BY  
WEAK BUOYANCY. EARLY-EVENING WATER-VAPOR IMAGERY DEPICTS A NOTABLE  
SHORT-WAVE TROUGH OVER THE EASTERN GULF BASIN. THIS FEATURE SHOULD  
CONTINUE TO SUPPORT CONVECTION ACROSS THE STRAITS AND THE SOUTHERN  
FL PENINSULA TONIGHT.  
 
..DARROW.. 12/14/2025  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page