741  
ACUS01 KWNS 270526  
SWODY1  
SPC AC 270524  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1124 PM CST FRI DEC 26 2025  
 
VALID 271200Z - 281200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST  
 
   
..SUMMARY  
 
LITTLE THUNDERSTORM ACTIVITY IS FORECAST ACROSS THE CONTIGUOUS U.S.  
TODAY. A FEW THUNDERSTORMS MAY OCCUR FROM EASTERN KANSAS INTO  
NORTHERN MISSOURI TOWARD SUNDAY MORNING.  
   
..SYNOPSIS AND DISCUSSION  
 
MOST OF THE CONUS WILL REMAIN FREE OF THUNDERSTORMS FOR MUCH OF THE  
DAY AS A WESTERN TROUGH PROGRESSES INTO THE PLAINS LATE TONIGHT INTO  
SUNDAY. AHEAD OF THIS TROUGH, UPPER RIDGING WILL OCCUR OVER THE  
MS/OH VALLEYS WITH LOW-LEVEL WARMING AND MOISTURE ADVECTION. LOW 60S  
F DEWPOINTS WILL STREAM NORTH OUT OF THE SOUTHERN PLAINS AND LOWER  
MS VALLEY TOWARD THE LOWER MO/MID MS VALLEY LATE. THIS AIR MASS WILL  
REMAIN CAPPED FOR MOST OF THE PERIOD.  
 
AFTER ABOUT 06Z TONIGHT, MIDLEVEL COOLING WILL BE MORE PROMINENT  
INTO KS/NE/IA, WITH A ZONE OF ELEVATED INSTABILITY BECOMING  
UNCAPPED. WHILE EFFECTIVE SHEAR WILL BE STRONG, INSTABILITY SHOULD  
ONLY AVERAGE AT OR BELOW 500 J/KG. CAMS SUGGEST STORMS MAY DEVELOP  
AFTER 08Z OVER NORTHEAST KS AND MOVE INTO NORTHERN MO THROUGH 12Z  
SUNDAY. IT APPEARS THAT ANY HAIL RISK WILL BE NON-SEVERE/SMALL.  
 
..JEWELL/KARSTENS.. 12/27/2025  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page