109  
ACUS01 KWNS 300053  
SWODY1  
SPC AC 300051  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0751 PM CDT MON JUN 29 2026  
 
VALID 300100Z - 301200Z  
 
...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE  
MIDWEST AND CENTRAL PLAINS...  
   
..SUMMARY  
 
SEVERE THUNDERSTORMS ARE EXPECTED THIS EVENING ACROSS THE DAKOTAS,  
UPPER MIDWEST AND MIDDLE MISSOURI VALLEY, INCLUDING DAMAGING WINDS,  
LARGE HAIL AND A FEW TORNADOES.  
   
..NORTHERN PLAINS AND MIDWEST  
 
THUNDERSTORM ACTIVITY HAS INITIATED ACROSS EASTERN NEBRASKA NEAR THE  
COLD FRONT THIS EVENING, WITH ADDITIONAL AREAS OF TOWERING CU NOTED  
INTO NORTHERN KANSAS. AS THE LOW-LEVEL JET STRENGTHENS AND ASCENT  
INCREASES WITH THE APPROACHING WAVE, IT IS LIKELY ADDITIONAL  
THUNDERSTORM DEVELOPMENT WILL OCCUR INTO THE EVENING. GUIDANCE  
SUGGESTS THAT A MIX OF SUPERCELLS AND MULTI-CELL CLUSTERS WILL  
EMERGE AND SPREAD EAST NORTHEASTWARD INTO FAR SOUTHEASTERN  
SD/NORTHWESTERN IA AND WESTERN MN. STRONG TO EXTREME INSTABILITY AND  
STEEP LAPSE RATES DOWNSTREAM WILL LIKELY SUPPORT POTENTIAL FOR  
DAMAGING WIND, WITH SOME SIGNIFICANT GUSTS 75+ MPH POSSIBLE. LARGE  
TO VERY LARGE HAIL WILL ALSO BE POSSIBLE WHERE SUPERCELLS CAN  
MAINTAIN SEMI-DISCRETE MODE. AN UPGRADE TO ENHANCED WAS MADE WITH  
THIS UPDATE TO ACCOUNT FOR THIS POTENTIAL. SEE MCD#1386 FOR  
ADDITIONAL INFORMATION ON THE SHORT TERM SEVERE POTENTIAL.  
 
FURTHER NORTH ACROSS EASTERN NORTH DAKOTA INTO WESTERN/CENTRAL  
MINNESOTA NEAR THE SURFACE LOW/WARM FRONT INTERFACE, POTENTIAL WILL  
CONTINUE FOR SUPERCELLS CAPABLE OF ALL HAZARDS INCLUDING LARGE HAIL,  
DAMAGING WIND, AND STRONG TORNADOES. SEE MCD#1387 FOR MORE  
INFORMATION.  
   
..SOUTHWEST TEXAS TO THE TEXAS/OKLAHOMA PANHANDLES  
 
THUNDERSTORM ACTIVITY CONTINUES ACROSS SOUTHWESTERN TEXAS INTO THE  
TEXAS/OKLAHOMA PANHANDLES NEAR THE DRYLINE. VERY WARM TEMPERATURES  
AND DRY MIXED BOUNDARY LAYER CONDITIONS WILL CONTINUE TO POSE SOME  
POTENTIAL FOR DAMAGING WINDS UNTIL SUNSET THIS EVENING.  
   
..GEORGIA INTO NORTHERN FLORIDA PENINSULA  
 
A CLUSTER OF THUNDERSTORMS CONTINUES TO MOVE SOUTHWESTWARD ACROSS  
SOUTHERN/CENTRAL GEORGIA THIS EVENING. AHEAD OF THIS CLUSTER, HOT  
AND MODERATELY UNSTABLE CONDITIONS WILL CONTINUE TO POSE POTENTIAL  
FOR WATER LOADED DOWNDRAFTS THAT MY PRODUCE STRONG TO SEVERE WINDS.  
 
..THORNTON.. 06/30/2026  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page