098  
ACUS01 KWNS 290050  
SWODY1  
SPC AC 290048  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0748 PM CDT MON SEP 28 2026  
 
VALID 290100Z - 291200Z  
 
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE  
WESTERN/CENTRAL DAKOTAS AND CENTRAL HIGH PLAINS...  
   
..SUMMARY  
 
ISOLATED STRONG TO LOCALLY SEVERE STORMS REMAIN POSSIBLE THIS  
EVENING ACROSS PARTS OF THE WESTERN/CENTRAL DAKOTAS AND ALSO THE  
CENTRAL HIGH PLAINS.  
   
..PARTS OF THE DAKOTAS INTO THE CENTRAL HIGH PLAINS  
 
WIDELY SCATTERED STRONG THUNDERSTORMS ARE ONGOING THIS EVENING FROM  
EASTERN ND INTO WESTERN SD. WHILE LOW/MIDLEVEL LAPSE RATES ARE  
GENERALLY WEAK, RELATIVELY RICH LOW-LEVEL MOISTURE IS SUPPORTING  
MLCAPE OF NEAR/ABOVE 1000 J/KG, WITH 25-35 KT OF EFFECTIVE SHEAR  
SUFFICIENT FOR OCCASIONAL STORM ORGANIZATION. ISOLATED HAIL AND  
STRONG TO SEVERE GUSTS CANNOT BE RULED OUT THIS EVENING, THOUGH A  
WEAKENING TREND IS EXPECTED LATER TONIGHT AS CONVECTION BECOMES  
INCREASINGLY ELEVATED WITH TIME.  
 
FARTHER SOUTH, ISOLATED STRONG STORMS ARE ONGOING THIS EVENING  
ACROSS PARTS OF NORTHWEST NE, AND ALSO NEAR THE CO/KS BORDER.  
OCCASIONAL SUPERCELL STRUCTURES WILL BE POSSIBLE THROUGH DUSK,  
THOUGH MODEST LAPSE RATES AND BUOYANCY MAY TEND TO LIMIT THE  
MAGNITUDE OF THE SEVERE THREAT. SEE MCD 2332 FOR MORE INFORMATION  
REGARDING THE SHORT-TERM THREAT IN THIS AREA.  
 
..DEAN.. 09/29/2026  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page