036  
ACUS02 KWNS 170535  
SWODY2  
SPC AC 170533  
 
DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1233 AM CDT WED SEP 17 2025  
 
VALID 181200Z - 191200Z  
   
..NO SEVERE THUNDERSTORM AREAS FORECAST
 
 
   
..SUMMARY
 
 
SEVERE THUNDERSTORMS ARE NOT FORECAST ON THURSDAY.  
   
..SYNOPSIS
 
 
AN UPPER LOW WILL PERSIST OVER THE NORTHERN PLAINS WHILE AN  
ATTENDANT SHORTWAVE TROUGH MOVES ACROSS THE CENTRAL PLAINS TOWARD  
THE MID/LOWER MO VALLEY VICINITY ON THURSDAY. AT THE SURFACE, WEAK  
LOW PRESSURE WILL BE IN PLACE ACROSS EASTERN PORTIONS OF THE PLAINS  
INTO THE MO/MS VALLEY VICINITY. UPPER 50S TO MID-60S F DEWPOINTS  
WILL PERSIST ACROSS THE EASTERN PLAINS TO THE OZARKS AND NORTHERN  
INTO PARTS OF THE UPPER MIDWEST. THIS WILL SUPPORT POCKETS OF WEAK  
TO MODERATE DESTABILIZATION, PARTICULARLY ACROSS EASTERN OK/KS INTO  
THE OZARKS, AND NORTHWARD INTO IA. SCATTERED DIURNAL THUNDERSTORM  
ACTIVITY WILL DEVELOP WITHIN THIS MODEST MOISTURE AND INSTABILITY.  
HOWEVER, NEBULOUS FORCING FOR ASCENT, WEAK VERTICAL SHEAR, AND  
GENERALLY POOR LAPSE RATES WILL PRECLUDE ORGANIZED SEVERE POTENTIAL.  
 
..LEITMAN.. 09/17/2025  
 

 
 
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