867  
ACUS01 KWNS 070520  
SWODY1  
SPC AC 070519  
 
DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1219 AM CDT SUN SEP 07 2025  
 
VALID 071200Z - 081200Z  
 
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS  
OF THE CENTRAL AND SOUTHERN HIGH PLAINS...  
   
..SUMMARY
 
 
SOME WIND AND HAIL RISK IS EXPECTED WITH THUNDERSTORMS ACROSS  
PORTIONS OF THE CENTRAL AND SOUTHERN HIGH PLAINS.  
   
..CENTRAL/SOUTHERN HIGH PLAINS
 
 
A FEW NOTABLE DISTURBANCES WILL TOP THE WESTERN U.S. RIDGE AND DIG  
SOUTHEAST TOWARD THE CENTRAL HIGH PLAINS LATER TODAY. MODEST  
MIDLEVEL FLOW WILL BE NOTED ACROSS THIS REGION, AND A LLJ IS  
EXPECTED TO RESPOND AND INCREASE FROM THE TX PANHANDLE ACROSS  
WESTERN KS DURING THE EVENING. LATEST MODEL GUIDANCE DEPICTS STRONG  
BOUNDARY-LAYER HEATING ACROSS EASTERN NM/CO WHICH SHOULD ALLOW  
SURFACE TEMPERATURES TO WARM INTO THE LOWER 80S. FORECAST SOUNDINGS  
SUGGEST CONVECTIVE TEMPERATURES WILL BE BREACHED BY 22Z AND STEEP  
LOW-LEVEL LAPSE RATES WILL PROVE BENEFICIAL FOR SCATTERED  
THUNDERSTORM DEVELOPMENT BY LATE AFTERNOON. 0-6KM BULK SHEAR IS  
EXPECTED TO BE ON THE ORDER OF 35KT, SO A FEW ORGANIZED UPDRAFTS MAY  
TAKE ON SUPERCELL CHARACTERISTICS. IF SO, ISOLATED HAIL AND GUSTY  
WINDS ARE POSSIBLE. INCREASING LLJ AFTER SUNSET FAVORS THIS ACTIVITY  
SPREADING SOUTHEAST TOWARD WESTERN KS AND THE OK/TX PANHANDLES.  
 
..DARROW/SQUITIERI.. 09/07/2025  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SPC Page Main Text Page