105  
ACUS02 KWNS 281729  
SWODY2  
SPC AC 281727  
 
DAY 2 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
1227 PM CDT TUE JUL 28 2026  
 
VALID 291200Z - 301200Z  
 
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM SOUTHERN  
GEORGIA INTO MUCH OF NORTHERN FLORIDA INCLUDING THE PANHANDLE...AND  
FROM FAR EASTERN MONTANA INTO PARTS OF THE WESTERN DAKOTAS...  
   
..SUMMARY  
 
SCATTERED SEVERE STORMS CAPABLE OF MAINLY DAMAGING WINDS ARE  
POSSIBLE WEDNESDAY AFTERNOON AND EARLY EVENING OVER SOUTHERN  
GEORGIA, NORTHERN FLORIDA AND THE FLORIDA PANHANDLE. ISOLATED SEVERE  
STORMS CAPABLE OF DAMAGING GUSTS AND LARGE HAIL MAY OCCUR OVER THE  
NORTHERN HIGH PLAINS WEDNESDAY AFTERNOON AND EVENING.  
   
..SOUTHERN GA AND AL...NORTHERN FL AND THE FL PANHANDLE  
 
A SLOW MOVING UPPER TROUGH WILL BEGIN TO WEAKEN/FILL ON WEDNESDAY  
OVER THE EASTERN STATES, WITH UPPER LOW CENTERED OVER NY. A COLD  
FRONT WILL PRIMARILY BE OFFSHORE, BUT THE TAIL END WILL EXTEND  
WESTWARD ACROSS GA/FL. AHEAD OF THE FRONT, 70S F DEWPOINTS AND  
STRONG HEATING WILL LEAD TO STRONG INSTABILITY, WITH MLCAPE POSSIBLY  
REACHING 4000 J/KG. THIS HIGH PWAT ENVIRONMENT ALONG WITH FAVORABLE  
TIME OF DAY NEAR PEAK HEATING WILL YIELD SEVERE WIND POTENTIAL AS  
STORMS DEVELOP NEAR THE COLD FRONT DURING THE AFTERNOON.  
 
WHILE SHEAR WILL BE WEAK, MODEST WESTERLY MEAN WINDS ALOFT SHOULD  
SUPPORT A GENERAL SOUTHEASTWARD STORM MOTION WITH MULTICELLS AND  
MERGING OUTFLOWS EXPECTED. THE PRIMARY CONCENTRATION OF STORMS  
SHOULD BE FROM FAR SOUTHERN GA INTO THE FL PANHANDLE AND NORTHERN  
FL, AND PERHAPS INTO FAR SOUTHEAST AL. ADDITIONAL DAYTIME ACTIVITY  
IS LIKELY FARTHER NORTHWEST ACROSS MA AND AR AS WELL, THOUGH  
LARGE-SCALE SUPPORT WILL BE LESS. STILL, AREAS OF STRONG INSTABILITY  
COULD YIELD SCATTERED STRONG GUSTS THERE.  
   
..NORTHERN HIGH PLAINS  
 
A SURFACE TROUGH WILL DEEPEN FROM EASTERN MT INTO WY DURING THE  
AFTERNOON WITH STRONG HEATING AND STEEP LOW-LEVEL LAPSE RATES  
DEVELOPING. THIS AREA WILL ALSO BE AFFECTED BY A DISTURBANCE ALOFT  
ROUNDING THE UPPER RIDGE AND ENHANCING MID/UPPER WINDS AND  
DEEP-LAYER SHEAR. SOUTHEASTERLY LOW-LEVEL WINDS WILL MAINTAIN  
SUFFICIENT MOISTURE INTO THE REGION TO SUPPORT 1000-1500 J/KG MLCAPE  
EVEN AS THE BOUNDARY LAYER MIXES WITH HEATING. STORMS WILL FORM OVER  
EASTERN MT AND WY AFTER 21Z AND MOVE INTO THE WESTERN DAKOTAS  
THROUGH EARLY EVENING, WITH DAMAGING WIND POTENTIAL. ISOLATED HAIL  
MAY OCCUR AS WELL AS MID/UPPER LAPSE RATES REMAIN STEEP, AND HIGH  
LEVEL WINDS INCREASE, ELONGATING HODOGRAPHS.  
 
..JEWELL.. 07/28/2026  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page