960  
ACUS11 KWNS 101331  
SWOMCD  
SPC MCD 101331  
SCZ000-101530-  
 
MESOSCALE DISCUSSION 1239  
NWS STORM PREDICTION CENTER NORMAN OK  
0831 AM CDT TUE JUN 10 2025  
 
AREAS AFFECTED...SOUTH CAROLINA COASTAL PLAIN  
 
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY  
 
VALID 101331Z - 101530Z  
 
PROBABILITY OF WATCH ISSUANCE...20 PERCENT  
 
SUMMARY...STRONG TO LOCALIZED DAMAGING GUSTS (45-60 MPH) MAY BECOME  
MORE PREVALENT THIS MORNING AS 0-2 KM LAPSE RATES STEEPEN.  
 
DISCUSSION...AN ORGANIZED THUNDERSTORM CLUSTER OVER THE LOW COUNTRY  
OF SOUTH CAROLINA IS MOVING NORTHEAST AT 40 KT, SLIGHTLY EXCEEDING  
THE MEAN WIND (REFERENCE 12 UTC CHARLESTON RAOB; 35 KT), AND LIKELY  
A RESULT OF COLD POOL DRIVEN PROCESSES. SURFACE OBSERVATIONS ALONG  
THE IMMEDIATE COAST HAVE WARMED TO NEAR 80 DEG F WITH SCATTERED TO  
BROKEN CLOUDS. ALTHOUGH WEAK BUOYANCY (600 J/KG MUCAPE) WAS NOTED  
IN THE RAOB, MODIFYING FOR CURRENT SURFACE OBSERVATIONS YIELDS  
AROUND 1900 J/KG MUCAPE. AROUND 40-KT FLOW WAS OBSERVED ON THE  
CHARLESTON RAOB, AND A RECENT STRENGTHENING IN 1-3 KM FLOW FROM 20  
KT TO 55 KT IN THIS LAYER PER KCLX VAD DATA, SUGGESTS APPRECIABLE  
ORGANIZATION TO THE THUNDERSTORM BAND. SOME UPTICK IN DAMAGING  
GUSTS MAY OCCUR AS ADDITIONAL HEATING OCCURS AHEAD OF THIS ACTIVITY,  
BUT THE OVERALL MAGNITUDE AND SMALL SPATIAL SCALE LIKELY PRECLUDE A  
SEVERE THUNDERSTORM WATCH ISSUANCE.  
 
..SMITH/MOSIER.. 06/10/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...ILM...CHS...CAE...  
 
LAT...LON 32878132 33448025 33787940 33707898 33347891 32138058  
32158082 32878132  
 
MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SPC Page
Main Text Page