556  
WUUS52 KGSP 180021  
SVRGSP  
NCC089-149-175-SCC007-045-073-077-180100-  
/O.NEW.KGSP.SV.W.0254.260818T0021Z-260818T0100Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC  
821 PM EDT MON AUG 17 2026  
 
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN TRANSYLVANIA COUNTY IN WESTERN NORTH CAROLINA...  
SOUTHEASTERN HENDERSON COUNTY IN WESTERN NORTH CAROLINA...  
SOUTHWESTERN POLK COUNTY IN WESTERN NORTH CAROLINA...  
GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...  
NORTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA...  
PICKENS COUNTY IN UPSTATE SOUTH CAROLINA...  
NORTHEASTERN OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...  
 
* UNTIL 900 PM EDT.  
 
* AT 820 PM EDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 4 MILES WEST OF HENDERSONVILLE TO 9 MILES NORTHEAST  
OF WALHALLA, MOVING SOUTHEAST AT 35 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO TREES AND POWER LINES.  
 
* LOCATIONS IMPACTED INCLUDE...  
GREENVILLE DOWNTOWN, EASLEY, CLEMSON, HENDERSONVILLE, PICKENS,  
GREENVILLE EASTSIDE, WEST GREENVILLE, GREER, TAYLORS, AND BEREA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
IF ON OR NEAR LAKE KEOWEE, GET AWAY FROM THE WATER AND MOVE INDOORS  
OR INSIDE A VEHICLE. REMEMBER, LIGHTNING CAN STRIKE OUT TO 15 MILES  
FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER, YOU ARE CLOSE  
ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW! DO NOT  
BE CAUGHT ON THE WATER IN A THUNDERSTORM.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 
PLEASE REPORT DAMAGING WINDS, HAIL, OR FLOODING TO THE NATIONAL  
WEATHER SERVICE BY CALLING TOLL FREE, 1, 800, 2 6 7, 8 1 0 1, OR BY  
POSTING ON OUR FACEBOOK PAGE, OR POST IT TO X USING HASHTAG NWSGSP.  
YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND THE SPECIFIC LOCATION  
WHERE IT OCCURRED.  
 

 
 
LAT...LON 3445 8275 3485 8306 3537 8250 3519 8222  
3489 8222  
TIME...MOT...LOC 0020Z 318DEG 31KT 3530 8254 3489 8298  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
ARK  
 
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