551  
WHUS52 KCHS 112043  
SMWCHS  
AMZ350-370-112145-  
/O.NEW.KCHS.MA.W.0144.170911T2043Z-170911T2145Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHARLESTON SC  
443 PM EDT MON SEP 11 2017  
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20  
NM...  
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING FROM  
20 NM TO 40 NM...  
 
* UNTIL 545 PM EDT  
 
* AT 443 PM EDT...A SEVERE THUNDERSTORM PRODUCING WATERSPOUTS WAS  
LOCATED 21 NM EAST OF Y-73 REEF...OR 22 NM SOUTH OF GREENVILLE  
REEF...MOVING NORTHWEST AT 45 KNOTS.  
 
HAZARD...WATERSPOUTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS.  
 
* LOCATIONS IMPACTED INCLUDE...  
HECTOR REEF... CAPE ROMAIN REEF...  
JIMMY LELAND TUG... SOUTH SANTEE RIVER ENTRANCE...  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 

 
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR SOUTHEASTERN  
SOUTH CAROLINA.  
 
LAT...LON 3297 7897 3266 7876 3247 7897 3303 7956  
3307 7950 3303 7946 3303 7940 3311 7936  
3312 7927  
TIME...MOT...LOC 2043Z 153DEG 44KT 3258 7890  
 
WATERSPOUT...OBSERVED  
HAIL...0.00IN  
WIND...<34KTS  
 

 
 
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