803  
WHUS52 KCHS 152235  
SMWCHS  
AMZ330-152315-  
/O.NEW.KCHS.MA.W.0020.180415T2235Z-180415T2315Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHARLESTON SC  
635 PM EDT SUN APR 15 2018  
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
CHARLESTON HARBOR...  
 
* UNTIL 715 PM EDT  
 
* AT 634 PM EDT, A THUNDERSTORM CAPABLE OF PRODUCING WATERSPOUTS WAS  
LOCATED NEAR STONO INSHORE REEF, OR 7 NM WEST OF WAPPOO CUT,  
MOVING EAST AT 35 KNOTS.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS 35 KNOTS OR GREATER.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY  
HIGHER WINDS AND SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
WAPPOO CUT... CASTLE PINKNEY...  
CRAB BANK... CHARLESTON HARBOR ENTRANCE...  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 

 
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FOR SOUTHEASTERN  
SOUTH CAROLINA.  
 
LAT...LON 3276 7982 3275 7984 3275 7986 3274 7987  
3272 7987 3271 7990 3277 7999 3280 7997  
3284 7996 3284 7995 3285 7990  
TIME...MOT...LOC 2234Z 248DEG 37KT 3273 8008  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
CB  
 
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