601  
WHUS52 KTAE 210836  
SMWTAE  
GMZ730-755-210900-  
/O.NEW.KTAE.MA.W.0080.180521T0836Z-180521T0900Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE TALLAHASSEE FL  
436 AM EDT MON MAY 21 2018  
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
APALACHEE BAY OR COASTAL WATERS FROM KEATON BEACH TO OCHLOCKONEE  
RIVER FL OUT TO 20 NM...  
COASTAL WATERS FROM OCHLOCKONEE RIVER TO APALACHICOLA FL OUT TO 20  
NM...  
 
* UNTIL 500 AM EDT.  
 
* AT 436 AM EDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED 11 NM WEST OF MARKER 24 BARGE, MOVING  
NORTHWEST AT 50 KNOTS.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...WATERSPOUTS CAN QUICKLY FORM AND CAPSIZE BOATS...DAMAGE  
VESSELS...AND CREATE SUDDENLY HIGHER WAVES. MAKE SURE ALL  
ON BOARD ARE IN A SECURE LOCATION AND WEARING LIFE  
JACKETS. EXPECT WIND GUSTS IN EXCESS OF 34  
KNOTS...SUDDENLY HIGHER WAVES...FREQUENT LIGHTNING...AND  
HEAVY DOWNPOURS. MAKE SURE ALL ON BOARD ARE WEARING LIFE  
JACKETS.  
 
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 

 
 
LAT...LON 3006 8436 2983 8428 2980 8440 2994 8453  
2996 8449 2997 8448  
TIME...MOT...LOC 0836Z 156DEG 49KT 2989 8437  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
ADL  
 
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