532  
WHUS52 KMFL 100637  
SMWMFL  
AMZ671-100730-  
/O.NEW.KMFL.MA.W.0487.211010T0637Z-211010T0730Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE MIAMI FL  
237 AM EDT SUN OCT 10 2021  
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
WATERS FROM DEERFIELD BEACH TO OCEAN REEF FL FROM 20 TO 60 NM  
EXCLUDING THE TERRITORIAL WATERS OF BAHAMAS...  
 
* UNTIL 330 AM EDT.  
 
* AT 236 AM EDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED 41 NM EAST OF PACIFIC REEF, MOVING EAST AT  
15 KNOTS.  
 
HAZARD...WATERSPOUTS, WIND GUSTS 34 KNOTS OR GREATER, AND SMALL  
HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY  
HIGHER WINDS AND SUDDENLY HIGHER WAVES.  
 
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.  
WIND GUSTS 34 KNOTS OR GREATER, SMALL HAIL, HIGH WAVES, DANGEROUS  
LIGHTNING, AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM.  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 
REPORT SEVERE WEATHER TO THE COAST GUARD OR THE NATIONAL WEATHER  
SERVICE. YOU CAN ALSO SHARE YOUR REPORT WITH NWS MIAMI ON FACEBOOK  
AND TWITTER.  
 

 
 
LAT...LON 2546 7918 2535 7919 2516 7923 2495 7933  
2511 7963 2555 7935 2555 7915  
TIME...MOT...LOC 0636Z 287DEG 15KT 2519 7940  
 
WATERSPOUT...POSSIBLE  
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
RAG  
 
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