622  
WHUS54 KLIX 231547  
SMWLIX  
GMZ550-231630-  
/O.NEW.KLIX.MA.W.0455.200923T1547Z-200923T1630Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
1047 AM CDT WED SEP 23 2020  
 
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM PORT FOURCHON LA TO LOWER ATCHAFALAYA RIVER LA  
OUT 20 NM...  
 
* UNTIL 1130 AM CDT.  
 
* AT 1046 AM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED 11 NM SOUTHEAST OF ISLE DERNIERS. THE  
SEVERE THUNDERSTORM WAS NEARLY STATIONARY.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR.  
 
IMPACT...WATERSPOUTS CAN QUICKLY FORM AND CAPSIZE BOATS...DAMAGE  
VESSELS AND OIL RIGS...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 AND SUDDENLY HIGHER WAVES. BOATS COULD SUSTAIN  
DAMAGE OR CAPSIZE. MAKE SURE ALL ON BOARD ARE WEARING  
LIFE JACKETS. RETURN TO SAFE HARBOR IF POSSIBLE.  
 
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR IMMEDIATELY AS GUSTY WINDS AND HIGH WAVES ARE  
EXPECTED.  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 

 
 
LAT...LON 2888 9052 2886 9072 2908 9080 2910 9049  
TIME...MOT...LOC 1546Z 174DEG 4KT 2895 9063  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
RR  
 
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