921  
WHUS56 KSEW 202331  
SMWSEW  
PZZ173-176-210000-  
/O.NEW.KSEW.MA.W.0007.241120T2331Z-241121T0000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SEATTLE WA  
331 PM PST WED NOV 20 2024  
 
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER 10 TO 60  
NM...  
WATERS FROM JAMES ISLAND TO POINT GRENVILLE 10 TO 60 NM...  
 
* UNTIL 400 PM PST.  
 
* AT 331 PM PST, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED 27 NM WEST OF POINT GRENVILLE, MOVING  
NORTHEAST AT 35 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...  
 
THUNDERSTORMS CAN PRODUCE SUDDEN WATERSPOUTS. WATERSPOUTS CAN EASILY  
OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SEEK SAFE HARBOR  
IMMEDIATELY.  
 

 
 
LAT...LON 4721 12487 4730 12511 4762 12483 4754 12465  
TIME...MOT...LOC 2331Z 208DEG 36KT 4733 12494  
 
WATERSPOUT...POSSIBLE  
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
KRISTELL  
 
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