931  
WHUS56 KSEW 141539  
SMWSEW  
PZZ156-176-141615-  
/O.NEW.KSEW.MA.W.0004.171114T1539Z-171114T1615Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SEATTLE WA  
739 AM PST TUE NOV 14 2017  
 
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...  
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER OUT 10 NM...  
 
* UNTIL 815 AM PST.  
 
* AT 738 AM PST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED 20 NM NORTHWEST OF CAPE SHOALWATER...OR 22  
NM NORTHWEST OF NORTH COVE...MOVING NORTH AT 30 KNOTS.  
 
HAZARD...WATERSPOUTS...WIND GUSTS 34 KNOTS OR GREATER...AND SMALL  
HAIL.  
 
SOURCE...DOPPLER 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.  
 
* 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 4680 12456 4681 12463 4717 12450 4708 12418  
TIME...MOT...LOC 1538Z 201DEG 31KT 4688 12455  
 
WATERSPOUT...POSSIBLE  
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
JOHNSON  
 
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