482  
WHUS56 KMTR 131518  
SMWMTR  
PZZ540-570-131615-  
/O.NEW.KMTR.MA.W.0037.170913T1518Z-170913T1615Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE SAN FRANCISCO CA  
818 AM PDT WED SEP 13 2017  
 
THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED  
A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM POINT ARENA TO POINT REYES CALIFORNIA OUT TO 10  
NM...  
WATERS FROM POINT ARENA TO POINT REYES 10-60 NM...  
 
* UNTIL 915 AM PDT  
 
* AT 817 AM PDT...A STRONG THUNDERSTORM WAS LOCATED 39 NM SOUTHEAST  
OF POINT ARENA...MOVING SOUTHWEST AT 15 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER...FREQUENT LIGHTNING...  
AND SMALL HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* THE STRONG THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE...KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 3843 12311 3832 12306 3800 12325 3800 12394  
3859 12335  
TIME...MOT...LOC 1517Z 036DEG 17KT 3838 12318  
 
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
MEJIA  
 
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