652  
WHUS56 KEKA 012241  
SMWEKA  
PZZ410-415-450-455-470-475-012315-  
/O.NEW.KEKA.MA.W.0030.240301T2241Z-240301T2315Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE EUREKA CA  
241 PM PST FRI MAR 1 2024  
 
THE NATIONAL WEATHER SERVICE IN EUREKA CALIFORNIA HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
COASTAL WATERS FROM CAPE MENDOCINO TO PT. ARENA CA OUT 10 NM...  
COASTAL WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA OUT 10  
NM...  
HUMBOLDT BAY...  
HUMBOLDT BAY BAR...  
WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO 60 NM...  
WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA FROM 10 TO 60 NM...  
 
* UNTIL 315 PM PST.  
 
* AT 240 PM PST, SEVERE THUNDERSTORMS CAPABLE OF PRODUCING  
WATERSPOUTS WERE LOCATED ALONG A LINE EXTENDING FROM 30 NM  
SOUTHWEST OF PT. ST. GEORGE TO 16 NM WEST OF CAPE MENDOCINO, MOVING  
NORTHEAST AT 30 KNOTS.  
 
HAZARD...WATERSPOUTS, WIND GUSTS IN EXCESS OF 50 KNOTS, AND SMALL  
HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY  
HAZARDOUS SEAS. BOATS COULD SUFFER SIGNIFICANT STRUCTURAL  
DAMAGE IN HIGH WINDS. SMALL CRAFT COULD CAPSIZE IN  
SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
TRINIDAD HEAD, CAPE MENDOCINO, EUREKA, AND CRESCENT CITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 4172 12415 4145 12406 4114 12416 4098 12412  
4076 12423 4087 12415 4085 12409 4083 12408  
4080 12418 4070 12421 4070 12427 4071 12427  
4044 12441 4026 12436 4006 12408 4002 12481  
4178 12483 4178 12426  
TIME...MOT...LOC 2240Z 223DEG 41KT 4143 12474 4053 12474  
 
WATERSPOUT...POSSIBLE  
HAIL...<.75IN  
WIND...50KTS  
 

 
 
ZVS  
 
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