951  
WHUS53 KGRR 150016  
SMWGRR  
LMZ844-878-150045-  
/O.NEW.KGRR.MA.W.0008.180515T0016Z-180515T0045Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
816 PM EDT MON MAY 14 2018  
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
NEARSHORE AND OPEN WATERS FROM ST JOSEPH TO SOUTH HAVEN MI...  
 
* UNTIL 845 PM EDT  
 
* AT 815 PM EDT, A STRONG THUNDERSTORM WAS LOCATED 11 NM WEST OF THE  
ST. JOSEPH LIGHT, MOVING EAST AT 40 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAZARDOUS CONDITIONS ABOVE DECK IN BRIEFLY HIGHER WINDS  
AND SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
THE ST. JOSEPH LIGHT AND ST. JOSEPH.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. MOVE TO SAFE HARBOR  
UNTIL THE STORM PASSES.  
 

 
 
LAT...LON 4213 8657 4213 8683 4222 8684 4236 8630  
4224 8636 4211 8649  
TIME...MOT...LOC 0015Z 260DEG 41KT 4213 8675  
 
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
CAS  
 
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