276  
WHUS53 KLOT 281207  
SMWLOT  
LMZ777-779-281245-  
/O.NEW.KLOT.MA.W.0005.250328T1207Z-250328T1245Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
707 AM CDT FRI MAR 28 2025  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
 
OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
* UNTIL 745 AM CDT.  
 
* AT 706 AM CDT, A SEVERE THUNDERSTORM WAS LOCATED 15 NM NORTHEAST OF  
HARRISON-DEVER CRIB, MOVING EAST AT 35 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS AND LARGE HAIL.  
 
SOURCE...RADAR.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES. LARGE HAIL COULD RESULT IN  
STRUCTURAL DAMAGE.  
 
* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY OPEN WATERS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.  
WIND GUSTS 34 KNOTS OR GREATER, LARGE HAIL, HIGH WAVES, DANGEROUS  
LIGHTNING, AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM.  
 

 
 
LAT...LON 4203 8743 4225 8747 4229 8699 4213 8696  
4199 8697  
TIME...MOT...LOC 1206Z 272DEG 37KT 4210 8733  
 
HAIL...>.75IN  
WIND...>34KTS  
 

 
 
PETR  
 
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