699  
WHUS53 KLOT 112224  
SMWLOT  
LMZ742>745-779-120000-  
/O.NEW.KLOT.MA.W.0048.211011T2224Z-211012T0000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE  
524 PM CDT MON OCT 11 2021  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
 
NEARSHORE WATERS FROM NORTHERLY ISLAND TO CALUMET HARBOR...  
NEARSHORE WATERS FROM CALUMET HARBOR TO MICHIGAN CITY...  
OPEN WATERS FROM WILMETTE HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
* UNTIL 700 PM CDT.  
 
* AT 523 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING  
WATERSPOUTS WAS LOCATED NEAR INDIANA HARBOR, MOVING NORTHEAST AT 25  
KNOTS.  
 
HAZARD...WATERSPOUTS AND WIND GUSTS 34 KNOTS OR GREATER.  
 
SOURCE...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.  
 
* LOCATIONS IMPACTED INCLUDE...  
CALUMET HARBOR, INDIANA HARBOR, BURNS HARBOR, MARINA SHORES AT DUNE  
HARBOR AND HAMMOND MARINA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTHEASTERN  
ILLINOIS...NORTHWESTERN INDIANA...AND THE ADJACENT WATERS OF LAKE  
MICHIGAN.  
 

 
 
LAT...LON 4162 8733 4164 8743 4165 8744 4167 8742  
4168 8743 4167 8744 4170 8751 4171 8753  
4175 8753 4212 8696 4179 8697 4179 8696  
4172 8692 4165 8711 4165 8714 4163 8716  
4164 8716 4162 8732 4161 8732  
TIME...MOT...LOC 2223Z 206DEG 27KT 4157 8749  
 
WATERSPOUT...POSSIBLE  
HAIL...0.00IN  
WIND...>34KTS  
 

 
 
PETR  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page