096  
WHUS53 KLOT 102120  
SMWLOT  
LMZ740-777-779-102315-  
/O.NEW.KLOT.MA.W.0048.170810T2120Z-170810T2315Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
420 PM CDT THU AUG 10 2017  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
NEARSHORE WATERS FROM WINTHROP HARBOR TO WILMETTE HARBOR...  
OPEN WATERS FROM WINTHROP HARBOR TO MICHIGAN CITY OUT TO MID  
LAKE...  
 
* UNTIL 615 PM CDT  
 
* AT 419 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 27 NM WEST OF  
PLEASANT PRAIRIE...MOVING EAST AT 30 KNOTS.  
 
HAZARD...WIND GUSTS TO NEARLY 50 KNOTS AND LARGE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES. LARGE HAIL COULD RESULT IN  
STRUCTURAL DAMAGE.  
 
* LOCATIONS IMPACTED INCLUDE...  
WINTHROP HARBOR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 
BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY UNTIL THIS STORM PASSES.  
WIND GUSTS TO NEARLY 50 KNOTS...LARGE HAIL...HIGH WAVES...DANGEROUS  
LIGHTNING...AND HEAVY RAIN ARE POSSIBLE WITH THIS STORM.  
 

 
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR  
NORTHEASTERN ILLINOIS.  
 
LAT...LON 4246 8717 4198 8721 4208 8759 4211 8760  
4209 8764 4212 8774 4221 8780 4229 8783  
4230 8783 4231 8782 4233 8782 4233 8783  
4237 8783 4237 8782 4236 8782 4238 8781  
4239 8780 4248 8780  
TIME...MOT...LOC 2119Z 284DEG 29KT 4243 8853  
 
HAIL...>.75IN  
WIND...49KTS  
 

 
 
KREIN  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page