181  
WHUS53 KMKX 200637  
SMWMKX  
LMZ643>646-669-671-673-675-200800-  
/O.NEW.KMKX.MA.W.0009.170420T0637Z-170420T0800Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
137 AM CDT THU APR 20 2017  
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
LAKE MICHIGAN NEARSHORE AND OPEN WATERS TO MID LAKE FROM SHEBOYGAN  
WI TO WINTHROP HARBOR IL...  
 
* UNTIL 300 AM CDT  
 
* AT 135 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR CLEVELAND TO 20 NM WEST OF MILWAUKEE TO 46 NM  
WEST OF PLEASANT PRAIRIE...MOVING EAST AT 60 KNOTS.  
 
HAZARD...WIND GUSTS TO 40 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
* STRONG THUNDERSTORMS WILL AFFECT THE NEARSHORE AND ADJACENT OPEN  
WATERS OF LAKE MICHIGAN TO MID LAKE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL THIS HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4249 8780 4261 8782 4278 8775 4286 8784  
4297 8785 4301 8789 4307 8786 4326 8791  
4358 8778 4368 8770 4390 8773 4383 8709  
4339 8715 4246 8702  
TIME...MOT...LOC 0635Z 273DEG 60KT 4390 8785 4301 8836 4244 8898  
 
HAIL...0.00IN  
WIND...40KTS  
 

 
 
WOOD  
 
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