717  
WHUS53 KAPX 102211  
SMWAPX  
LMZ366-102315-  
/O.NEW.KAPX.MA.W.0038.170810T2211Z-170810T2315Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE GAYLORD MI  
611 PM EDT THU AUG 10 2017  
 
THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5NM OFFSHORE TO MID  
LAKE...  
 
* UNTIL 715 PM EDT  
 
* AT 611 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 25 NM NORTHWEST  
OF MANISTEE LIGHTHOUSE...MOVING EAST AT 35 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER 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...  
PORTAGE LAKE...WILLIAMSPORT...MANISTEE...FRANKFORT AND PIERPORT.  
 
LAT...LON 4464 8679 4464 8634 4455 8631 4444 8634  
4443 8630 4443 8625 4455 8622 4464 8625  
4464 8616 4454 8614 4439 8617 4421 8629  
4421 8636 4440 8625 4442 8625 4442 8634  
4428 8642 4422 8697  
TIME...MOT...LOC 2211Z 269DEG 35KT 4443 8689  
 
HAIL...>.75IN  
WIND...>34KTS  
 

 
 
MSB  
 
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