790  
FLUS43 KGRR 210828  
HWOGRR  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
428 AM EDT FRI JUL 21 2017  
 
MIZ037>040-043>046-050>052-056>059-064>067-071>074-220830-  
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-  
MONTCALM-GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-  
INGHAM-VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-  
428 AM EDT FRI JUL 21 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER  
MICHIGAN.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
PATCHY DENSE FOG WILL IMPACT THE EARLY MORNING COMMUTE. THE FOG  
WILL LIFT BY 9 AM.  
 
A SLIGHT RISK OF FLOODING AND DAMAGING THUNDERSTORM WIND GUSTS  
EXISTS TONIGHT, MAINLY ALONG AND SOUTH OF A LINE FROM MUSKEGON TO  
LANSING.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY  
 
A SLIGHT RISK OF FLOODING AND DAMAGING THUNDERSTORM WIND GUSTS  
EXISTS SATURDAY, MAINLY ALONG AND SOUTH OF A LINE FROM MUSKEGON  
TO LANSING.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT AND SATURDAY.  
 

 
 
LMZ844>849-220830-  
ST JOSEPH TO SOUTH HAVEN MI-SOUTH HAVEN TO HOLLAND MI-  
HOLLAND TO GRAND HAVEN MI-GRAND HAVEN TO WHITEHALL MI-  
WHITEHALL TO PENTWATER MI-PENTWATER TO MANISTEE MI-  
428 AM EDT FRI JUL 21 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER  
MICHIGAN.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
THUNDERSTORMS TONIGHT OVER LAKE MICHIGAN COULD PRODUCE WIND GUSTS  
IN EXCESS OF 35 KNOTS, LOCALLY HIGH WAVES, FREQUENT LIGHTNING AND  
TORRENTIAL RAIN. THE MAIN RISK IS SOUTH OF WHITEHALL.  
   
DAYS TWO THROUGH SEVEN
 
SATURDAY THROUGH THURSDAY  
 
THUNDERSTORMS SATURDAY COULD PRODUCE WIND GUSTS IN EXCESS OF 35  
KNOTS, LOCALLY HIGH WAVES, FREQUENT LIGHTNING AND TORRENTIAL RAIN.  
THE MAIN RISK IS SOUTH OF WHITEHALL.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT AND SATURDAY.  
 

 
 
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