599  
WWUS83 KGRR 182331  
SPSGRR  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
731 PM EDT SAT JUL 18 2015  
 
MIZ045-046-051-052-057>059-066-067-073-074-190130-  
MECOSTA MI-INGHAM MI-EATON MI-CLINTON MI-IONIA MI-GRATIOT MI-KENT MI-  
CALHOUN MI-JACKSON MI-MONTCALM MI-ISABELLA MI-  
731 PM EDT SAT JUL 18 2015  
   
..SIGNIFICANT WEATHER ADVISORY
 
 
A LINE OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO MOVE EAST AT 40  
MPH ACROSS MUCH OF SOUTH CENTRAL LOWER MICHIGAN BETWEEN 730 AND 900  
PM EDT.  
 
THE FOLLOWING THREATS WILL BE POSSIBLE WHEN THESE STORMS ARRIVE...  
WIND GUSTS AT LEAST 50 MPH WITH DOWNED TREE LIMBS...FREQUENT DEADLY  
CLOUD TO GROUND LIGHTNING...VERY HEAVY DOWNPOURS AND NUISANCE  
FLOODING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF THUNDER ROARS...GO INDOORS. LIGHTNING CAN STRIKE 15 MILES AWAY  
FROM A THUNDERSTORM. ALLOW 30 MINUTES OF TIME BEFORE RESUMING  
OUTDOOR ACTIVITIES. PLEASE REPORT ANY OBSERVED DAMAGE TO YOUR LOCAL  
LAW ENFORCEMENT.  
 

 
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR SOUTHWESTERN  
MICHIGAN.  
 
LAT...LON 4207 8529 4242 8530 4242 8507 4277 8507  
4277 8578 4329 8579 4330 8556 4382 8556  
4381 8509 4378 8509 4381 8461 4347 8461  
4346 8437 4279 8437 4278 8416 4207 8413  
TIME...MOT...LOC 2329Z 255DEG 30KT 4277 8530 4209 8537  
 

 
 
TJT  
 
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