507  
WWUS73 KGRR 190128  
NPWGRR  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
928 PM EDT THU JUL 18 2019  
 
MIZ056>059-064>067-071>074-190930-  
/O.CON.KGRR.EH.W.0001.000000T0000Z-190721T0000Z/  
OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-VAN BUREN-  
KALAMAZOO-CALHOUN-JACKSON-  
INCLUDING THE CITIES OF GRAND HAVEN, JENISON, GRAND RAPIDS,  
IONIA, ST. JOHNS, HOLLAND, HASTINGS, CHARLOTTE, LANSING,  
SOUTH HAVEN, KALAMAZOO, BATTLE CREEK, AND JACKSON  
928 PM EDT THU JUL 18 2019  
 
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT  
SATURDAY...  
 
HAZARDOUS WEATHER...  
 
* HEAT INDICES OF 105 DEGREES FRIDAY AND SATURDAY.  
 
* OVERNIGHT LOW TEMPERATURES IN THE MID 70S WITH CONTINUED  
MUGGY CONDITIONS.  
 
IMPACTS...  
 
* HEAT ILLNESSES ARE LIKELY FOR THOSE SPENDING PROLONGED  
PERIODS OUTSIDE OR IN NON-AIR CONDITIONED ENVIRONMENTS. THE  
HEAT IS MOST DANGEROUS TO THE ELDERLY AND YOUNG CHILDREN.  
 
* NON-AIR CONDITIONED CAR INTERIORS WILL REACH LETHAL  
TEMPERATURES IN MINUTES.  
 
* DIRECT SUN ON PETS AND OTHER ANIMALS WILL ACCENTUATE CHANCES  
FOR HEAT ILLNESSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
* TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE.  
WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY  
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT  
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE  
FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER.  
 
* TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY  
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST  
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE  
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED  
LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 9 1 1.  
 
* WEATHER PREPAREDNESS INFORMATION IS AVAILABLE ON LINE AT  
WWW.READY.GOV/HEAT.  
 

 
 

 
 
MIZ037>040-043>046-050>052-190930-  
/O.CON.KGRR.HT.Y.0001.000000T0000Z-190721T0000Z/  
MASON-LAKE-OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-  
MONTCALM-GRATIOT-  
INCLUDING THE CITIES OF LUDINGTON, BALDWIN, REED CITY, CLARE,  
HART, FREMONT, BIG RAPIDS, MOUNT PLEASANT, MUSKEGON, GREENVILLE,  
AND ALMA  
928 PM EDT THU JUL 18 2019  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY
 
 
HAZARDOUS WEATHER...  
 
* HEAT INDICES WILL APPROACH OR EXCEED 100 DEGREES FRIDAY AND  
SATURDAY.  
 
* OVERNIGHT LOW TEMPERATURES IN THE LOW 70S WITH CONTINUED  
MUGGY CONDITIONS.  
 
IMPACTS...  
 
* HEAT ILLNESSES ARE POSSIBLE FOR THOSE SPENDING PROLONGED  
PERIODS OUTSIDE OR IN NON-AIR CONDITIONED ENVIRONMENTS. THE  
HEAT IS MOST DANGEROUS TO THE ELDERLY AND YOUNG CHILDREN.  
 
* NON-AIR CONDITIONED CAR INTERIORS WILL REACH LETHAL  
TEMPERATURES IN MINUTES.  
 
* DIRECT SUN ON PETS AND OTHER ANIMALS WILL ACCENTUATE CHANCES  
FOR HEAT ILLNESSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
* TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE.  
WHEN POSSIBLE...RESCHEDULE STRENUOUS ACTIVITIES TO EARLY  
MORNING OR EVENING. KNOW THE SIGNS AND SYMPTOMS OF HEAT  
EXHAUSTION AND HEAT STROKE. WEAR LIGHT WEIGHT AND LOOSE  
FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER.  
 
* TO REDUCE RISK DURING OUTDOOR WORK THE OCCUPATIONAL SAFETY  
AND HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST  
BREAKS IN SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE  
OVERCOME BY HEAT SHOULD BE MOVED TO A COOL AND SHADED  
LOCATION. HEAT STROKE IS AN EMERGENCY...CALL 9 1 1.  
 
* WEATHER PREPAREDNESS INFORMATION IS AVAILABLE ON LINE AT  
WWW.READY.GOV/HEAT.  
 

 
 

 
 
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