651  
FNUS73 KGRR 100605  
FWSGRR  
 
SPOT FORECAST FOR MARION SPRAY PROJECT...MI DNR  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
205 AM EDT TUE SEP 10 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 1400 EDT ON SEPTEMBER 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (616) 949-5150, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
SHOWERS AND THUNDERSTORMS ARE LIKELY THIS MORNING WITH CHANCES FOR  
RAIN DECREASING TO ABOUT 40 PERCENT IN THE AFTERNOON.  
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
TEMPERATURE.........70 AT IGNITION...MAX 80.  
RH..................84 PERCENT AT IGNITION...MIN 78 PERCENT.  
MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 2500 FT  
AGL.  
TRANSPORT WINDS.....SOUTHWEST 25 TO 29 MPH.  
SMOKE DISPERSAL.....400 /GOOD/ AT IGNITION. MAX...700 /EXCELLENT/.  
 
TIME (EDT) 2 PM 4 PM 6 PM 8 PM 10 PM MIDNGT  
SKY (%).........74 67 61 57 65 63  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE S CHC  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE S CHC  
TEMP............75 78 76 73 71 69  
RH..............84 78 82 93 93 97  
SMOKE DISPERSAL 400 700 400 0 0 0  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING AND  
OVERNIGHT.  
TEMPERATURE.........MIN 61.  
RH..................MAX 100 PERCENT.  
MIXING HEIGHT.......1300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 22 MPH BECOMING WEST 6 TO 10  
MPH EARLY IN THE EVENING.  
SMOKE DISPERSAL.....0-400 (POOR TO GOOD).  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.  
TEMPERATURE.........MAX 78.  
RH..................MIN 67 PERCENT.  
MIXING HEIGHT.......1100 FT AGL.  
TRANSPORT WINDS.....NORTH 2 TO 6 MPH.  
SMOKE DISPERSAL.....0 (POOR).  
 

 
FORECASTER...OSTUNO  
REQUESTED BY...KLINGLER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1900000.0/GRR  
.DELDT 09/10/19  
.FORMATTERVERSION 1.0.26  
 
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