282  
FNUS73 KFGF 201440  
FWSFGF  
 
SPOT FORECAST FOR MARSH GROVE 36...MN DNR  
NATIONAL WEATHER SERVICE GRAND FORKS ND  
840 AM CST FRI NOV 20 2009  
 
FORECAST IS BASED ON IGNITION TIME OF 1300 CST ON NOVEMBER 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
EXPECT SUNNY SKIES AT THE PRESCRIBED BURN SITE TODAY AS HIGH  
PRESSURE DOMINATES THE REGIONAL WEATHER PATTERN. LIGHT WINDS WILL  
INCREASE SLIGHTLY FROM THE SOUTH LATE THIS MORNING AND EARLY  
AFTERNOON...BUT SHOULD REMAIN BELOW 10 MPH. EXPECT A DAYTIME HIGH  
IN THE MID TO UPPER 40S WITH AN AFTERNOON MINIMUM RH VALUE AROUND  
40 PERCENT. SMOKE DISPERSION THIS AFTERNOON WILL BE POOR TO FAIR.  
 
FOR TOMORROW...ANOTHER SUNNY DAY IS ANTICIPATED...ALTHOUGH  
TEMPERATURES WILL BE SLIGHTLY WARMER WITH LITTLE CHANGE IN  
MOISTURE. BIG CHANGE WILL BE STRONGER SOUTHERLY WINDS...GENERALLY  
FROM 15 TO 25 MPH WITH GUSTS TO 35 MPH.  
   
TODAY  
 
SKY/WEATHER.........SUNNY. AREAS OF FOG EARLY IN THE MORNING.  
MAX TEMPERATURE.....44-49.  
MIN HUMIDITY........38-43 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......300-1100 FT AGL.  
MIXING WINDS........SOUTH 7 TO 15 MPH INCREASING TO 17 TO 18 MPH  
LATE IN THE AFTERNOON.  
 
TIME (CST) 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........39 35 29 22 15 8  
WEATHER COV.....  
WEATHER TYPE....  
TEMP............42 45 46 45 42 41  
RH..............44 42 43 47 51 52  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..6 7 7 7 7 7  
20 FT WIND GUST.10 10 10 10 10 10  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....26-31.  
MAX HUMIDITY........83-88 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 11 MPH.  
MIXING HEIGHT.......300-900 FT AGL.  
MIXING WINDS........SOUTHEAST 14 TO 21 MPH.  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........3 0 1 3 3 3  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TEMP............39 36 34 32 31 30  
RH..............54 60 64 69 72 77  
20 FT WIND......S 7 S 7 S 7 S 7 SE 8 SE 10  
20 FT WIND GUST.10 10 10 10 15 15  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....48-53.  
MIN HUMIDITY........39-44 PERCENT.  
WIND (20 FT)........SOUTH WINDS 18 TO 23 MPH WITH GUSTS TO AROUND  
35 MPH.  
MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 2300-3100 FT AGL  
IN THE AFTERNOON.  
MIXING WINDS........SOUTHEAST 14 TO 23 MPH INCREASING TO SOUTH 37  
TO 40 MPH.  
 
TIME (CST) 6 AM 9 AM NOON 3 PM  
SKY (%).........3 2 7 23  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TEMP............29 30 44 50  
RH..............85 85 53 44  
20 FT WIND......SE 11G20 SE 14G25 S 20G30 S 19G30  
 
 
FORECASTER...ROGERS  
REQUESTED BY...ERIK ANTHONISEN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 20091120.MARSH.01/FGF  
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