981  
FNUS73 KFGF 121151  
FWSFGF  
 
SPOT FORECAST FOR 2022 AGR CATTAILS...USFWS  
NATIONAL WEATHER SERVICE GRAND FORKS ND  
551 AM CST MON DEC 12 2022  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON DECEMBER 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CALL THE NWS IN GRAND FORKS AT 701-795-5127 FOR ADDITIONAL  
INFORMATION AND MONITOR OUR WEBSITE (WWW.WEATHER.GOV/FGF) OR NOAA  
ALL-HAZARDS RADIO FOR THE LATEST UPDATES.  
   
DISCUSSION
 
 
MOSTLY CLOUDY TODAY WITH TEMPERATURES SLOWLY CLIMBING TO NEAR  
FREEZING. SOUTHEAST WINDS PREVAIL THROUGH THE DAY AT 15 TO 20 MPH.  
PRECIPITATION CHANCES INCREASE LATE THIS EVENING, WITH MUCH OF THE  
DAY REMAINING DRY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).  
 
MAX TEMPERATURE.....AROUND 32.  
MIN HUMIDITY........81 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 15 TO 20 MPH.  
MIXING HEIGHT.......1700 FT AGL.  
MIXING WINDS........SOUTHEAST AROUND 25 MPH.  
SMOKE DISPERSAL.....26500 KNOT-FT EARLY IN THE MORNING INCREASING  
TO 37500 KNOT-FT IN THE AFTERNOON.  
 
TIME (CST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........78 78 73 75 81 84 84 93 91 86  
WEATHER COV.....PTY PTY PTY PTY PTY PTY PTY PTY PTY PTY  
WEATHER TYPE....BSN BSN BSN BSN BSN BSN BSN BSN BSN BSN  
TSTM COV........  
TEMP............26 27 28 30 30 31 31 31 31 30  
RH..............85 87 92 88 92 88 85 85 85 88  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..15 15 20 20 20 20 15 15 15 15  
20 FT WIND GUST.23 26 27 27 26 26 26 23 23 22  
MIX HGT (KFT)...1.2 1.3 1.4 1.5 1.6 1.7 1.6 1.5 1.3 1.3  
MIXING WIND DIR.SE SE SE SE SE SE SE SE SE SE  
MIXING WIND SPD.25 25 25 25 25 25 25 25 25 25  
VRATE KT-FT/1K..27 28 32 35 33 38 33 33 28 27  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). PATCHY BLOWING SNOW  
THROUGH THE NIGHT. CHANCE OF LIGHT FREEZING  
DRIZZLE AND SNOW OVERNIGHT.  
MIN TEMPERATURE.....AROUND 25.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 15 MPH.  
MIXING HEIGHT.......1300 FT AGL.  
MIXING WINDS........SOUTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....(24200 KNOT-FT).  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........86 92 91 91 95 97  
WEATHER COV.....PATCHY PATCHY PATCHY S CHC CHANCE S CHC  
WEATHER TYPE....BLSNOW BLSNOW BLSNOW FZDRZL FZDRZL FZDRZL  
TSTM COV........  
TEMP............29 28 28 28 28 28  
RH..............88 92 92 92 92 92  
20 FT WIND......SE 15 SE 15 SE 15 SE 15 SE 15 SE 15  
20 FT WIND GUST.22 21 20 20 20 20  
MIX HGT (FT)....1300 1300 1400 1400 1400 1300  
MIXING WIND.....SE 20 SE 20 SE 20 SE 20 SE 20 SE 20  
VRATE KT-FT/1K..24 26 26 27 27 25  
   
TUESDAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). PATCHY BLOWING SNOW  
THROUGH THE DAY. SLIGHT CHANCE OF SNOW LATE IN  
THE MORNING. CHANCE OF SNOW LATE IN THE  
MORNING, THEN SNOW LIKELY LATE IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 32.  
MIN HUMIDITY........85 PERCENT.  
WIND (20 FT)........EAST WINDS 15 TO 20 MPH.  
MIXING HEIGHT.......1900 FT AGL.  
MIXING WINDS........SOUTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....25000 KNOT-FT EARLY IN THE MORNING INCREASING  
TO 40000 KNOT-FT IN THE AFTERNOON.  
 
TIME (CST) 6 AM 9 AM NOON 3 PM  
SKY (%).........93 95 92 97  
WEATHER COV.....PATCHY S CHC CHANCE CHANCE  
WEATHER TYPE....BLSNOW SNOW SNOW SNOW  
TSTM COV........  
TEMP............28 27 30 31  
RH..............96 96 88 85  
20 FT WIND......SE 15G19 E 15G23 E 15G23 E 15G25  
MIX HGT (FT)....1400 1700 1900 1900  
MIXING WIND.....SE 20 SE 25 SE 25 E 25  
VRATE KT-FT/1K..27 34 40 37  
 

 
FORECASTER...TL  
REQUESTED BY...ERIC MARK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2222455.0/FGF  
.DELDT 12/12/22  
.FORMATTERVERSION 2.0.0  
.EMAIL ERIC_MARK@FWS.GOV, NWS.GRANDFORKS@NOAA.GOV, TIMOTHY.LYNCH@NOAA.GOV  
 
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