770  
FNUS74 KOUN 211602  
FWSOUN  
 
SPOT FORECAST FOR AMBRUSS FIRE...JOY VFD  
NATIONAL WEATHER SERVICE NORMAN OK  
1002 AM CST SUN DEC 21 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1000 CST ON DECEMBER 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (405) 325-3816 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
NORTH WINDS WILL REMAIN LIGHT (LESS THAN 10 MPH), BECOMING SOUTHERLY  
THIS EVENING. RH VALUES ARE EXPECTED TO STAY ABOVE 50 PERCENT WITH  
EXCELLENT RECOVERY OVERNIGHT.  
 
DAY  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........53 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH IN THE LATE MORNING  
AND EARLY AFTERNOON BECOMING LIGHT.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 12 MPH.  
SMOKE DISPERSAL.....POOR (3900-10100 KNOT-FT).  
 
TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........83 84 83 80 78 79 81 80  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............47 50 54 55 57 57 58 56  
RH..............71 68 64 66 64 67 64 72  
20 FT WIND DIR..N NE NE NE NE NE E E  
20 FT WIND SPD..6 6 6 5 5 3 3 2  
20 FT WIND GUST.10 9 9 7 7 6 6 3  
MIX HGT (KFT)...1.0 1.1 1.2 1.3 1.5 1.6 1.3 1.0  
TRANSP WIND DIR.NE NE NE NE E E E E  
TRANSP WIND SPD.12 10 9 8 6 6 6 5  
VRATE KTFT/1000.10 10 10 9 7 8 6 4  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY THEN BECOMING MOSTLY CLOUDY IN THE LATE  
EVENING AND OVERNIGHT.  
MIN TEMPERATURE.....AROUND 45.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 9 MPH SHIFTING TO THE SOUTH 8 TO  
10 MPH LATE IN THE EVENING.  
SMOKE DISPERSAL.....POOR (2500-7600 KNOT-FT).  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........84 93 85 79 78 80 76 83 82 86 85 81  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............55 53 51 50 50 50 50 48 48 48 46 48  
RH..............77 83 89 93 93 93 93 100 100 100 100 100  
20 FT WIND DIR..E E SE SE SE S S S S S S S  
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2  
20 FT WIND GUST.3 7 7 8 7 8 8 8 8 8 8 8  
MIX HGT (KFT)...0.6 0.6 0.9 0.9 1.0 0.6 0.5 0.5 0.7 0.5 0.4 0.4  
TRANSP WIND DIR.E E SE SE SE S S S S S S S  
TRANSP WIND SPD.6 6 7 9 9 10 10 10 10 9 8 8  
VRATE KTFT/1000.3 3 5 7 8 6 5 5 6 4 3 3  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING SUNNY.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........49 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH EARLY IN  
THE MORNING.  
MIXING HEIGHT.......2200 FT AGL.  
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH SHIFTING TO THE SOUTHWEST 18  
TO 23 MPH LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR TO GOOD (2400-43700 KNOT-FT).  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........81 72 50 27 22 16 11 8 5 2 2 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............47 48 49 51 55 61 65 69 71 72 71 69  
RH..............100 100 100 100 86 70 60 53 51 49 51 57  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..2 3 5 6 6 8 9 10 10 10 9 8  
20 FT WIND GUST.8 9 10 13 15 17 18 20 20 20 20 18  
MIX HGT (KFT)...0.3 0.4 0.5 0.7 1.0 1.4 1.8 2.0 2.2 2.1 1.8 1.4  
TRANSP WIND DIR.S S S S S SW SW SW SW SW S S  
TRANSP WIND SPD.8 12 14 16 17 18 20 21 23 23 22 18  
VRATE KTFT/1000.2 4 6 10 15 23 30 37 44 43 35 22  
 

 
FORECASTER...DAY  
REQUESTED BY...REGGIE FULLER (JOY VFD CHIEF)  
TYPE OF REQUEST...WILDFIRE  
.TAG 2527993.0/OUN  
.DELDT 12/21/25  
.FORMATTERVERSION 2.0.0  
.EMAIL RDFULLER@HOTMAIL.COM  
 
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