359  
FNUS74 KOUN 261322  
FWSOUN  
 
SPOT FORECAST FOR ANDY BROWN RX...BIA  
NATIONAL WEATHER SERVICE NORMAN OK  
722 AM CST FRI FEB 26 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON FEBRUARY 26.  
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
 
 
WINDS WILL REMAIN OUT OF THE SOUTH-SOUTHWEST AT 5-10 MPH. CLOUDY  
SKIES ARE EXPECTED UNTIL LATER THIS EVENING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT).  
TEMPERATURE.........50 AT IGNITION...MAX 55.  
RH..................82 PERCENT AT IGNITION...MIN 69 PERCENT.  
WIND (20 FT)........WINDS SOUTH AT 3 MPH AT IGNITION...OTHERWISE  
LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......1400 FT AGL AT IGNITION...OTHERWISE 2100 FT  
AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.  
SMOKE DISPERSAL.....POOR /4100 KNOT-FT/ AT IGNITION. MAX...POOR  
/4200 KNOT-FT/.  
 
TIME (CST) NOON 2 PM 4 PM  
SKY (%).........98 98 89  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
TEMP............50 54 55  
RH..............82 75 69  
20 FT WIND DIR..S SW SW  
20 FT WIND SPD..3 3 5  
20 FT WIND GUST.4 6 6  
MIX HGT (FT)....1400 1800 1900  
TRANSPORT WIND..SW 3 SW 5 SW 5  
VRATE KTFT/1000.4 4 4  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT).  
TEMPERATURE.........MIN 40.  
RH..................MAX 100 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING SOUTH AROUND 5  
MPH AFTER 3 AM BECOMING LIGHT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTH 2 TO 8 MPH.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT).  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........72 72 59 41 41 52  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............55 48 44 43 41 40  
RH..............69 85 96 97 99 100  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..5 3 3 3 3 3  
20 FT WIND GUST.6 4 4 4 6 6  
MIX HGT (FT)....800 500 300 200 400 400  
TRANSPORT WIND..SW 5 SW 7 S 3 S 2 S 3 SE 3  
VRATE KTFT/1000.3 2 1 1 0 0  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS IN THE MORNING, THEN CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
TEMPERATURE.........MAX 66.  
RH..................MIN 61 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....SOUTH 2 TO 10 MPH INCREASING TO 13 TO 16 MPH IN  
THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR (1500 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (18300 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CST) 6 AM 9 AM NOON 3 PM  
SKY (%).........92 94 87 76  
WEATHER COV.....S CHC S CHC CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ CHANCE CHANCE  
TEMP............40 47 60 66  
RH..............100 95 72 63  
20 FT WIND DIR..SE SE SE S  
20 FT WIND SPD..2 6 9 9  
20 FT WIND GUST. 7 12 12  
MIX HGT (FT)....400 800 1400 1500  
TRANSPORT WIND..SE 5 SE 10 SE 15 S 16  
VRATE KTFT/1000.2 11 18 15  
 

 
FORECASTER...BUNKER  
REQUESTED BY...JOSH WILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2103065.1/OUN  
.DELDT 02/26/21  
.FORMATTERVERSION 1.0.26  
.EMAIL JOSHUAD.WILLIAMS@BIA.GOV  
 
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