161  
FNUS74 KOUN 032351  
FWSOUN  
 
SPOT FORECAST FOR HAWKEN RX...BIA  
NATIONAL WEATHER SERVICE NORMAN OK  
651 PM CDT FRI APR 3 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 05.  
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
 
 
AT IGNITION TIME, THE WINDS WILL BE LIGHT & VARIABLE WITH THE RH AROUND  
60% AND THE TEMPERATURE NEAR 50 DEGREES UNDER MOSTLY CLEAR SKIES.  
EXPECTING AFTERNOON WINDS TO LIGHT OUT OF THE EAST AT 5-10 MPH  
WITH TEMPERATURES WARMING INTO THE LOWER 70S AND THE MINIMUM RH  
AROUND 30% THEN RECOVERING AFTER SUNDOWN.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 3 TO 8 MPH.  
SMOKE DISPERSAL.....POOR TO GOOD (4200-34600 KNOT-FT).  
 
TIME (CDT) 10 AM 1 PM 4 PM  
SKY (%).........13 16 14  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE  
TSTM COV........  
TEMP............52 64 69  
RH..............59 38 33  
20 FT WIND DIR..N E E  
20 FT WIND SPD..2 5 6  
20 FT WIND GUST.5 8 9  
MIX HGT (FT)....1400 3700 4800  
TRANSPORT WIND..N 3 NE 7 NE 8  
VRATE KTFT/1000.4 22 34  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 6 MPH SHIFTING TO THE  
SOUTH AROUND 5 MPH OVERNIGHT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 12 MPH SHIFTING TO THE SOUTH 13  
TO 15 MPH OVERNIGHT.  
SMOKE DISPERSAL.....POOR (1200-11700 KNOT-FT).  
 
TIME (CDT) 6 PM 9 PM MIDNGT 3 AM  
SKY (%).........14 17 16 12  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............68 58 51 46  
RH..............37 55 68 86  
20 FT WIND DIR..E SE S S  
20 FT WIND SPD..6 6 5 5  
20 FT WIND GUST.10 9 9 8  
MIX HGT (FT)....1900 200 400 400  
TRANSPORT WIND..E 7 SE 9 S 13 S 15  
VRATE KTFT/1000.12 2 5 6  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........31 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 12 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......5500 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 15 MPH.  
SMOKE DISPERSAL.....POOR TO EXCELLENT (3900-69800 KNOT-FT).  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........11 6 3 4  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
TEMP............42 51 64 70  
RH..............93 71 45 34  
20 FT WIND DIR..S S S S  
20 FT WIND SPD..3 5 8 12  
20 FT WIND GUST.7 9 14 18  
MIX HGT (FT)....300 900 3800 5500  
TRANSPORT WIND..S 14 S 14 S 15 S 14  
VRATE KTFT/1000.4 11 50 66  
 

 
FORECASTER...PIKE  
REQUESTED BY...TYLER BURLESON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2608955.0/OUN  
.DELDT 04/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL GREGORY.BURLESON@BIA.GOV,JOSEPH.WINCKLER@BIA.GOV  
 
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