696
FNUS74 KTSA 121404
FWSTSA
SPOT FORECAST FOR RAZORBACK RXB...BIA EASTERN OKLAHOMA REGION
NATIONAL WEATHER SERVICE TULSA OK
804 AM CST THU FEB 12 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 CST ON FEBRUARY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT NWS TULSA AT (918)838-7838, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
LIGHT SOUTHEAST WINDS THIS MORNING WILL SHIFT TO SOUTHERLY BY MID
MORNING, THEN BACK TO SOUTHEAST TONIGHT. FOR THE MOST PART SPEEDS
WILL REMAIN BELOW 10 MPH BUT A FEW GUSTS TO 15 MPH ARE EXPECTED
THIS AFTERNOON. SKIES WILL SHIFT FROM MOSTLY SUNNY TO PARTLY
CLOUDY TODAY BUT NO RAIN WILL OCCUR. HUMIDITY WILL FALL FROM
AROUND 70% THIS MORNING TO 35% THIS AFTERNOON. TEMPERATURES WILL
BECOME MILD, WITH HIGHS IN THE MID 60S WITH OVERNIGHT LOWS IN THE
MID 40S.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........35 PERCENT.
DEWPOINT............33 INCREASING TO 36 LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH LATE IN THE MORNING
BECOMING LIGHT.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH.
SMOKE DISPERSAL.....GOOD (30819 KNOT-FT).
STABILITY CLASS.....3.
1700FT AVG MIX T(F).58.
TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 42 40 40 41 39 38
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57 60 62 63 64 63 62
DEWPOINT........31 32 34 35 36 36 37
RH..............37 35 35 35 35 36 39
20 FT WIND DIR..S S S S S S S
20 FT WIND SPD..6 6 6 6 5 4 2
20 FT WIND GUST.11 12 11 10 10 7 6
MIX HGT (KFT)...2.0 2.6 3.2 3.5 3.8 3.1 1.3
TRANSP WIND DIR.S S S S S S S
TRANSP WIND SPD.17 17 14 12 10 10 8
VRATE KT-FT/1K..31 41 41 41 41 41 41
VENTRATE CAT....PR FR FR FR FR FR FR
1700FT MIX T(F).57 57 57 58 58 58 59
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........76 PERCENT.
DEWPOINT............35.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 13 MPH.
SMOKE DISPERSAL.....POOR (3278 KNOT-FT).
STABILITY CLASS.....6.
1700FT AVG MIX T(F).61.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........36 37 34 33 42 43 40 50 43 33 27 24
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............59 55 53 51 50 49 48 48 47 46 45 45
DEWPOINT........37 36 36 36 35 35 34 34 34 35 35 35
RH..............44 49 52 56 56 58 58 58 60 65 68 68
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..2 2 2 2 2 3 3 3 2 2 2 2
20 FT WIND GUST.4 5 5 6 6 6 6 6 6 6 6 6
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.S SE S S S S S S S S S S
TRANSP WIND SPD.7 7 9 10 10 12 12 13 12 10 10 10
VRATE KT-FT/1K..3 3 3 3 3 3 4 4 4 4 4 4
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).59 59 60 60 61 62 63 63 63 63 63 64
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........44 PERCENT.
DEWPOINT............37 INCREASING TO 46.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH EARLY
IN THE AFTERNOON, THEN BECOMING LIGHT LATE IN
THE AFTERNOON.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 9 MPH.
SMOKE DISPERSAL.....POOR (10491 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (29508 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).63.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........21 25 40 55 55 54 54 60 67 73 78 84
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........
TEMP............44 45 46 51 56 61 65 67 69 69 68 66
DEWPOINT........35 37 39 40 42 44 45 46 46 46 47 47
RH..............70 73 76 66 59 53 48 47 44 44 47 50
20 FT WIND DIR..SE SE SE SE SE SE SE SE S S SE SE
20 FT WIND SPD..2 2 2 2 2 3 3 3 4 4 3 3
20 FT WIND GUST.6 6 6 6 6 6 6 6 7 7 7 6
MIX HGT (KFT)...0.3 0.3 0.3 0.4 0.9 1.7 2.5 3.4 4.0 4.1 3.0 1.6
TRANSP WIND DIR.SE SE SE SE SE S S S S S S SE
TRANSP WIND SPD.9 8 8 8 8 7 7 7 8 8 8 9
VRATE KT-FT/1K..10 10 10 10 10 10 30 30 30 30 30 30
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).64 64 63 63 62 62 62 63 64 65 65 65
FORECASTER...HODGES
REQUESTED BY...JOSH WILLIAMS
TYPE OF REQUEST...PRESCRIBED
.TAG 2602573.0/TSA
.DELDT 02/12/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSHUAD.WILLIAMS@BIA.GOV,RYAN.MORRISON@BIA.GOV
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