506
FNUS74 KTSA 121818
FWSTSA
SPOT FORECAST FOR RAZORBACK RXB...BIA EASTERN OKLAHOMA REGION
NATIONAL WEATHER SERVICE TULSA OK
1218 PM 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
AFTERNOON TEMPERATURES WILL REACH THE MID 60S WITH RH HOVERING
NEAR 20 PERCENT THROUGH EARLY AFTERNOON, THEN SLOWLY RISING INTO
THE EVENING. RH SHOULD RECOVER TO AROUND 40% THIS EVENING. SOUTH
WINDS OF 5-10 MPH WITH A FEW GUSTS OF 15-20 MPH WILL CONTINUE
THROUGH THE EARLY EVENING BEFORE WEAKENING. PARTLY TO MOSTLY SUNNY
SKIES WILL CONTINUE.
OVERNIGHT TEMPERATURES WILL FALL INTO THE LOW TO MID 40S WITH RH
EVENTUALLY RECOVERING TO 70-80 PERCENT. WINDS WILL BE LIGHT
OVERNIGHT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........20 PERCENT.
DEWPOINT............28 INCREASING TO 33 LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH GUSTING TO 18 MPH.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....SOUTH 9 TO 17 MPH.
SMOKE DISPERSAL.....FAIR (28196 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (41311 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....3.
1700FT AVG MIX T(F).57.
TIME (CST) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 39 37 39 41 44 60
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............56 61 64 66 66 65 62
DEWPOINT........29 27 28 30 32 33 34
RH..............35 27 26 26 27 30 34
20 FT WIND DIR..S S S S S S S
20 FT WIND SPD..8 7 6 6 5 4 2
20 FT WIND GUST.11 12 11 10 10 7 6
MIX HGT (KFT)...2.1 2.7 3.2 3.6 3.9 3.1 1.2
TRANSP WIND DIR.S S S S S S S
TRANSP WIND SPD.15 15 14 13 12 9 7
VRATE KT-FT/1K..28 41 41 41 41 41 41
VENTRATE CAT....PR FR FR FR FR FR FR
1700FT MIX T(F).56 56 56 57 57 57 58
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........79 PERCENT.
DEWPOINT............36.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.
SMOKE DISPERSAL.....POOR (3934 KNOT-FT).
STABILITY CLASS.....6.
1700FT AVG MIX T(F).60.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........50 50 40 28 35 29 24 40 30 28 34 24
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............59 57 52 51 49 48 47 47 45 45 44 43
DEWPOINT........38 37 37 36 36 36 35 35 35 36 36 36
RH..............45 47 56 56 61 63 63 63 68 70 73 76
20 FT WIND DIR..S S SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.4 5 5 5 5 6 6 6 6 6 5 5
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3 0.3 0.3
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.8 8 9 9 9 10 12 10 12 10 10 9
VRATE KT-FT/1K..4 4 4 4 4 4 5 5 5 5 5 5
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).58 58 58 59 59 60 60 61 61 61 62 62
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF RAIN
SHOWERS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........41 PERCENT.
DEWPOINT............38 INCREASING TO 44 IN THE LATE MORNING AND
AFTERNOON.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH.
SMOKE DISPERSAL.....POOR (9180 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (20327 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).64.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........21 21 35 37 27 32 33 43 39 36 48 51
WEATHER COV..... CHC CHC CHC
WEATHER TYPE.... RW RW RW
TSTM COV........
TEMP............43 42 45 51 56 61 65 67 69 69 70 68
DEWPOINT........36 36 38 40 42 44 45 45 45 45 45 46
RH..............76 79 76 66 59 53 48 45 42 42 41 45
20 FT WIND DIR..SE SE SE SE S S S S S S SE E
20 FT WIND SPD..2 2 2 2 2 2 2 2 3 3 2 2
20 FT WIND GUST.5 5 5 6 6 6 6 6 6 6 6 6
MIX HGT (KFT)...0.3 0.3 0.3 0.4 1.1 1.8 2.6 3.1 3.5 3.9 3.1 1.4
TRANSP WIND DIR.S S S S S S S S S S S SE
TRANSP WIND SPD.8 7 8 7 6 6 5 5 6 6 7 7
VRATE KT-FT/1K..9 9 9 9 9 9 20 20 20 20 20 20
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).61 61 61 61 61 62 62 63 65 66 67 67
FORECASTER...D.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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