121
FNUS74 KTSA 120723
FWSTSA
SPOT FORECAST FOR OK NORTH BLUE...USFS
NATIONAL WEATHER SERVICE TULSA OK
123 AM CST THU FEB 12 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 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
TEMPERATURES WILL WARM QUICKLY THIS MORNING AND REACH THE MID TO
UPPER 60S DURING THE AFTERNOON. HUMIDITY LEVELS WILL FALL INTO THE
MID 30 PERCENT RANGE, WITH STEADILY INCREASING DEWPOINTS LIMITING
THE AFTERNOON HUMIDITY DECREASE. LIGHT SOUTH WINDS WILL PREVAIL
THROUGH THE DAY WITH A FEW STRONGER GUSTS POSSIBLE ESPECIALLY AT
THE BURN SITE ELEVATION. VERY GOOD HUMIDITY RECOVERY IS FORECAST
FOR TONIGHT.
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........34 PERCENT.
DEWPOINT............34 INCREASING TO 37 LATE IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
THE MORNING, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.
SMOKE DISPERSAL.....FAIR (16393 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (30819 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....3.
1700FT AVG MIX T(F).61.
TIME (CST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10 7 8 6 20 24 22 21 28
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............48 54 58 62 65 66 67 67 66
DEWPOINT........32 33 34 35 36 37 38 38 38
RH..............54 44 40 36 34 34 34 35 36
20 FT WIND DIR..SE SE S S S S S S S
20 FT WIND SPD..2 3 4 4 4 4 4 4 3
20 FT WIND GUST.8 8 8 10 8 10 8 8 7
MIX HGT (KFT)...0.9 1.4 2.0 2.6 3.0 3.2 3.6 2.8 1.8
TRANSP WIND DIR.SE S S S S S S S S
TRANSP WIND SPD.12 10 9 9 9 8 9 8 8
VRATE KT-FT/1K..18 18 18 31 31 31 31 31 31
VENTRATE CAT....PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).60 60 60 60 61 62 63 63 63
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........81 PERCENT.
DEWPOINT............41.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 9 MPH.
SMOKE DISPERSAL.....POOR (2622 KNOT-FT).
STABILITY CLASS.....6.
1700FT AVG MIX T(F).65.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........32 32 41 34 24 26 26 29 22 18 38 39
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............62 59 55 53 52 51 50 50 49 47 46 47
DEWPOINT........40 41 41 42 42 42 42 41 41 40 40 40
RH..............45 52 59 65 68 70 73 70 73 76 79 77
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 2 2 2 2 2 2 2
20 FT WIND GUST.7 6 6 6 6 6 6 6 6 6 6 6
MIX HGT (KFT)...0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.S S S S S S SE SE SE SE SE SE
TRANSP WIND SPD.8 7 8 8 8 8 9 9 9 9 8 8
VRATE KT-FT/1K..3 3 3 3 3 3 3 3 3 3 3 3
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).63 63 63 63 63 64 65 66 66 67 68 68
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING, THEN CHANCE OF
RAIN SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........44 PERCENT.
DEWPOINT............41 INCREASING TO 47 IN THE LATE MORNING AND
AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3900 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 9 MPH.
SMOKE DISPERSAL.....POOR (12459 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (29508 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).69.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........44 68 62 56 57 58 59 61 64 66 71 77
WEATHER COV.....SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
TEMP............45 47 49 54 60 64 68 70 71 71 70 68
DEWPOINT........40 41 43 45 46 47 47 47 48 48 49 49
RH..............81 78 80 70 60 54 48 45 44 44 47 51
20 FT WIND DIR..SE SE SE SE SE SE SE SE S S S SE
20 FT WIND SPD..2 2 2 2 3 3 4 5 5 5 5 4
20 FT WIND GUST.6 7 7 7 8 8 10 10 10 10 10 10
MIX HGT (KFT)...0.3 0.3 0.3 0.5 1.0 1.7 2.4 3.2 3.8 3.9 3.0 1.8
TRANSP WIND DIR.SE SE SE SE SE SE SE S S S S S
TRANSP WIND SPD.7 7 7 8 8 8 8 8 8 8 8 9
VRATE KT-FT/1K..13 13 13 13 13 13 30 30 30 30 30 30
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).69 69 70 70 70 70 70 70 70 70 70 69
FORECASTER...N.MCGAVOCK
REQUESTED BY...KORY GARRIE
TYPE OF REQUEST...PRESCRIBED
.TAG 2602511.0/TSA
.DELDT 02/12/26
.FORMATTERVERSION 2.0.0
.EMAIL KORY.GARRIE@USDA.GOV,NOLEN.CAUDELL@USDA.GOV,JOHN.WILSON2@USDA.GOV,KORY.GARRIE@USDA.GOV
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