398
FNUS74 KTSA 181415
FWSTSA
SPOT FORECAST FOR 225 CLASS BURN...OKLAHOMA MILITARY DEPT
NATIONAL WEATHER SERVICE TULSA OK
915 AM CDT THU SEP 18 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON SEPTEMBER 18.
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
AN OUTFLOW BOUNDARY APPROACHING FROM THE WEST WILL LIKELY BECOME
DIFFUSE BY MIDDAY, SO WINDS IN THE CAMP GRUBER AREA AROUND FIRE
START TIME SHOULD BE LIGHT AND VARIABLE. A LIGHT SOUTH TO
SOUTHWEST WIND IS EXPECTED BY THIS AFTERNOON, WITH SCATTERED
AFTERNOON POP-UP SHOWERS AND STORMS EXPECTED, ESPECIALLY AFTER 4
PM. STORMS SHOULD DECREASE IN COVERAGE AFTER SUNSET. A WEAK FRONT
IS EXPECTED TO REACH THE SITE BY AROUND 7 PM, WITH A WIND SHIFT TO
THE NORTH OR NORTHWEST EXPECTED. WIND SPEEDS SHOULD REMAIN BETWEEN
5 AND 10 MPH WITH THE WIND SHIFT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........44 PERCENT.
DEWPOINT............66.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......7200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 9 MPH SHIFTING TO THE NORTH
AROUND 8 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (22295 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (59016 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....2.
1700FT AVG MIX T(F).89.
TIME (CDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P
SKY (%).........34 29 25 48 46 55 51 60
WEATHER COV..... SCH SCH SCH CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC
TEMP............79 83 86 89 90 91 89 87
DEWPOINT........67 67 66 66 66 66 65 66
RH..............67 59 51 47 45 44 45 50
20 FT WIND DIR..S SW SW SW SW W W NW
20 FT WIND SPD..2 2 2 3 3 3 2 3
20 FT WIND GUST.4 5 6 6 6 6 6 6
MIX HGT (KFT)...1.2 2.0 3.6 6.1 7.0 7.2 6.1 2.3
TRANSP WIND DIR.S SW W SW W W NW N
TRANSP WIND SPD.7 8 7 8 9 9 9 8
VRATE KT-FT/1K..22 22 22 59 59 59 59 59
VENTRATE CAT....PR PR PR FR FR FR FR FR
1700FT MIX T(F).88 88 88 89 89 89 90 90
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
SHOWERS IN THE EVENING AND OVERNIGHT. CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. SHOWERS LIKELY
AFTER 3 AM.
MIN TEMPERATURE.....AROUND 66.
MAX HUMIDITY........100 PERCENT.
DEWPOINT............68.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 7 MPH SHIFTING TO THE SOUTHEAST
AROUND 8 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE EAST 8 TO 9 MPH EARLY IN THE
EVENING SHIFTING TO THE SOUTH AROUND 5 MPH
OVERNIGHT SHIFTING TO THE NORTHEAST 6 TO 8 MPH.
SMOKE DISPERSAL.....GOOD (59016 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3278 KNOT-FT) LATE IN THE
NIGHT.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).87.
TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID
SKY (%).........57 65 68 71 88 75 74 72 74 71 75 67
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
TEMP............86 81 78 74 72 72 71 70 69 69 68 68
DEWPOINT........66 68 68 69 69 69 70 69 69 69 68 68
RH..............51 65 71 84 90 90 97 97 100 100 100 100
20 FT WIND DIR..NE SE E E E E S S E NE NW N
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.5 5 4 4
MIX HGT (KFT)...1.8 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.E SE E E E SE SE S N NE NW NE
TRANSP WIND SPD.7 8 8 8 9 9 8 5 6 6 8 7
VRATE KT-FT/1K..59 5 5 5 5 5 5 3 3 3 3 3
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).90 91 91 90 90 90 89 88 87 86 85 83
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SHOWERS LIKELY
EARLY IN THE MORNING. CHANCE OF THUNDERSTORMS
EARLY IN THE MORNING. CHANCE OF SHOWERS IN THE
MORNING.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........50 PERCENT.
DEWPOINT............67.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE MORNING.
MIXING HEIGHT.......5300 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH SHIFTING TO THE NORTH
AROUND 5 MPH EARLY IN THE MORNING, THEN
SHIFTING TO THE SOUTHEAST 6 TO 7 MPH EARLY IN
THE MORNING SHIFTING TO THE SOUTHWEST 7 TO 8
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (3278 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (38032 KNOT-FT) IN THE
AFTERNOON.
STABILITY CLASS.....4.
1700FT AVG MIX T(F).83.
TIME (CDT) 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P
SKY (%).........57 61 64 54 49 43 35 28 25 24 25 24
WEATHER COV.....LKY CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC
TEMP............68 66 68 70 74 78 81 83 85 87 87 87
DEWPOINT........68 66 67 67 68 68 68 68 67 67 66 66
RH..............100 100 97 90 82 71 65 61 55 52 50 50
20 FT WIND DIR..NE NE SE S S S S S SW SW SW S
20 FT WIND SPD..2 2 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST. 4 5 6 6 6 6 6 6 5
MIX HGT (KFT)...0.5 0.5 0.5 0.8 1.3 2.0 2.9 3.7 4.6 5.3 5.3 4.1
TRANSP WIND DIR.NE N SE S S S SW SW SW SW SW S
TRANSP WIND SPD.6 5 6 7 7 7 7 7 7 8 8 8
VRATE KT-FT/1K..3 18 18 18 18 18 18 38 38 38 38 38
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
1700FT MIX T(F).82 82 81 82 82 82 81 82 83 84 85 86
FORECASTER...LACY
REQUESTED BY...BRIAN WEATHERFORD
TYPE OF REQUEST...PRESCRIBED
.TAG 2522144.0/TSA
.DELDT 09/18/25
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.C.WEATHERFORD.NFG@ARMY.MIL
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