860
FNUS74 KTSA 281128
FWSTSA

Spot Forecast for OK-Blackjack South...US Forest Service
National Weather Service Tulsa OK
528 AM CST Fri Feb 28 2025

Forecast is based on ignition time of 1100 CST on February 28.
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...
Southwest winds of up to 10 mph, with gusts of 15-20 mph, are
expected today. Temperatures will warm into the mid 70s, with
afternoon humidity values falling below 25 percent.

.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 74.
Min humidity........22 percent.
Dewpoint............33.
Wind (20 ft)........Southwest winds 6 to 8 mph. Gusts up to 22 mph
                    late in the morning.
Mixing height.......4600 ft AGL.
Transport winds.....West 15 to 22 mph.
Smoke dispersal.....Good (48524 knot-ft) early in the morning
                    increasing to excellent (89836 knot-ft) in the
                    afternoon.
Stability class.....3.
1700FT Avg MIX T(F).71.

TIME (CST)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   2   3   2   1   3
Weather cov.....
Weather type....
Tstm cov........
Temp............65  69  71  73  74  73  72
Dewpoint........33  33  33  34  33  34  33
RH..............30  26  25  24  22  24  24
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..8   8   8   8   8   8   7
20 FT wind gust.17  18  17  18  17  17  14
Mix hgt (kft)...2.8 3.5 4.1 4.5 4.6 4.4 1.5
Transp wind dir.W   W   W   W   W   W   SW
Transp wind spd.20  21  21  21  22  21  15
Vrate kt-ft/1K..49  90  90  90  90  90  90
Ventrate Cat....FR  GD  GD  GD  GD  GD  GD
1700FT Mix T(F).68  69  71  73  74  74  72

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 43.
Max humidity........65 percent.
Dewpoint............34.
Wind (20 ft)........Southwest winds 5 to 6 mph in the evening
                    becoming light.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 10 to 12 mph shifting to the north 8
                    to 10 mph overnight, then shifting to the
                    northeast around 10 mph early in the morning.
Smoke dispersal.....Poor (3934 knot-ft).
Stability class.....6.
1700FT Avg MIX T(F).67.

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   3   3   4   4   3   2   3   4   10  6   7
Weather cov.....
Weather type....
Tstm cov........
Temp............68  62  60  58  56  54  53  51  51  50  47  46
Dewpoint........34  34  35  35  35  35  35  35  35  35  34  34
RH..............28  35  39  42  45  48  50  54  54  56  60  63
20 FT wind dir..SW  SW  SW  W   W   W   NW  N   N   N   N   NE
20 FT wind spd..6   6   5   5   5   4   4   3   3   3   3   3
20 FT wind gust.12  11  10  10  10  10  8   8   7   7   7   7
Mix hgt (kft)...0.6 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.SW  SW  SW  SW  SW  W   W   NW  N   N   N   NE
Transp wind spd.12  12  10  10  12  12  10  10  8   10  10  10
Vrate kt-ft/1K..6   6   6   6   6   6   4   4   4   4   4   4
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
1700FT Mix T(F).71  71  71  71  72  72  72  70  68  66  64  63

.SATURDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 66.
Min humidity........28 percent.
Dewpoint............33.
Wind (20 ft)........Light winds becoming northeast 5 to 6 mph in
                    the late morning and afternoon.
Mixing height.......4200 ft AGL.
Transport winds.....Northeast 9 to 15 mph.
Smoke dispersal.....Good (39344 knot-ft).
Stability class.....4.
1700FT Avg MIX T(F).61.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7   17  8   15  9   7   10  7   5   3   3   3
Weather cov.....
Weather type....
Tstm cov........
Temp............45  44  47  53  57  60  63  65  66  65  64  62
Dewpoint........33  33  33  34  33  33  32  32  32  32  32  33
RH..............63  65  58  48  40  36  31  29  28  29  30  33
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  N   N   NE
20 FT wind spd..3   3   4   5   5   6   6   6   6   6   6   5
20 FT wind gust.7   8   10  10  11  12  12  11  11  11  10  10
Mix hgt (kft)...0.4 0.4 0.5 1.5 2.3 3.2 3.6 3.9 4.2 4.2 3.2 1.8
Transp wind dir.NE  NE  NE  NE  NE  N   N   N   N   N   N   N
Transp wind spd.10  10  9   14  15  14  13  13  13  13  12  10
Vrate kt-ft/1K..39  39  39  39  39  39  48  48  48  48  48  48
Ventrate Cat....PR  PR  PR  PR  PR  PR  FR  FR  FR  FR  FR  FR
1700FT Mix T(F).61  59  57  57  58  61  63  64  65  65  64  62

$$
Forecaster...PLATE
Requested by...RXB2
Type of request...PRESCRIBED
.TAG 2504262.0/TSA
.DELDT 02/28/25
.FormatterVersion 2.0.0
.EMAIL matthew.moe@usda.gov,nolen.caudell@usda.gov,john.wilson2@usda.gov