351
FNUS74 KTSA 081501
FWSTSA

Spot Forecast for Lake Tilwanda Unit #1...BIA Choctaw Nation Forestry
National Weather Service Tulsa OK
901 AM CST Wed Jan 8 2025

Forecast is based on ignition time of 0900 CST on January 08.
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...
Clear skies through the evening with no chance of precipitation.
NNW winds around 5-10 mph this afternoon becoming calm or light
out of the south at less than 5 mph overnight. Temperatures
initially in the lower 20s this morning rise to the mid 30s this
afternoon. Low temperatures in the lower 20s again tonight. Clouds
increase overnight with very low chance of precipitation
developing by early tomorrow morning.

.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 36.
Min humidity........36 percent.
Dewpoint............12.
Wind (20 ft)........Light winds becoming north around 5 mph early
                    in the afternoon, then becoming light late in
                    the afternoon.
Mixing height.......3100 ft AGL.
Transport winds.....North 7 to 16 mph.
Smoke dispersal.....Good (31475 knot-ft).
Stability class.....4.
1700FT Avg MIX T(F).-30.

TIME (CST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   3   2   2   2   3   1   0   2
Weather cov.....
Weather type....
Tstm cov........
Temp............22  26  29  31  33  35  36  36  34
Dewpoint........13  13  12  12  12  12  13  12  13
RH..............67  58  50  45  41  38  38  36  41
20 FT wind dir..N   N   N   N   N   N   NW  NW  N
20 FT wind spd..4   4   5   5   5   5   4   2   1
20 FT wind gust.10  10  10  10  10  10  7   6   2
Mix hgt (kft)...1.7 2.2 2.5 2.6 2.8 3.1 3.1 2.8 2.1
Transp wind dir.N   N   N   N   N   NW  NW  NW  NW
Transp wind spd.15  16  15  14  12  10  10  9   7
Vrate kt-ft/1K..33  33  33  31  31  31  31  31  31
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR
1700FT Mix T(F).-30 -30 -30 -30 -30 -30 -30 -30 -30

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent) then becoming
                    mostly cloudy (60-70 percent).
Min temperature.....Around 21.
Max humidity........74 percent.
Dewpoint............14.
Wind (20 ft)........Light winds in the evening and overnight.
Mixing height.......400 ft AGL.
Transport winds.....Northwest around 3 mph shifting to the south 3
                    to 10 mph early in the evening.
Smoke dispersal.....Poor (1967 knot-ft).
Stability class.....6.
1700FT Avg MIX T(F).-30.

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   4   3   4   5   4   12  12  9   17  40  63
Weather cov.....
Weather type....
Tstm cov........
Temp............31  29  27  25  24  23  22  22  22  22  23  23
Dewpoint........13  14  13  14  14  14  14  15  15  15  15  15
RH..............47  53  55  62  65  68  71  74  74  74  71  71
20 FT wind dir..NW  N   N   N   N   N   S   S   S   S   S   S
20 FT wind spd..1   0   0   0   0   0   1   1   1   1   1   2
20 FT wind gust.2   2   2   2   2   2   2   2   2   4   5   5
Mix hgt (kft)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.NW  NW  SE  S   S   S   S   S   S   S   S   S
Transp wind spd.3   3   3   3   5   5   5   8   7   8   9   10
Vrate kt-ft/1K..2   2   2   2   2   2   4   4   4   4   4   4
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
1700FT Mix T(F).-30 -30 -30 -30 -30 -30 -30 -30 -30 -30 -30 -30

$$
Forecaster...M.RADA
Requested by...Sam McFarland
Type of request...PRESCRIBED
.TAG 2500260.0/TSA
.DELDT 01/08/25
.FormatterVersion 2.0.0
.EMAIL smcfarland@choctawnation.com