141
FNUS74 KTSA 132216
FWSTSA

Spot Forecast for Garland Trl Fire...Oklahoma Forestry Services
National Weather Service Tulsa OK
516 PM CDT Thu Aug 13 2026

Forecast is based on forecast start time of 1800 CDT on August 13.
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.

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SUNDAY...

.DISCUSSION...

Humidity will recover overnight tonight as dewpoint temperatures
remain in the upper 60s over the region. Southerly winds will also
calm after sunset falling to below 10 mph through the overnight
hours. A similar day to today is expected tomorrow across the burn
area, with temperatures rising to the upper 90s or lower 100s by
afternoon under clear skies, while humidity drops into the 30
percent range and winds gusts to around 20 mph again.

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 77.
Max humidity........76 percent.
Dewpoint............66 increasing to 69 after 3 am.
Wind (20 ft)........South winds 5 to 7 mph early in the evening
                    becoming light, then becoming south 5 to 6 mph
                    late in the evening.
Mixing height.......500 ft AGL.
Transport winds.....South 10 to 17 mph.
Smoke dispersal.....Excellent (113442 knot-ft) early in the evening
                    decreasing to poor (5901 knot-ft) late in the
                    night.
Stability class.....4.
1700FT Avg MIX T(F).92 decreasing to 86 after 3 am.
Eye level winds.....South winds 5 to 6 mph early in the evening
                    becoming light, then becoming south around 5
                    mph late in the evening.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   1   5   6   4   4   5   6   4   5   5   12
Weather cov.....
Weather type....
Tstm cov........
Temp............98  96  93  87  84  83  82  82  81  81  79  79
Dewpoint........66  65  64  65  66  66  66  66  67  68  69  69
RH..............35  36  38  48  55  57  58  58  63  65  72  72
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..6   5   4   4   3   4   4   4   4   4   5   5
20 FT wind gust.13  12  11  10  10  10  10  11  12  12  12  12
Eye lvl wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Eye lvl wnd spd.6   5   4   4   3   4   4   4   4   4   5   5
Eye lvl wnd gst.13  12  11  10  10  10  10  11  12  12  12  12
Mix hgt (kft)...6.8 4.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.17  16  13  12  10  12  13  13  14  14  14  13
Vrate kt-ft/1K..113 63  63  63  63  63  63  6   6   6   6   6
Ventrate Cat....VGD GD  GD  GD  GD  GD  GD  PR  PR  PR  PR  PR
1700FT Mix T(F).97  97  97  97  97  95  94  92  90  88  86  86

.FRIDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....Around 98.
Min humidity........32 percent.
Dewpoint............69 decreasing to 65 late in the afternoon.
Wind (20 ft)........South winds 6 to 7 mph.
Mixing height.......6600 ft AGL.
Transport winds.....South 12 to 17 mph.
Smoke dispersal.....Poor (5901 knot-ft) early in the morning
                    increasing to excellent (94426 knot-ft) in the
                    afternoon.
Stability class.....4.
1700FT Avg MIX T(F).88 increasing to 95 late in the afternoon.
Eye level winds.....South winds 5 to 6 mph.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........14  19  17  18  8   1   3   2   2   3   3   0
Weather cov.....
Weather type....
Tstm cov........
Temp............78  77  79  81  84  88  90  93  95  97  98  98
Dewpoint........69  69  70  71  71  71  71  70  69  67  66  64
RH..............74  76  74  72  65  57  54  47  43  38  35  33
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..5   5   5   6   6   6   6   6   6   6   6   6
20 FT wind gust.12  13  13  13  12  12  12  12  12  12  12  12
Eye lvl wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Eye lvl wnd spd.5   5   5   6   6   6   6   6   6   6   6   6
Eye lvl wnd gst.12  13  13  13  12  12  12  12  12  12  12  12
Mix hgt (kft)...0.4 0.5 1.7 1.9 2.4 2.9 3.5 4.2 5.3 6.0 6.6 6.6
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.13  12  17  16  17  16  16  16  16  16  16  16
Vrate kt-ft/1K..6   51  51  51  51  51  51  94  94  94  94  94
Ventrate Cat....PR  FR  FR  FR  FR  FR  FR  GD  GD  GD  GD  GD
1700FT Mix T(F).86  86  86  85  84  86  87  89  91  93  95  96

$$
Forecaster...M.BOWLAN
Requested by...Leon Macon
Type of request...WILDFIRE
.TAG 2619644.0/TSA
.DELDT 08/13/26
.FormatterVersion 2.0.0
.EMAIL leon.macon@ag.ok.gov