659
FNUS74 KOUN 221738
FWSOUN

Spot Forecast for 3RR Research Rx...TTU
National Weather Service Norman OK
1238 PM CDT Mon Sep 22 2025

Forecast is based on ignition time of 1300 CDT on September 24.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (405) 325-3816 if you have questions
or concerns with this forecast.

.DISCUSSION...
By ignition time, showers should be moving out of the area,
transitioning us into a drier pattern. Winds are expected to be
light and northerly with a minimum RH of around 55 percent. Note
that RH values may stay above 80 percent through much of Wednesday
morning.

We recommend submitting additional requests tomorrow and Wednesday
to get the most up to date forecast for this burn.

.WEDNESDAY...

Sky/weather.........Mostly sunny then becoming sunny late in the
                    afternoon.
Max temperature.....Around 79.
Min humidity........56 percent.
Wind (20 ft)........North winds 9 to 12 mph.
Mixing height.......6100 ft AGL.
Transport winds.....North 16 to 17 mph.
Smoke dispersal.....Excellent (72000-85800 knot-ft).

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........37  31  24  18  16
Weather cov.....
Weather type....
Tstm cov........
Temp............74  75  77  78  77
RH..............69  64  60  56  58
20 FT wind dir..N   N   N   N   N
20 FT wind spd..12  12  10  10  9
20 FT wind gust.20  20  17  17  16
Mix hgt (kft)...4.8 5.4 5.9 6.1 6.0
Transp wind dir.N   N   N   N   N
Transp wind spd.17  17  16  16  16
VRate ktft/1000.72  82  83  86  84

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear.
Min temperature.....Around 58.
Max humidity........100 percent.
Wind (20 ft)........North winds 5 to 9 mph.
Mixing height.......400 ft AGL.
Transport winds.....North 12 to 15 mph.
Smoke dispersal.....Poor to excellent (3600-72000 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........15  13  14  16  17  14  11  8   8   8   8   8
Weather cov.....
Weather type....
Tstm cov........
Temp............76  75  72  69  67  66  64  63  62  61  60  59
RH..............60  62  68  76  81  84  87  90  93  93  96  100
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   NW  NW
20 FT wind spd..9   8   7   6   6   5   5   5   5   6   6   6
20 FT wind gust.16  14  13  10  9   7   7   7   7   9   9   9
Mix hgt (kft)...5.5 4.8 3.5 2.2 1.1 0.6 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.N   N   N   N   N   N   N   N   N   NW  NW  NW
Transp wind spd.15  15  15  15  15  14  13  12  12  12  12  12
VRate ktft/1000.72  62  46  28  14  7   5   4   4   4   4   4

.THURSDAY...

Sky/weather.........Sunny.
Max temperature.....Around 81.
Min humidity........41 percent.
Wind (20 ft)........North winds 5 to 6 mph becoming around 5 mph
                    late in the afternoon.
Mixing height.......7300 ft AGL.
Transport winds.....North 9 to 10 mph.
Smoke dispersal.....Poor to excellent (2900-65400 knot-ft).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   9   8   8   7   5   4   2   2   1   1   2
Weather cov.....
Weather type....
Tstm cov........
Temp............59  58  61  64  66  70  73  76  78  79  81  80
RH..............96  100 90  84  78  68  62  54  48  45  41  42
20 FT wind dir..NW  NW  NW  NW  NW  N   N   N   N   N   N   N
20 FT wind spd..6   6   6   6   6   6   6   6   6   6   5   5
20 FT wind gust.9   9   9   9   9   9   10  10  10  9   7   7
Mix hgt (kft)...0.3 0.4 0.6 1.1 1.9 3.3 4.9 6.2 7.0 7.3 6.8 5.3
Transp wind dir.NW  NW  NW  N   N   N   N   N   N   N   N   N
Transp wind spd.10  10  10  9   9   9   10  10  10  10  10  9
VRate ktft/1000.3   4   6   9   15  26  44  56  63  65  61  43

$$
Forecaster...DAY
Requested by...Duane Lucia
Type of request...PRESCRIBED
.TAG 2522331.0/OUN
.DELDT 09/24/25
.FormatterVersion 2.0.0
.EMAIL duane_lucia@fws.gov