541
FNUS74 KOUN 112212
FWSOUN

Spot Forecast for Lake Humphreys Rx...BIA Eastern Oklahoma Region
National Weather Service Norman OK
412 PM CST Tue Nov 11 2025

Forecast is based on ignition time of 1100 CST on November 13.
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...

Warm and dry weather is expected during the late week period.
Both Thursday and Friday afternoon will feature occasionally gusty
southwesterly winds, with a few gusts exceeding 25 mph possible
on Friday.

Will monitor trends in afternoon relative humidity on Friday, as
with well above-normal temperatures and gusty winds, at least
transient elevated fire weather conditions cannot be discounted.

.THURSDAY...

Sky/weather.........Sunny.
Temperature.........68 at ignition...Max 78.
RH..................55 percent at ignition...Min 38 percent.
Wind (20 ft)........Winds south at 12 mph at ignition...otherwise
                    South winds 9 to 13 mph.
Mixing height.......1500 ft AGL at ignition...otherwise 3500 ft
                    AGL.
Transport winds.....South 15 to 22 mph.
Smoke dispersal.....Fair to excellent (19200-67000 knot-ft).

TIME (CST)      11 AM  1 PM   3 PM   5 PM
Sky (%).........20     15     14     15
Weather cov.....
Weather type....NONE   NONE   NONE   NONE
Tstm cov........
Temp............68     75     78     75
RH..............55     43     38     45
20 FT wind dir..S      S      S      S
20 FT wind spd..10     13     13     9
20 FT wind gust.18     21     21     16
Mix hgt (ft)....1500   2600   3500   1700
Transport wind..S 15   S 18   S 22   S 18
VRate ktft/1000.19     42     67     27

.THURSDAY NIGHT...

Sky/weather.........Mostly clear.
Temperature.........Min 55.
RH..................Max 86 percent.
Wind (20 ft)........South winds 7 to 8 mph.
Mixing height.......400 ft AGL.
Transport winds.....South 16 to 20 mph.
Smoke dispersal.....Poor (5700-9500 knot-ft).

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........15     13     14     19     20     21
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............72     67     64     63     60     57
RH..............51     65     73     75     81     83
20 FT wind dir..S      S      S      S      S      S
20 FT wind spd..7      7      8      8      8      8
20 FT wind gust.14     15     16     15     15     15
Mix hgt (ft)....700    400    400    400    400    400
Transport wind..S 16   S 18   S 20   S 20   S 18   S 18
VRate ktft/1000.10     6      7      8      7      6

.FRIDAY...

Sky/weather.........Sunny.
Temperature.........Max 81.
RH..................Min 42 percent.
Wind (20 ft)........South winds 9 to 15 mph.
Mixing height.......3900 ft AGL.
Transport winds.....Southwest 18 to 22 mph.
Smoke dispersal.....Poor to excellent (7000-73500 knot-ft).

TIME (CST)      6 AM      9 AM      NOON      3 PM
Sky (%).........23        17        6         11
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............56        63        76        81
RH..............86        75        50        42
20 FT wind dir..S         S         S         S
20 FT wind spd..9         13        15        15
20 FT wind gust.16        21        23        24
Mix hgt (ft)....400       1400      2600      3900
Transport wind..S 18      SW 22     SW 21     S 22
VRate ktft/1000.7         27        47        74

$$
Forecaster...UNGAR
Requested by...Josh Williams
Type of request...PRESCRIBED
.TAG 2525627.0/OUN
.DELDT 11/11/25
.FormatterVersion 2.0.0
.EMAIL joshuad.williams@bia.gov,jacie.richardson@bia.gov,jacob.wisehart@bia.gov