077
FNUS74 KOUN 091357
FWSOUN

Spot Forecast for CRCC South Rx...BIA Eastern Oklahoma Region
National Weather Service Norman OK
757 AM CST Tue Dec 9 2025

Forecast is based on ignition time of 0900 CST on December 10.
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...

Gusty northerly winds (up to 20-25 mph) are expected at the fire
site on Wednesday morning behind a frontal passage. Despite near-
average temperatures, drier near-surface air will result in
minimum afternoon humidities falling into the low to mid 20%
range.

.WEDNESDAY...

Sky/weather.........Sunny.
Temperature.........50 at ignition...Max 59.
RH..................54 percent at ignition...Min 26 percent.
Wind (20 ft)........Winds north at 12 mph at ignition...otherwise
                    North winds 6 to 12 mph in the late morning and
                    afternoon becoming light.
Mixing height.......1600 ft AGL at ignition...otherwise 3900 ft
                    AGL.
Transport winds.....North 20 to 26 mph decreasing to 13 to 16 mph
                    late in the afternoon.
Smoke dispersal.....Fair to excellent (16000-77600 knot-ft).

TIME (CST)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........19     18     15     12     15
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............50     55     59     59     54
RH..............54     37     27     26     32
20 FT wind dir..N      N      N      N      N
20 FT wind spd..10     12     10     6      3
20 FT wind gust.17     20     17     10     6
Mix hgt (ft)....1600   2800   3700   3700   1500
Transport wind..N 25   N 26   N 24   N 20   N 13
VRate ktft/1000.36     64     78     63     16

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear.
Temperature.........Min 35.
RH..................Max 75 percent.
Wind (20 ft)........Light winds.
Mixing height.......200 ft AGL.
Transport winds.....Northwest 3 to 9 mph shifting to the south 6 to
                    12 mph overnight.
Smoke dispersal.....Poor (1200-4300 knot-ft).

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........16     12     11     13     13     13
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............51     45     40     39     38     36
RH..............37     51     64     67     67     72
20 FT wind dir..N      NW     W      SW     SW     S
20 FT wind spd..2      1      1      1      1      1
20 FT wind gust.3      2      2      2      2      2
Mix hgt (ft)....400    300    400    400    400    400
Transport wind..N 9    NW 7   NW 6   NW 3   SW 6   S 9
VRate ktft/1000.3      2      2      1      2      3

.THURSDAY...

Sky/weather.........Sunny.
Temperature.........Max 64.
RH..................Min 31 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 7 mph in
                    the late morning and afternoon.
Mixing height.......2900 ft AGL.
Transport winds.....Southwest 13 to 20 mph.
Smoke dispersal.....Poor to good (4700-49700 knot-ft).

TIME (CST)      6 AM      9 AM      NOON      3 PM
Sky (%).........14        7         5         8
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............36        45        59        64
RH..............72        58        37        31
20 FT wind dir..SW        SW        SW        SW
20 FT wind spd..2         5         7         6
20 FT wind gust.3         7         13        10
Mix hgt (ft)....400       600       2200      2900
Transport wind..S 13      SW 14     SW 18     SW 18
VRate ktft/1000.5         8         35        46

$$
Forecaster...UNGAR
Requested by...Josh Williams
Type of request...PRESCRIBED
.TAG 2527270.0/OUN
.DELDT 12/09/25
.FormatterVersion 2.0.0
.EMAIL andrew.carr@bia.gov,joshuad.williams@bia.gov,ryan.morrison@bia.gov