112
FNUS72 KCAE 112020
FWSCAE

Spot Forecast for Compartment 311...USFS
National Weather Service Columbia SC
320 PM EST Thu Dec 11 2025

Forecast is based on ignition time of 0700 EST on December 12.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry with slightly warmer temperatures expected tomorrow at the
burn site as high pressure slides of to our southeast. Light and
variable winds expected at initialization time, with increasing
surface winds from the southwest through the day, topping out
in the 5-10 mph range. Afternoon RH values expected to be around
40%, potentially a bit lower as mixing occurs through the day.
Good RH recoveries can also be expected overnight as moisture
begins to increase in the area, but fog is not anticipated.


.FRIDAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 61.
Min humidity........42 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 6 mph in
                    the late morning and afternoon.
Mixing height.......3100 ft AGL.
Transport winds.....Southwest 7 to 16 mph shifting to the west 13
                    to 21 mph in the afternoon.
LVORI...............3.
ADI.................7 early in the morning increasing to 68 in the
                    afternoon.

TIME (EST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   1   0   1   3   2   3   5   5   4   11
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0
Temp............32  34  40  46  51  55  58  59  60  61  58
RH..............84  82  73  63  54  47  44  44  42  43  49
Aparnt tmp (F)..32  34  38  44  49  55  58  59  60  61  58
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind dir..210 210 220 230 230 230 240 240 240 240 230
20 FT wind spd..2   2   3   5   6   7   7   7   7   6   6
20 FT wind gust.5   7   8   10  13  14  16  15  15  14  13
Mix hgt (kft)...0.4 0.4 0.7 1.0 1.5 2.2 2.6 2.9 3.1 2.8 0.7
Transp wind dir.SW  SW  SW  SW  SW  W   W   W   W   W   SW
Transp wind dir.210 210 220 240 240 250 250 260 260 250 240
Transp wind spd.7   7   10  14  16  20  20  21  21  20  13
LVORI...........4   4   3   2   1   1   1   1   1   1   2
ADI.............7   7   11  16  31  52  58  66  68  60  10

.FRIDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 37.
Max humidity........100 percent.
Wind (20 ft)........Southwest winds 5 to 6 mph in the evening
                    becoming light.
Mixing height.......300 ft AGL.
Transport winds.....West 8 to 13 mph.
LVORI...............6.
ADI.................4 to 6.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........8   9   11  16  21  22  24  25  23  20  18  17
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............55  51  47  45  45  44  44  43  42  40  39  38
RH..............57  65  71  76  79  83  86  89  94  99  100 100
Aparnt tmp (F)..55  51  46  44  44  43  44  43  42  40  39  38
20 FT wind dir..SW  SW  SW  SW  SW  SW  W   W   W   W   W   W
20 FT wind dir..220 220 230 230 230 240 250 250 250 260 260 270
20 FT wind spd..5   3   3   3   3   3   2   2   2   2   2   2
20 FT wind gust.12  9   9   9   9   9   8   8   8   7   7   6
Mix hgt (kft)...0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3
Transp wind dir.SW  SW  SW  W   W   W   W   W   W   W   W   W
Transp wind dir.230 230 240 250 250 250 260 260 260 270 270 280
Transp wind spd.13  13  10  10  10  10  10  10  10  9   9   8
LVORI...........3   3   3   4   4   5   5   6   6   9   9   9
ADI.............6   6   5   5   5   5   5   5   5   4   4   4

.SATURDAY...

Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 64.
Min humidity........54 percent.
Wind (20 ft)........Light winds.
Mixing height.......3500 ft AGL.
Transport winds.....West 7 to 12 mph.
LVORI...............5.
ADI.................7 early in the morning increasing to 49 in the
                    afternoon.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  15  14  12  11  11  12  12  11  10  9   16
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............38  39  41  46  50  54  58  61  63  64  63  61
RH..............100 100 97  91  83  73  64  58  55  54  55  60
Aparnt tmp (F)..38  39  41  46  50  54  58  61  63  64  63  61
20 FT wind dir..W   W   W   W   W   W   W   W   W   SW  SW  SW
20 FT wind dir..280 280 280 280 280 270 260 250 250 240 240 240
20 FT wind spd..2   2   2   2   2   2   3   3   3   3   3   3
20 FT wind gust.5   5   5   5   6   7   7   8   8   8   8   7
Mix hgt (kft)...0.3 0.4 0.5 0.7 1.1 1.6 2.3 2.8 3.3 3.5 3.3 2.5
Transp wind dir.W   W   W   W   W   W   W   W   W   W   SW  SW
Transp wind dir.290 290 290 280 280 280 270 260 260 250 240 240
Transp wind spd.8   7   7   7   7   8   8   9   10  12  12  10
LVORI...........8   8   6   5   4   3   2   1   1   1   1   1
ADI.............8   7   7   7   10  17  23  32  41  49  47  32

$$
Forecaster...Carlberg
Requested by...Curtis Shell
Type of request...PRESCRIBED
.TAG 2527514.0/CAE
.DELDT 12/11/25
.FormatterVersion 2.0.0
.EMAIL curtis.shell@usda.gov