Suppression Forecast
Issued by NWS Columbia, SC

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566
FNUS72 KCAE 221230
FWSCAE

Spot Forecast for SRS Comp 80...USFS
National Weather Service Columbia SC
830 AM EDT Thu May 22 2025

Forecast is based on ignition time of 0900 EDT on May 22.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Morning inversion will mix out between 10-11am, with steadily
increasing winds this afternoon. Late this morning, west winds
sustained 12-18 mph late morning with gusts 20-25 mph are expected.
Winds will strengthen by early afternoon through the evening, still
out of the west with sustained 16-24 mph and gusts 28-30 mph. Some
periodic gusts over 35 mph are possible as well during peak heating
mid-afternoon. After roughly 8pm, winds will quickly weaken and go
light overnight. No fog expected but a brief shower is possible
early Friday morning.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 87.
Min humidity........35 percent.
Wind (20 ft)........West winds 8 to 14 mph this morning. Gusts up to
28 mph in the afternoon.
Mixing height.......7100 ft AGL.
Transport winds.....West 12 to 21 mph increasing to 26 to 28 mph in
                    the afternoon.
LVORI...............2.
ADI.................21 early in the morning increasing to 121 in
                    the afternoon.

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  1   1   1   1   1   1   2   1
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
Temp............73  77  81  83  85  86  86  86  86
RH..............53  47  39  38  36  35  36  36  35
Aparnt tmp (F)..73  77  81  82  84  84  85  85  84
20 FT wind dir..W   W   W   W   W   W   W   W   W
20 FT wind dir..270 270 280 280 280 280 280 280 280
20 FT wind spd..5   6   8   9   12  13  13  14  14
20 FT wind gust.12  14  17  18  22  24  23  27  28
Mix hgt (kft)...1.5 2.3 3.2 4.2 5.2 6.1 6.7 7.1 6.7
Transp wind dir.W   W   W   W   W   W   W   W   W
Transp wind dir.290 290 290 280 280 280 280 280 280
Transp wind spd.12  13  17  21  24  26  26  28  28
LVORI...........2   1   1   1   1   1   1   1   1
ADI.............21  37  59  93  92  109 113 121 118

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 63.
Max humidity........75 percent.
Wind (20 ft)........West winds 6 to 12 mph early in the evening
                    becoming light.
Mixing height.......400 ft AGL.
Transport winds.....West 16 to 24 mph becoming northwest around 3
                    mph.
LVORI...............2.
ADI.................95 early in the evening decreasing to 2 late in
                    the night.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........4      18     2      9      15     19
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
Temp............86     81     73     69     68     65
RH..............36     46     59     66     63     70
Aparnt tmp (F)..85     81     73     69     68     65
20 FT wind......W 12   W 6    W 1    W 1    W 1    N 0
20 FT wind gust.21     14     9      7      6      3
20 FT wind dir..270    270    280    290    290    000
Mix hgt (ft)....5600   500    500    400    400    400
Transp wind dir.280    280    300    320    320    330
Transport wind..W 24   W 14   NW 9   NW 7   NW 6   NW 3
LVORI...........1      2      3      3      3      3
ADI.............95     6      4      3      3      2

.FRIDAY...

Sky/weather.........Sunny (20-30 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 83.
Min humidity........38 percent.
Wind (20 ft)........Light winds becoming west 5 to 7 mph in the
                    afternoon.
Mixing height.......6000 ft AGL.
Transport winds.....Northwest 5 to 9 mph shifting to the west 13 to
                    20 mph in the afternoon.
LVORI...............3.
ADI.................2 early in the morning increasing to 131 in the
                    afternoon.

TIME (EDT)      6 AM         10 AM        2 PM
Sky (%).........19           27           28
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
Chc of pcpn (%).10           10           10
Temp............64           71           80
RH..............70           57           41
Aparnt tmp (F)..64           71           80
20 FT wind......N 0G3        NW 2G9       W 7G16
20 FT wind dir..000          300          260
Mix hgt (ft)....500          2500         5900
Transp wind dir.340          320          270
Transport wind..N 5          NW 8         W 20
LVORI...........3            2            1
ADI.............2            26           129

$$
Forecaster...Gropp
Requested by...Brandon Hughes
Type of request...PRESCRIBED
.TAG 2514508.0/CAE
.DELDT 05/22/25
.FormatterVersion 2.0.0
.EMAIL brandon.hughes@usda.gov