590
FNUS72 KCHS 300649
FWSCHS

Spot Forecast for FMF C93B...USFS
National Weather Service Charleston SC
249 AM EDT Wed Sep 30 2026

Forecast is based on ignition time of 1000 EDT on September 30.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
High pressure will remain the dominant feature today, yielding
mostly sunny skies at the burn site. Some shallow ground fog is
possible this morning, likely dissipating quickly with sunrise. RH
values this afternoon are forecast to drop to around 45%. Fog is
in the forecast tonight into Thursday morning. The greatest
chances for fog are just inland of the burn site, however chances
of fog at the burn site are around 30-40%.


.REST OF TODAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
Max temperature.....Around 88.
Min humidity........48 percent.
Wind (20 ft)........Light winds.
Mixing Height.......Max 5900 ft AGL.
Transport winds.....East around 6 mph late in the morning becoming
                    light, then becoming east around 6 mph late in
                    the afternoon.
Max ADI.............37.
Inversion End.......1100.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........16  9   10  7   7   2   3   8
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0
Temp............78  82  85  86  87  87  86  84
RH..............76  65  55  51  48  48  48  53
20 FT wind dir..NE  NE  E   E   E   E   SE  SE
20 FT wind spd..2   2   2   2   2   3   4   4
20 FT wind gust.7   7   7   5   5   7   9   11
Mix hgt (kft)...1.3 2.9 4.1 5.2 5.9 5.8 5.1 3.6
Transp wind dir.E   E   E   E   E   E   E   E
Transp wind spd.6   6   4   4   4   6   6   6
LVORI...........4   3   2   2   2   1   1   2
ADI.............10  25  28  28  30  37  34  30

.TONIGHT...

Sky/weather.........Mostly clear.
Chance of pcpn......0 percent.
Min temperature.....Around 65.
Max humidity........100 percent.
Wind (20 ft)........Light winds.
Max LVORI...........10.
Min ADI.............1.
Inversion Begin.....1900.

TIME (EDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........3         9         4         15
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of pcpn (%).0         0         0         0
Temp............81        70        68        66
RH..............60        97        100       100
20 FT wind......SE 3G11   E 1G5     N 0G4     N 0G2
Mix hgt (ft)....2300      400       400       400
Transport wind..SE 4      E 0       N 0       N 0
LVORI...........3         9         10        10
ADI.............1         1         1         1

.THURSDAY...

Sky/weather.........Sunny. Patchy fog early in the morning.
Chance of pcpn......0 percent.
Max temperature.....Around 87.
Min humidity........55 percent.
Wind (20 ft)........Light winds.
Mixing Height.......Max 4900 ft AGL.
Transport winds.....Light winds becoming southeast around 6 mph.
Max ADI.............32.
Inversion End.......1000.

TIME (EDT)      6 AM         10 AM        2 PM
Sky (%).........32           12           28
Weather type....FOG          NONE         NONE
Tstm cov........
Chc of pcpn (%).0            0            0
Temp............65           78           87
RH..............100          82           55
20 FT wind......N 0G4        E 1G5        E 3G9
Mix hgt (ft)....400          2300         4900
Transport wind..NE 0         E 4          E 4
LVORI...........10           3            2
ADI.............1            17           26

$$
Forecaster...Maskell
Requested by...kelly wetzel
Type of request...PRESCRIBED
.TAG 2622759.0/CHS
.DELDT 09/30/26
.FormatterVersion 2.0.0
.EMAIL kelly.wetzelwilson@usda.gov