353
FNUS72 KCHS 220816
FWSCHS

Spot Forecast for C74...USFS
National Weather Service Charleston SC
416 AM EDT Tue Apr 22 2025

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

.DISCUSSION...
Surface high pressure tucked along the southeast coast will
maintain rain-free conditions across the coastal areas through
tonight. Light south-southwesterly winds this morning and into
the afternoon. However, sea breeze will develop and press through
the burn site during the mid to late afternoon (4-6 pm). Winds
will remain out of the south with passage of the sea breeze, but
there will be an uptick in wind speeds along with some gusts into
the lower teens.

Fog potential for tonight: Low overall. However, patchy fog is
possible late tonight into Wednesday morning.


.REST OF TODAY...

Sky/weather.........Mostly sunny.
Chance of pcpn......10 percent.
Max temperature.....Around 82.
Min humidity........51 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph in
                    the afternoon, then shifting to the south
                    around 7 mph late in the afternoon.
Mixing Height.......Max 6900 ft AGL.
Transport winds.....Southwest 8 to 12 mph.
Max ADI.............84.
Inversion End.......0900

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........36  33  39  46  54  62  60  66  65
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   10  10  10
Temp............68  72  76  79  80  82  82  81  79
RH..............93  81  66  60  56  51  51  54  60
20 FT wind dir..SW  SW  SW  SW  W   SW  SW  SW  S
20 FT wind spd..3   3   4   5   5   5   5   5   7
20 FT wind gust.4   9   9   11  9   11  11  11  13
Mix hgt (kft)...1.4 2.1 3.9 5.9 6.6 6.9 6.7 5.9 3.8
Transp wind dir.SW  SW  SW  SW  SW  SW  S   S   S
Transp wind spd.8   8   8   8   8   8   12  12  12
LVORI...........5   3   3   1   1   1   1   1   1
ADI.............14  22  38  53  58  68  84  84  63

.TONIGHT...

Sky/weather.........Mostly cloudy. Patchy fog after 3 am.
Chance of pcpn......10 percent.
Min temperature.....Around 62.
Max humidity........100 percent.
Wind (20 ft)........South winds 5 to 7 mph in the evening becoming
                    light.
Max LVORI...........10.
Min ADI.............1.
Inversion Begin.....2000

TIME (EDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........68        84        74        51
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of pcpn (%).10        10        10        10
Temp............77        69        65        63
RH..............64        84        100       100
20 FT wind......S 7G13    S 5G11    S 3G4     S 2
Mix hgt (ft)....2700      400       400       400
Transport wind..S 10      S 6       SW 2      S 2
LVORI...........3         5         10        10
ADI.............1         4         2         1

.WEDNESDAY...

Sky/weather.........Partly sunny. Patchy fog early in the morning.
                    Chance of showers and slight chance of
                    thunderstorms in the morning, then showers and
                    thunderstorms likely in the afternoon.
Chance of pcpn......60 percent.
Max temperature.....Around 85.
Min humidity........57 percent.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms in the late morning and
                    afternoon.
Mixing Height.......Max 4900 ft AGL.
Transport winds.....Light winds becoming southeast around 8 mph
                    late in the afternoon.
Max ADI.............33.
Inversion End.......0900

TIME (EDT)      6 AM         10 AM        2 PM
Sky (%).........63           49           61
Weather type....FOG          RNSHWR       RNSHWR
Tstm cov........             S CHC        LIKELY
Chc of pcpn (%).10           30           60
Temp............62           75           83
RH..............100          79           57
20 FT wind......S 1G2        S 1G4        S 3G11
Mix hgt (ft)....400          2100         4900
Transport wind..S 0          SW 4         SW 4
LVORI...........10           4            1
ADI.............1            12           33

$$
Forecaster...Adam
Requested by...M Leslie
Type of request...PRESCRIBED
.TAG 2511213.0/CHS
.DELDT 04/22/25
.FormatterVersion 2.0.0
.EMAIL michael.c.leslie@usda.gov