Spot Forecast
Issued by NWS Charleston, SC

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892
FNUS72 KCHS 280030
FWSCHS

Spot Forecast for C-171 FM RX...Forest Service
National Weather Service Charleston SC
730 PM EST Thu Feb 27 2025

Forecast is based on ignition time of 0600 EST on February 28.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
A cold front will push across the burn site this evening. Winds will
shift from southwest to northwest with the passage of the cold front,
northwest winds will remain through the rest of tonight. Conditions
across the burn site on Friday will feature relative humidity values
between 25-30 percent and steady winds between 5 to 10 mph. A sea
breeze may push across the burn site late Friday afternoon, resulting
in winds to shift from the southwest.

Fog potential for tonight: None


.FRIDAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
Max temperature.....Around 67.
Min humidity........29 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 6 mph late
                    in the afternoon.
Mixing Height.......Max 5000 ft AGL.
Transport winds.....Light winds becoming west 8 to 10 mph in the
                    late morning and early afternoon, then shifting
                    to the southwest around 14 mph late in the
                    afternoon.
Max ADI.............65.
Inversion End.......0900

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   2   1   2   2   1   1   1   1   1   1   1
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............47  45  48  54  59  62  64  66  66  66  65  62
RH..............68  70  63  50  40  33  31  29  29  32  34  41
20 FT wind dir..NW  NW  NW  NW  NW  NW  W   W   SW  SW  S   S
20 FT wind spd..2   2   3   3   3   3   3   3   4   5   6   6
20 FT wind gust.9   9   4   4   4   4   4   4           9
Mix hgt (kft)...0.4 0.4 0.6 2.0 3.2 4.1 4.6 4.9 5.0 4.7 3.9 2.7
Transp wind dir.NW  NW  NW  NW  NW  NW  W   W   W   SW  SW  SW
Transp wind spd.4   4   4   10  10  10  8   8   8   14  14  14
LVORI...........3   3   3   2   1   1   1   1   1   1   1   1
ADI.............4   4   4   27  45  51  43  46  53  63  65  47

.FRIDAY NIGHT...

Sky/weather.........Clear.
Chance of pcpn......0 percent.
Min temperature.....Around 46.
Max humidity........77 percent.
Wind (20 ft)........South winds around 5 mph early in the evening
                    becoming light.
Max LVORI...........4.
Min ADI.............1.
Inversion Begin.....1800

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   2   1   2   2   3   3   3   4   5   5   5
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............59  55  53  52  51  50  50  50  50  50  48  47
RH..............49  59  66  69  74  77  74  74  71  71  74  74
20 FT wind dir..S   S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..5   4   4   3   3   3   3   2   2   3   3   4
20 FT wind gust.            4   4   4   4           4   4
Mix hgt (kft)...0.6 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.S   S   S   SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.4   4   4   4   4   4   4   4   4   4   4   4
LVORI...........2   3   3   3   3   4   3   3   3   3   3   4
ADI.............3   2   2   2   2   2   2   2   2   2   2   1

.SATURDAY...

Sky/weather.........Sunny.
Chance of pcpn......0 percent.
Max temperature.....Around 72.
Min humidity........34 percent.
Wind (20 ft)........Light winds becoming southwest 5 to 10 mph.
Mixing Height.......Max 5800 ft AGL.
Transport winds.....Southwest around 8 mph increasing to west 18 to
                    22 mph in the late morning and afternoon.
Max ADI.............99.
Inversion End.......0800

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   3   3   3   2   2   1   1   1   1   1   1
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............46  47  51  57  62  66  69  70  71  72  71  68
RH..............71  68  61  53  46  42  36  35  34  34  36  42
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..4   5   6   6   7   8   9   10  10  10  9   8
20 FT wind gust.        9   9   9   11  13  14  14  14  11  11
Mix hgt (kft)...0.4 0.4 1.1 1.8 2.4 3.3 4.1 5.0 5.3 5.5 5.8 4.0
Transp wind dir.SW  SW  SW  W   W   W   W   W   W   W   W   W
Transp wind spd.8   8   8   18  18  18  22  22  22  22  22  22
LVORI...........3   3   2   1   1   1   1   1   1   1   1   1
ADI.............6   7   16  36  60  70  83  90  97  99  96  73

$$
Forecaster...Dixon
Requested by...Lilia Navarrete
Type of request...PRESCRIBED
.TAG 2504286.0/CHS
.DELDT 02/27/25
.FormatterVersion 2.0.0
.EMAIL michael.c.leslie@usda.gov,scscc@firenet.gov