800
FNUS72 KCHS 220831
FWSCHS
SPOT FORECAST FOR C-93 BC...US FOREST SERVICE
NATIONAL WEATHER SERVICE CHARLESTON SC
431 AM EDT THU OCT 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON OCTOBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY, HIGH PRESSURE WILL MAINTAIN ITS INFLUENCE ON THE REGION TODAY.
TEMPERATURES WARMING INTO THE MID 70S COMBINED WITH LOWERING
DEWPOINTS WILL RESULT IN RH VALUES DROPPING TO AROUND 30% THIS
AFTERNOON. LIGHT NORTHERLY WINDS WILL PERSIST TODAY WITH CALM
AGAIN PREVAILING TONIGHT RESULTING IN VERY POOR DISPERSION.
CONDITIONS ARE TOO DRY FOR FOG DEVELOPMENT.
REST OF TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 4400 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTH AROUND 10 MPH IN THE
AFTERNOON.
MAX ADI.............54.
INVERSION END.......1000.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 0 0 0 0 0 0 0 0
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............45 54 64 68 71 74 75 75 74
RH..............96 77 54 45 38 33 32 31 32
20 FT WIND DIR..NE N N N N N N N N
20 FT WIND SPD..1 1 2 3 3 3 2 2 1
20 FT WIND GUST.2 2 4 4 4 2
MIX HGT (KFT)...0.4 0.7 1.5 2.8 3.6 4.2 4.4 4.3 3.9
TRANSP WIND DIR.NE NE NE N N N N N N
TRANSP WIND SPD.4 4 4 10 10 10 10 10 10
LVORI...........9 4 2 1 1 1 1 1 1
ADI.............1 2 16 32 40 51 54 47 43
TONIGHT
SKY/WEATHER.........CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........73 PERCENT.
WIND (20 FT)........CALM WINDS.
MAX LVORI...........4.
MIN ADI.............1.
INVERSION BEGIN.....1930.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........0 0 0 0 1 0
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............70 61 56 52 50 48
RH..............39 56 62 69 71 71
20 FT WIND......N 0 N 0 N 0 N 0 N 0 N 0
20 FT WIND GUST.
MIX HGT (FT)....1400 400 400 400 400 400
TRANSPORT WIND..N 2 N 2 N 0 N 0 N 0 N 0
LVORI...........2 3 3 4 4 4
ADI.............1 1 1 1 1 1
FRIDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 8 MPH.
MIXING HEIGHT.......MAX 5000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTHEAST 10 TO 14 MPH IN
THE LATE MORNING AND AFTERNOON.
MAX ADI.............86.
INVERSION END.......0900.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........0 0 1 0
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............45 48 64 70
RH..............73 68 41 33
20 FT WIND......N 0 N 4G13 NE 6G16 NE 5G14
MIX HGT (FT)....400 1000 3200 4900
TRANSPORT WIND..N 2 NE 10 NE 14 NE 14
LVORI...........4 3 1 1
ADI.............1 6 58 85
FORECASTER...TAYLOR
REQUESTED BY...CAMERON PURKIS
TYPE OF REQUEST...PRESCRIBED
.TAG 2624269.0/CHS
.DELDT 10/22/26
.FORMATTERVERSION 2.0.0
.EMAIL CAMERON.PURKIS@USDA.GOV,KELLY.WETZELWILSON@USDA.GOV
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