117
FNUS72 KCHS 200938
FWSCHS
SPOT FORECAST FOR C205A SC-FMNF...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE CHARLESTON SC
438 AM EST TUE JAN 20 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON JANUARY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE WILL PREVAIL THROUGH THE MIDDLE OF THE WEEK. RH VALUES
WILL DROP INTO THE UPPER 30S THIS AFTERNOON. TRANSPORT WINDS SHOULD
SHIFT TO NORTHWEST AROUND NOON TODAY. VENT RATES REACH 17000 BY THE
11 AM TO NOON TIME RANGE. RH VALUES RECOVER TUESDAY NIGHT AND TREND
UPWARD ON WEDNESDAY WITH A LIGHT EASTERLY WIND OCCURRING DURING THE
DAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 3100 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 8 MPH.
MAX ADI.............30.
INVERSION END.......1000.
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........34 37 30 38 30 33 29 26 21
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............36 40 44 46 49 50 50 50 47
RH..............67 55 47 43 39 37 37 37 45
20 FT WIND DIR..N N N NW NW NW NW NW N
20 FT WIND SPD..2 2 2 2 2 2 2 2 1
20 FT WIND GUST.7 9 7 7 7 7 7 7 5
MIX HGT (KFT)...0.7 1.3 1.8 2.4 2.9 3.1 3.0 2.9 1.0
TRANSP WIND DIR.N N N NW NW NW NW NW NW
TRANSP WIND SPD.6 6 6 8 8 8 6 6 6
LVORI...........3 2 2 2 2 2 2 2 2
ADI.............2 15 22 24 29 30 30 29 6
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 31.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MAX LVORI...........6.
MIN ADI.............1.
INVERSION BEGIN.....1700.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........24 11 10 18 15 14
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............44 37 34 32 32 32
RH..............53 70 75 75 75 75
20 FT WIND......N 1 NE 1 NE 1 NE 2 NE 2 NE 2
20 FT WIND GUST.5 5 5 5 7 9
MIX HGT (FT)....400 400 400 400 400 400
TRANSPORT WIND..N 2 N 2 NE 2 NE 2 NE 2 NE 2
LVORI...........2 4 4 4 4 4
ADI.............1 1 1 1 1 1
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........60 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 2900 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTHEAST AROUND 6 MPH
LATE IN THE MORNING, THEN SHIFTING TO THE
SOUTHEAST 6 TO 8 MPH IN THE AFTERNOON.
MAX ADI.............25.
INVERSION END.......1030.
TIME (EST) 6 AM 10 AM 2 PM
SKY (%).........17 36 64
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0
TEMP............31 47 59
RH..............85 65 60
20 FT WIND......NE 2G9 NE 2G9 E 2G9
MIX HGT (FT)....400 900 2600
TRANSPORT WIND..NE 4 NE 6 SE 8
LVORI...........5 3 2
ADI.............4 6 23
FORECASTER...BERRY
REQUESTED BY...BEN KUHN
TYPE OF REQUEST...PRESCRIBED
.TAG 2600528.0/CHS
.DELDT 01/20/26
.FORMATTERVERSION 2.0.0
.EMAIL BENJAMIN.KUHN@USDA.GOV
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