490
FNUS72 KCHS 090913
FWSCHS
SPOT FORECAST FOR C139 #27-32...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE CHARLESTON SC
513 AM EDT FRI OCT 9 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON OCTOBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THE CENTER OF HURRICANE ISAIAS WILL PASS WELL WEST OF THE REGION
THIS WEEKEND, BUT ASSOCIATED TROPICAL MOISTURE WILL BRING
UNSETTLED CONDITIONS INTO SUNDAY. BREEZY WINDS ARE EXPECTED LATE
THIS AFTERNOON INTO SATURDAY, FOLLOWED BY THE HEAVIEST RAINFALL
SATURDAY MORNING AND AFTERNOON. A COLD FRONT WILL CROSS THE AREA
LATER SUNDAY, WITH DRY HIGH PRESSURE FILL IN THEREAFTER.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH WITH
GUSTS TO AROUND 16 MPH IN THE AFTERNOON.
MIXING HEIGHT.......MAX 2400 FT AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 14 MPH.
MAX ADI.............42.
INVERSION END.......1100
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........78 84 84 87 88 90 90 92 93
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............66 70 73 75 77 77 77 77 76
RH..............84 78 71 66 62 64 64 67 71
20 FT WIND DIR..NE NE NE NE NE NE NE NE E
20 FT WIND SPD..4 4 4 5 5 6 6 6 6
20 FT WIND GUST.13 13 13 13 14 14 16 16 16
MIX HGT (KFT)...0.5 0.8 1.2 1.7 2.2 2.4 2.3 1.9 1.6
TRANSP WIND DIR.NE NE NE NE NE NE E E E
TRANSP WIND SPD.6 6 6 14 14 14 14 14 14
LVORI...........5 4 3 3 1 1 1 3 3
ADI.............4 5 17 27 38 42 40 36 29
TONIGHT
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AND CHANCE OF
THUNDERSTORMS OVERNIGHT.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....AROUND 68.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 10 MPH WITH GUSTS TO
AROUND 23 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS OVERNIGHT. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING.
MAX LVORI...........8.
MIN ADI.............1.
INVERSION BEGIN.....1800
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........91 91 94 91 90 84
WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC
CHC OF PCPN (%).10 10 20 30 50 80
TEMP............76 73 72 72 71 69
RH..............69 81 87 90 93 100
20 FT WIND......E 6 NE 6 E 6 NE 8 E 8 NE 9
20 FT WIND GUST.18 18 18 22 22 23
MIX HGT (FT)....1100 600 500 500 500 500
TRANSPORT WIND..NE 10 NE 10 NE 6 NE 8 NE 8 E 10
LVORI...........4 4 5 5 6 8
ADI.............1 5 5 8 8 9
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS AND CHANCE OF
THUNDERSTORMS.
CHANCE OF PCPN......100 PERCENT.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........97 PERCENT.
WIND (20 FT)........EAST WINDS 8 TO 12 MPH WITH GUSTS TO AROUND 27
MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS.
MIXING HEIGHT.......MAX 1900 FT AGL.
TRANSPORT WINDS.....EAST 12 TO 18 MPH.
MAX ADI.............33.
INVERSION END.......1000
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........84 79 88 93
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE CHANCE
CHC OF PCPN (%).90 80 100 80
TEMP............70 72 74 75
RH..............100 100 100 100
20 FT WIND......E 10G23 E 11G25 E 12G25 E 10G23
MIX HGT (FT)....500 1600 1800 1400
TRANSPORT WIND..E 12 E 16 E 18 E 14
LVORI...........5 4 4 5
ADI.............13 28 31 25
FORECASTER...BERRY
REQUESTED BY...FRANCIS MARION NATIONAL FOREST
TYPE OF REQUEST...PRESCRIBED
.TAG 2623433.0/CHS
.DELDT 10/09/26
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV,CAMERON.PURKIS@USDA.GOV
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