530
FNUS72 KCHS 121750
FWSCHS
SPOT FORECAST FOR FMF C40W PLANNING...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
1250 PM EST THU FEB 12 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON FEBRUARY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY HIGH PRESSURE WILL PREVAIL ACROSS THE REGION ON FRIDAY, YIELDING
RH VALUES 25 TO 30 PERCENT. WHILE RH VALUES WILL BE AT OR NEAR CRITICAL
VALUES, WINDS ARE FORECAST TO REMAIN LIGHT AROUND 5 MPH WITH GUSTS
PEAKING AROUND 10 MPH. NIGHTTIME DISPERSION IS FORECAST TO BE VERY POOR.
THE FOG POTENTIAL FRIDAY NIGHT INTO SATURDAY MORNING IS VERY LOW.
FRIDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 3900 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 10 MPH.
MAX ADI.............35.
INVERSION END.......0900.
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 5 6 3 4 2 2 2 3
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............41 46 50 54 55 56 57 57 55
RH..............48 42 36 31 30 27 27 27 30
20 FT WIND DIR..NE NE NE NE N N N N N
20 FT WIND SPD..2 3 3 3 2 2 2 2 1
20 FT WIND GUST.11 11 11 9 9 9 7 7 5
MIX HGT (KFT)...1.2 1.5 2.0 2.6 3.2 3.6 3.9 3.8 3.0
TRANSP WIND DIR.NE NE NE N N N N N N
TRANSP WIND SPD.10 10 10 8 8 8 6 6 6
LVORI...........2 2 2 2 1 1 1 1 2
ADI.............17 22 27 30 32 35 32 32 22
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MAX LVORI...........8.
MIN ADI.............1.
INVERSION BEGIN.....1900.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........5 6 3 5 6 7
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............51 42 39 36 34 33
RH..............37 57 64 75 85 89
20 FT WIND......N 0 N 0 N 0 N 0 N 0 N 0
20 FT WIND GUST.4 4 4 4 2 4
MIX HGT (FT)....1700 300 300 300 300 300
TRANSPORT WIND..NE 2 NE 2 N 0 N 0 N 0 N 0
LVORI...........2 3 3 4 6 7
ADI.............2 1 1 1 1 1
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 4300 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH 6 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON.
MAX ADI.............39.
INVERSION END.......1000.
TIME (EST) 6 AM 9 AM NOON 3 PM
SKY (%).........8 11 18 40
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............32 46 60 64
RH..............92 63 37 34
20 FT WIND......N 0G4 N 0G4 SE 2G7 S 2G9
MIX HGT (FT)....200 1200 3400 4000
TRANSPORT WIND..N 0 SE 6 S 6 S 8
LVORI...........8 3 2 1
ADI.............1 9 24 39
FORECASTER...MASKELL
REQUESTED BY...KELLY WETZEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2602570.0/CHS
.DELDT 02/12/26
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV
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