602
FNUS72 KCHS 152049
FWSCHS
SPOT FORECAST FOR FMF C125 PLANNING...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
349 PM EST THU JAN 15 2026
FORECAST IS BASED ON IGNITION TIME OF 1600 EST ON JANUARY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
NORTHWEST WINDS WILL EASE THIS EVENING ALONG WITH RH VALUES
RECOVERING. THE CENTER OF A DRY AIR MASS WILL BUILD ACROSS THE
SOUTHEAST U.S. ON FRIDAY. THE TEMPERATURES SHOULD RISE ABOVE 40
DEGREES AT THE BURN SITE AROUND 11 AM. THE RH IS EXPECTED TO BE
AROUND 30% AT THAT TIME AND THE VENT RATE WILL BE AROUND 15,000.
THE HIGH TEMPERATURE SHOULD BE AROUND 48 DEGREES FRIDAY. WHILE THE
AFTERNOON RH SHOULD BE AROUND 25 PERCENT, IT COULD BE HIGHER THAN
FORECASTED BASED ON THE OBSERVED VALUES THURSDAY. THE HIGHEST
VENT RATE IS FORECASTED TO BE NEAR 35,000 AROUND 2 PM, THEN
GRADUALLY DROP THE REST OF THURSDAY AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 45.
MIN HUMIDITY........AROUND 30 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 7 MPH WITH GUSTS TO AROUND
15 MPH.
MIXING HEIGHT.......MAX 5600 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 22 MPH.
MAX ADI.............100.
INVERSION END.......ENDED.
TIME (EST) 4PM 5PM
SKY (%).........0 0
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0
TEMP............44 40
RH..............30 32
20 FT WIND DIR..NW NW
20 FT WIND SPD..7 6
20 FT WIND GUST.15 15
MIX HGT (KFT)...5.6 3.8
TRANSP WIND DIR.NW NW
TRANSP WIND SPD.22 22
LVORI...........1 1
ADI.............100 76
TONIGHT
SKY/WEATHER.........CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 18.
MAX HUMIDITY........AROUND 67 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH WITH GUSTS TO
AROUND 15 MPH EARLY IN THE EVENING BECOMING
LIGHT.
MAX LVORI...........3.
MIN ADI.............1.
INVERSION BEGIN.....6 PM.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........0 1 0 1 0 0
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............37 31 27 24 22 20
RH..............33 41 44 50 57 62
20 FT WIND......NW 5 NW 4 NW 3 NW 2 W 1 N 0
20 FT WIND GUST.15 14 11 9 7 5
MIX HGT (FT)....600 600 600 500 500 400
TRANSPORT WIND..NW 6 NW 6 NW 4 NW 2 NW 2 NW 0
LVORI...........2 2 2 2 3 3
ADI.............3 2 2 1 1 1
FRIDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 48.
MIN HUMIDITY........AROUND 25 PERCENT.
WIND (20 FT)........LIGHT WINDS, BECOME SOUTHWEST 3 TO 5 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......MAX 2800 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 12 MPH IN
THE AFTERNOON.
MAX ADI.............39.
INVERSION END.......12 PM.
TIME (EST) 6 AM 9 AM NOON 3 PM
SKY (%).........1 0 1 2
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............19 27 43 48
RH..............64 48 27 26
20 FT WIND......N 0G4 N 0G4 SW 3G9 SW 4G11
MIX HGT (FT)....400 1200 2500 2700
TRANSPORT WIND..N 0 SW 4 SW 12 SW 12
LVORI...........3 2 2 1
ADI.............1 5 29 38
FORECASTER...STROZ
REQUESTED BY...KELLY WETZEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2600259.0/CHS
.DELDT 01/15/26
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV
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