604
FNUS72 KCHS 210911
FWSCHS
SPOT FORECAST FOR C141 FMNF...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
411 AM EST FRI FEB 21 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON FEBRUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A COLD AND DRY AIR MASS WILL BUILD ACROSS THE BURN SITE TODAY AND
TONIGHT. SURFACE WINDS ARE FORECAST TO REMAIN GENERALLY STEADY FROM
THE NORTH-NORTHEAST BETWEEN 5 TO 10 MPH THROUGH MID-DAY, THEN WEAKENING
THIS AFTERNOON. AS TEMPERATURES WARM INTO THE MID 40S THIS
AFTERNOON, RELATIVE HUMIDITY SHOULD RANGE AROUND 30 PERCENT.
TONIGHT, A SURFACE RIDGE WILL BUILD ACROSS THE REGION. WINDS SHOULD
DECOUPLE THIS EVENING, REMAINING LIGHT TO CALM TONIGHT.
FOG POTENTIAL FOR TONIGHT: NONE
REST OF TODAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 46.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH LATE IN THE MORNING
BECOMING LIGHT.
MIXING HEIGHT.......MAX 3800 FT AGL.
TRANSPORT WINDS.....NORTH 10 TO 16 MPH.
MAX ADI.............58.
INVERSION END.......0700
TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 1 1 0 2 1 4 1 15
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............28 33 37 40 42 44 46 45 44
RH..............55 45 38 34 34 33 31 33 36
20 FT WIND DIR..N N N N N N N N N
20 FT WIND SPD..10 7 6 5 4 4 4 4 3
20 FT WIND GUST.12 9 9 4
MIX HGT (KFT)...2.5 2.9 3.1 3.2 3.5 3.8 3.8 3.7 3.6
TRANSP WIND DIR.N N N N N N N N N
TRANSP WIND SPD.16 16 16 10 10 10 10 10 10
LVORI...........1 1 1 1 1 1 1 1 2
ADI.............51 58 53 46 39 42 42 41 30
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 26.
MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MAX LVORI...........6.
MIN ADI.............1.
INVERSION BEGIN.....1800
TIME (EST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........19 32 14 34
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............40 32 29 27
RH..............46 72 78 81
20 FT WIND......N 2 N 0 N 0 N 1G2
MIX HGT (FT)....400 400 400 400
TRANSPORT WIND..N 2 N 0 N 0 N 2
LVORI...........2 4 4 6
ADI.............1 1 1 1
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 4100 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST AROUND 6 MPH LATE IN
THE MORNING, THEN SHIFTING TO THE SOUTH IN THE
AFTERNOON.
MAX ADI.............33.
INVERSION END.......0900
TIME (EST) 6 AM 10 AM 2 PM
SKY (%).........13 9 27
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0
TEMP............26 45 53
RH..............81 47 43
20 FT WIND......N 1G2 NE 3G4 SE 4
MIX HGT (FT)....400 2100 4000
TRANSPORT WIND..NE 2 E 6 SE 6
LVORI...........6 2 1
ADI.............1 19 33
FORECASTER...DIXON
REQUESTED BY...KELLY WETZEL-WILSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2503363.0/CHS
.DELDT 02/21/25
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV
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