203
FNUS72 KCHS 180932
FWSCHS
SPOT FORECAST FOR FMF C192 SAVANNAH...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
532 AM EDT THU SEP 18 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE WILL EXTEND ACROSS THE AREA TONIGHT. A SEA BREEZE
IS EXPECTED TO PUSH THROUGH THE BURN SITE 1330-1430. WIND GUSTS
15 TO 20 MPH COULD OCCUR BEHIND THE SEA BREEZE FOR SEVERAL
HOURS. NIGHT TIME DISPERSION WILL BE VERY POOR AS WINDS GO
LIGHT TO CALM. THERE IS A RISK FOR THE DEVELOPMENT OF SHALLOW
GROUND FOG PRIOR TO DAYBREAK FRIDAY, BUT SIGNIFICANT FOG FORMATION
IS NOT EXPECTED AT THIS TIME.
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........57 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 4100 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST 6 TO 8 MPH IN
THE AFTERNOON.
MAX ADI.............28.
INVERSION END.......0930.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 10 16 19 26 41 43 49 38
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 10 10 10 10
TEMP............72 77 80 82 83 83 82 83 81
RH..............93 79 65 58 57 59 63 59 63
20 FT WIND DIR..W W SW SW S S S S S
20 FT WIND SPD..1 1 1 3 6 9 10 10 10
20 FT WIND GUST.4 2 2 4 7 13 16 16 16
MIX HGT (KFT)...0.7 1.5 2.4 3.3 3.8 4.1 3.5 2.8 2.0
TRANSP WIND DIR.W W W SW SW SW S S S
TRANSP WIND SPD.4 4 4 6 6 6 8 8 8
LVORI...........8 4 3 2 2 2 2 2 2
ADI.............1 11 21 28 27 22 24 25 22
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 68.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MAX LVORI...........10.
MIN ADI.............1.
INVERSION BEGIN.....1900.
TIME (EDT) 6 PM 10 PM 2 AM
SKY (%).........38 33 37
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).10 0 0
TEMP............80 72 70
RH..............65 100 100
20 FT WIND......S 10G16 SE 1G5 N 0G4
MIX HGT (FT)....1300 500 400
TRANSPORT WIND..S 8 SE 2 N 0
LVORI...........4 10 10
ADI.............1 1 1
FRIDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........67 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 3600 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST 8 TO 10 MPH IN THE
AFTERNOON.
MAX ADI.............36.
INVERSION END.......0930.
TIME (EDT) 6 AM 10 AM 2 PM
SKY (%).........29 13 22
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 10
TEMP............69 77 82
RH..............100 82 69
20 FT WIND......N 0G4 NE 1G5 E 3G9
MIX HGT (FT)....400 1600 3500
TRANSPORT WIND..N 0 NE 4 E 8
LVORI...........10 4 3
ADI.............1 9 35
FORECASTER...TAYLOR
REQUESTED BY...KELLY WETZEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2522101.0/CHS
.DELDT 09/18/25
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV
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