344
FNUS72 KCHS 221839
FWSCHS
SPOT FORECAST FOR C63 PLANNING FMNF...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
239 PM EDT THU OCT 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON OCTOBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY HIGH PRESSURE WILL MAINTAIN ITS INFLUENCE ON THE REGION THROUGH
FRIDAY. RELATIVE HUMIDITY VALUES SHOULD FALL INTO THE 30-35% RANGE FRIDAY
AFTERNOON. NORTHEAST WINDS WILL PERSIST THROUGH MUCH OF THE DAY,
VEERING SLIGHTLY TO THE EAST-NORTHEAST LATE AFTERNOON OR EARLY EVENING.
CONDITIONS WILL NOT BE SUPPORTIVE OF FOG FRIDAY NIGHT INTO SATURDAY MORNING
AND DISPERSION WILL BE VERY POOR.
FRIDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 8 MPH
WITH GUSTS TO AROUND 16 MPH LATE IN THE
MORNING, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......MAX 4500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 16 MPH.
MAX ADI.............85.
INVERSION END.......1000.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 0 2 2 1 2 1 2 1
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............48 56 61 64 67 69 70 70 70
RH..............77 57 49 45 40 36 35 35 36
20 FT WIND DIR..N NE NE NE NE NE NE NE NE
20 FT WIND SPD..3 4 7 8 8 7 4 4 3
20 FT WIND GUST.13 13 16 16 14 14 13 13 13
MIX HGT (KFT)...0.6 1.3 2.0 2.7 3.4 3.9 4.4 4.5 4.3
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE
TRANSP WIND SPD.10 10 10 14 14 14 16 16 16
LVORI...........4 2 1 1 1 1 1 1 1
ADI.............5 21 38 51 62 70 77 85 76
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
WITH GUSTS TO AROUND 18 MPH.
MAX LVORI...........9.
MIN ADI.............1.
INVERSION BEGIN.....1900.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........0 5 6 1 5 22
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............66 59 53 52 52 52
RH..............47 67 86 89 93 96
20 FT WIND......NE 2 N 0 NE 2 NE 3 NE 6 NE 8
20 FT WIND GUST.11 7 11 13 14 16
MIX HGT (FT)....1300 400 400 500 400 400
TRANSPORT WIND..NE 4 NE 4 NE 2 NE 4 NE 4 NE 6
LVORI...........2 4 6 7 7 8
ADI.............1 1 1 2 2 3
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 10 MPH WITH GUSTS TO AROUND
20 MPH.
MIXING HEIGHT.......MAX 4500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 8 MPH INCREASING TO NORTHEAST 18
TO 22 MPH IN THE LATE MORNING AND AFTERNOON.
MAX ADI.............116.
INVERSION END.......0900.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........18 37 21 24
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............52 54 67 72
RH..............100 100 73 61
20 FT WIND......N 6G18 N 8G18 NE 10G20 NE 9G20
MIX HGT (FT)....400 1500 2800 4000
TRANSPORT WIND..N 8 NE 18 NE 22 NE 22
LVORI...........8 4 3 1
ADI.............7 30 76 82
FORECASTER...MCGRAW
REQUESTED BY...WILL MCCANN
TYPE OF REQUEST...PRESCRIBED
.TAG 2624319.0/CHS
.DELDT 10/22/26
.FORMATTERVERSION 2.0.0
.EMAIL WILLIAM.MCCANN@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page