804
FNUS72 KCHS 091749
FWSCHS
SPOT FORECAST FOR FMF C177 WYDEN PLANNING...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
149 PM EDT MON MAR 9 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE IN THE WESTERN ATLANTIC WILL EXTEND INTO OUR REGION
THROUGH MID-WEEK. MOISTURE AND SOME INSTABILITY COULD GENERATE SHOWERS
ON TUESDAY, WITH THE HIGHEST POPS (30%) IN THE 1-5 PM TIME FRAME.
THERE WILL ALSO BE A SLIGHT CHANCE (20%) OF THUNDERSTORMS IN THE
2-7 PM TIME FRAME. THERE SHOULD BE A SEA BREEZE MOVING THROUGH
AROUND 5 PM. NIGHTTIME DISPERSION IS EXPECTED TO BE VERY POOR
TUESDAY NIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY EARLY, THEN BECOMING PARTLY CLOUDY.
A SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING,
THEN A CHANCE OF SHOWERS IN THE AFTERNOON. A
SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........LIGHT SOUTHWEST WINDS. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......MAX 2900 FT AGL.
TRANSPORT WINDS.....LIGHT SOUTHWEST WINDS EARLY, BECOMING 8 TO 10 MPH
IN THE AFTERNOON.
MAX ADI.............37.
INVERSION END.......11 AM.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........55 38 40 51 55 53 53 52
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH
CHC OF PCPN (%).10 20 20 30 30 30 30 30
TEMP............67 72 75 77 79 80 80 80
RH..............93 81 76 69 64 62 62 62
20 FT WIND DIR..SW SW SW SW W SW SW SW
20 FT WIND SPD..1 2 2 3 3 3 3 3
20 FT WIND GUST.5 5 7 9 11 11 11 11
MIX HGT (KFT)...0.8 1.0 1.2 1.5 1.7 2.3 2.6 2.9
TRANSP WIND DIR.SW SW SW SW SW SW SW SW
TRANSP WIND SPD.2 2 8 8 8 10 10 10
LVORI...........8 4 4 3 2 2 1 1
ADI.............1 6 11 16 21 27 34 37
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT SOUTH TO SOUTHWEST WINDS. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE EVENING.
MAX LVORI...........9.
MIN ADI.............1.
INVERSION BEGIN.....7 PM.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........37 25 28 36 23 22
WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE
TSTM COV........S CHC
CHC OF PCPN (%).20 0 0 0 0 0
TEMP............78 73 66 65 64 63
RH..............64 76 93 90 93 97
20 FT WIND......SW 2 S 2 S 2 S 2 SW 2 SW 2
20 FT WIND GUST.9 7 7 7 9 7
MIX HGT (FT)....2200 700 700 700 800 600
TRANSPORT WIND..S 6 S 6 S 2 SW 2 SW 2 SW 2
LVORI...........3 4 8 7 8 9
ADI.............1 1 1 1 1 1
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH WITH
GUSTS TO AROUND 18 MPH IN THE AFTERNOON.
MIXING HEIGHT.......MAX 4600 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 16 MPH.
MAX ADI.............81.
INVERSION END.......11 AM.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........32 46 33 43
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............61 65 79 84
RH..............100 90 67 53
20 FT WIND......SW 1G7 SW 2G9 S 4G11 S 6G16
MIX HGT (FT)....400 700 2400 3900
TRANSPORT WIND..SW 2 SW 6 SW 14 SW 16
LVORI...........10 7 3 1
ADI.............1 2 39 75
FORECASTER...STROZ
REQUESTED BY...KELLY WETZEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2605183.0/CHS
.DELDT 03/09/26
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV,MICHAEL.C.LESLIE@USDA.GOV
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