841
FNUS72 KCHS 131855
FWSCHS
SPOT FORECAST FOR FMF C138 #24 PLANNING...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE CHARLESTON SC
255 PM EDT FRI MAR 13 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THERE IS A LOW RISK FOR PATCHY FOG TO DEVELOP NEAR THE BURN SITE AROUND
DAYBREAK SATURDAY WHILE SURFACE WINDS REMAIN VERY LIGHT. OTHERWISE, DRY
HIGH PRESSURE WILL PREVAIL SATURDAY WITH A WEAK SEA BREEZE PASSING ACROSS
THE BURN SITE AROUND 2-3 PM SATURDAY AFTERNOON. ON SUNDAY, SHOWER AND
THUNDERSTORM CHANCES INCREASE LATE MORNING AND AFTERNOON. A STRONG COLD
IS ANTICIPATED TO SHIFT ACROSS THE BURN SITE MONDAY WITH GUSTY WINDS, SHOWERS
AND THE POTENTIAL FOR STRONGER THUNDERSTORMS.
SATURDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 4300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH LATE IN THE MORNING
BECOMING LIGHT, THEN BECOMING SOUTHEAST AROUND
6 MPH LATE IN THE AFTERNOON.
MAX ADI.............34.
INVERSION END.......1100
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........21 2 0 1 3 2 2 2
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0
TEMP............58 66 69 72 74 74 74 74
RH..............80 61 52 45 42 43 42 43
20 FT WIND DIR..N N NE E E SE SE SE
20 FT WIND SPD..0 1 1 2 2 3 2 3
20 FT WIND GUST.4 4 5 5 7 9 9 9
MIX HGT (KFT)...1.1 1.7 2.8 3.7 4.3 4.1 3.5 3.0
TRANSP WIND DIR.NW NW NE NE NE SE SE SE
TRANSP WIND SPD.6 6 4 4 4 6 6 6
LVORI...........4 2 2 2 2 2 2 1
ADI.............7 13 16 16 18 23 32 34
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MAX LVORI...........10.
MIN ADI.............1.
INVERSION BEGIN.....1900
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........4 8 6 7 13 35
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 10 10
TEMP............71 65 58 58 57 57
RH..............50 65 88 90 93 97
20 FT WIND......SE 2 SE 2 E 2 E 2 E 2 E 1
20 FT WIND GUST.9 7 7 7 7 9
MIX HGT (FT)....2200 600 700 600 600 600
TRANSPORT WIND..SE 4 SE 4 E 2 E 2 E 2 E 2
LVORI...........2 4 7 8 9 10
ADI.............1 1 1 1 1 1
SUNDAY
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF RAIN SHOWERS EARLY IN
THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS
LATE IN THE MORNING. RAIN SHOWERS LIKELY LATE
IN THE AFTERNOON.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........70 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH WITH
GUSTS TO AROUND 16 MPH IN THE LATE MORNING AND
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE MORNING.
MIXING HEIGHT.......MAX 3400 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHEAST 14 TO 20 MPH IN
THE LATE MORNING AND AFTERNOON.
MAX ADI.............81.
INVERSION END.......0900
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........50 61 61 79
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC
CHC OF PCPN (%).10 40 40 70
TEMP............57 63 72 75
RH..............98 92 78 70
20 FT WIND......E 2G9 E 4G13 E 7G16 SE 7G16
MIX HGT (FT)....600 1600 3400 3300
TRANSPORT WIND..E 2 E 14 SE 20 SE 18
LVORI...........10 5 3 3
ADI.............2 22 81 63
FORECASTER...BERRY
REQUESTED BY...KELLY WETZEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2605644.0/CHS
.DELDT 03/13/26
.FORMATTERVERSION 2.0.0
.EMAIL KELLY.WETZELWILSON@USDA.GOV
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