817
FNUS72 KCHS 261259
FWSCHS
SPOT FORECAST FOR NS-04...USAF
NATIONAL WEATHER SERVICE CHARLESTON SC
759 AM EST THU FEB 26 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 EST ON FEBRUARY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MAINLY DRY CONDITIONS EXPECTED AT THE BURN SITE LATE MORNING THROUGH
EARLY AFTERNOON FOLLOWING THE BRIEF LIGHT RAINFALL THAT OCCURRED EARLIER
THIS MORNING. A FEW ISOLATED SHOWERS RETURN TO THE FORECAST MID TO LATE
AFTERNOON BEFORE MORE SUBSTANTIAL RAINFALL IS EXPECTED TO ARRIVE
AROUND/AFTER SUNSET.
RH VALUES REMAIN ABOVE 50% THROUGH FRIDAY. BREEZY SOUTHWESTERLY WINDS
PERSIST TODAY AND TONIGHT AHEAD OF AN APPROACHING COLD FRONT THAT WILL
CROSS THE BURN SITE LATER FRIDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS EARLY
IN THE AFTERNOON. CHANCE OF SHOWERS LATE IN THE
AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 12 MPH WITH GUSTS TO
AROUND 23 MPH.
MIXING HEIGHT.......MAX 3700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 24 MPH.
MAX ADI.............65.
INVERSION END.......0600
TIME (EST) 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........77 78 83 78 84 79
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).10 20 20 30 40 40
TEMP............65 66 67 67 66 67
RH..............63 61 59 59 63 61
20 FT WIND DIR..SW SW SW SW SW SW
20 FT WIND SPD..12 12 12 11 9 8
20 FT WIND GUST.23 23 23 23 20 18
MIX HGT (KFT)...3.3 3.7 3.3 3.0 2.6 1.9
TRANSP WIND DIR.SW SW SW SW SW SW
TRANSP WIND SPD.24 24 24 20 20 20
LVORI...........1 1 1 1 1 2
ADI.............58 65 59 53 44 30
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......70 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH WITH GUSTS TO AROUND
16 MPH BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS IN THE LATE EVENING
AND OVERNIGHT.
MAX LVORI...........10.
MIN ADI.............1.
INVERSION BEGIN.....1800
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........70 72 84 83 91 86
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........ S CHC S CHC S CHC S CHC
CHC OF PCPN (%).50 50 60 50 60 70
TEMP............64 60 59 59 59 58
RH..............67 80 83 87 90 98
20 FT WIND......SW 6 SW 5 S 4 SW 4 SW 3 S 2
20 FT WIND GUST.16 11 9 9 9 7
MIX HGT (FT)....800 700 600 500 600 600
TRANSPORT WIND..SW 6 SW 6 SW 4 SW 4 SW 4 SW 4
LVORI...........3 5 5 6 7 10
ADI.............5 4 3 3 2 2
FRIDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........81 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE AFTERNOON.
MIXING HEIGHT.......MAX 1300 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST 6 TO 8 MPH IN THE
AFTERNOON.
MAX ADI.............14.
INVERSION END.......1200
TIME (EST) 6 AM 10 AM 2 PM
SKY (%).........92 95 93
WEATHER TYPE....RNSHWR RNSHWR RNSHWR
TSTM COV........S CHC S CHC
CHC OF PCPN (%).70 80 70
TEMP............57 62 65
RH..............100 90 83
20 FT WIND......E 2G5 W 3G7 E 4G9
MIX HGT (FT)....500 700 1200
TRANSPORT WIND..S 2 W 4 SE 6
LVORI...........10 6 4
ADI.............2 3 12
FORECASTER...BARNES
REQUESTED BY...BROCK WILLIAMS
TYPE OF REQUEST...PRESCRIBED
.TAG 2604089.0/CHS
.DELDT 02/26/26
.FORMATTERVERSION 2.0.0
.EMAIL BROCK_WILLIAMS@FWS.GOV
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