683
FNUS72 KCHS 250914
FWSCHS
SPOT FORECAST FOR HORSE ISLAND WF...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
514 AM EDT SAT JUL 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 0900 EDT ON JULY 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A STALLED COLD FRONT IS LOCATED WITHIN THE VICINITY OF THE BURN
SITE THIS MORNING. DUE TO THE LOCATION OF THE STALLED FRONT, THE
SEA BREEZE TODAY IS FORECAST TO REMAIN PINNED NEAR OR AT THE
COASTLINE THROUGH MOST OF THE DAY. IF THE SEA BREEZE IS ABLE TO
PUSH INLAND, IT LIKELY WON'T REACH THE BURN SITE UNTIL LATE THIS
AFTERNOON/EARLY THIS EVENING. NUMEROUS SHOWERS AND THUNDERSTORMS
ARE FORECAST TO DEVELOP THIS AFTERNOON IN THE VICINITY OF THE BURN
SITE, AIDED BY THE NEARBY FRONT. SHOWERS COULD LINGER IN THE
VICINITY OF THE BURN SITE THROUGH THE EARLY OVERNIGHT HOURS.
OVERNIGHT DISPERSION IS FORECAST TO BE VERY POOR.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE MORNING, THEN SHOWERS
WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.
CHANCE OF PCPN......90 PERCENT.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........75 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE LATE MORNING AND
EARLY AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......MAX 3200 FT AGL.
TRANSPORT WINDS.....WEST AROUND 8 MPH.
MAX ADI.............36.
INVERSION END.......0900.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........69 64 60 58 69 77 72 78 83
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC LKY LKY LKY LKY
CHC OF PCPN (%).50 40 40 60 80 90 90 90 80
TEMP............81 83 85 86 87 88 88 87 87
RH..............94 88 85 80 80 75 75 77 75
20 FT WIND DIR..W SW SW SW SW W NW W SW
20 FT WIND SPD..1 2 3 3 3 3 2 2 2
20 FT WIND GUST.9 9 11 11 11 11 9 9 9
MIX HGT (KFT)...1.5 2.3 2.8 3.2 3.2 2.3 2.6 2.5 2.5
TRANSP WIND DIR.W W W W W W W W W
TRANSP WIND SPD.8 8 8 8 8 8 8 8 8
LVORI...........5 4 4 3 3 3 3 3 3
ADI.............11 23 32 36 32 24 26 25 22
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS WITH THUNDERSTORMS
LIKELY IN THE EVENING, THEN CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT.
CHANCE OF PCPN......80 PERCENT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY IN THE EVENING.
MAX LVORI...........10.
MIN ADI.............1.
INVERSION BEGIN.....2000.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........66 59 55 73 66 62
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........LIKELY CHANCE LIKELY CHANCE S CHC S CHC
CHC OF PCPN (%).80 50 60 40 20 20
TEMP............85 83 78 77 76 74
RH..............80 85 97 100 100 100
20 FT WIND......S 1 N 0 N 0 N 0 N 0 N 0
20 FT WIND GUST.7 5 4 4 5 5
MIX HGT (FT)....2200 700 400 500 500 500
TRANSPORT WIND..SW 4 SW 4 N 0 N 0 N 0 N 0
LVORI...........6 6 9 10 10 10
ADI.............1 1 1 1 1 1
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING. SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........66 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE MORNING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE AFTERNOON.
MIXING HEIGHT.......MAX 4600 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTH AROUND 6 MPH LATE IN
THE MORNING, THEN BECOMING LIGHT EARLY IN THE
AFTERNOON BECOMING SOUTHWEST AROUND 6 MPH LATE
IN THE AFTERNOON.
MAX ADI.............35.
INVERSION END.......0900.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........54 50 48 38
WEATHER TYPE....NONE RNSHWR NONE RNSHWR
TSTM COV........ S CHC CHANCE
CHC OF PCPN (%).10 30 0 30
TEMP............74 77 85 88
RH..............100 100 77 66
20 FT WIND......N 0G5 N 1G7 N 1G7 SE 1G5
MIX HGT (FT)....500 1200 3100 4600
TRANSPORT WIND..N 0 N 6 N 4 SW 6
LVORI...........10 7 3 3
ADI.............1 11 23 33
FORECASTER...MASKELL
REQUESTED BY...J. MARTINDALE
TYPE OF REQUEST...WILDFIRE
.TAG 2618152.0/CHS
.DELDT 07/25/26
.FORMATTERVERSION 2.0.0
.EMAIL JMARTINDALE@BLM.GOV,MICHAEL.C.LESLIE@USDA.GOV
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