127
FNUS72 KCHS 240908
FWSCHS
SPOT FORECAST FOR HORSE ISLAND...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
508 AM EDT FRI JUL 24 2026
FORECAST IS BASED ON FORECAST START TIME OF 0900 EDT ON JULY 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A COLD FRONT WILL SLOWLY APPROACH THE BURN SITE THIS MORNING FROM
THE NORTH. THE SEA BREEZE WILL BEGIN PUSHING INLAND LATE THIS
MORNING, REACHING THE BURN SITE AROUND NOONTIME/1 PM. THE SLOW MOVING
FRONT AND SEA BREEZE ARE EXPECTED TO INTERACT THIS AFTERNOON,
CREATING AN ENVIRONMENT FAVORABLE FOR HEAVY RAINFALL. WINDS THIS
MORNING OUT OF THE SW WILL SHIFT TO THE SE INITIALLY WITH THE SEA
BREEZE AROUND 1 PM AT THE BURN SITE. WINDS THROUGH THE AFTERNOON
WILL THEN LIKELY BE GUSTY AND ERRATIC AS THUNDERSTORMS DEVELOP AT
AND IN THE VICINITY OF THE BURN SITE. THUNDERSTORM ACTIVITY WILL
WANE WITH NIGHTFALL, WITH A FEW LINGERING SHOWERS POSSIBLE AT THE
BURN SITE.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY. SHOWERS WITH THUNDERSTORMS LIKELY
IN THE AFTERNOON.
CHANCE OF PCPN......80 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........66 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE AFTERNOON.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......MAX 4600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
MAX ADI.............50.
INVERSION END.......0900.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 65 67 63 67 68 73 80 77
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH CHC LKY LKY LKY LKY
CHC OF PCPN (%).10 10 10 20 30 60 70 80 70
TEMP............83 86 88 89 90 90 89 91 88
RH..............88 77 72 70 68 68 70 66 72
20 FT WIND DIR..SW SW SW SW SW S S SE E
20 FT WIND SPD..1 2 2 2 2 3 2 3 2
20 FT WIND GUST.9 9 9 9 9 9 9 9 9
MIX HGT (KFT)...2.1 2.7 3.6 4.5 4.6 3.8 2.9 2.1 1.7
TRANSP WIND DIR.SW SW SW SW SW SW S S S
TRANSP WIND SPD.10 10 10 10 10 10 10 10 10
LVORI...........4 3 3 3 1 1 3 3 3
ADI.............24 31 40 48 50 42 33 25 20
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY
IN THE EVENING, THEN CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....AROUND 74.
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
IN THE EVENING AND OVERNIGHT, THEN GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
OVERNIGHT.
MAX LVORI...........10.
MIN ADI.............1.
INVERSION BEGIN.....2000.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........85 91 78 82 85 65
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........LIKELY CHANCE CHANCE CHANCE S CHC S CHC
CHC OF PCPN (%).60 50 40 40 20 20
TEMP............86 82 79 79 78 76
RH..............77 88 97 94 94 100
20 FT WIND......S 2 N 0 N 0 N 0 N 0 N 0
20 FT WIND GUST.9 9 5 5 5 5
MIX HGT (FT)....1600 800 500 400 500 500
TRANSPORT WIND..S 4 S 4 N 0 N 0 N 0 N 0
LVORI...........4 6 9 8 8 10
ADI.............1 1 1 1 1 1
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING AND EARLY
AFTERNOON, THEN SHOWERS AND THUNDERSTORMS
LIKELY LATE IN THE AFTERNOON.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........77 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE MORNING AND EARLY
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......MAX 3000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST 8 TO 12 MPH IN THE
LATE MORNING AND AFTERNOON.
MAX ADI.............43.
INVERSION END.......1000.
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........80 64 71 84
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE LIKELY
CHC OF PCPN (%).40 30 40 70
TEMP............76 78 83 85
RH..............100 100 91 80
20 FT WIND......N 0G5 SW 1G9 W 3G11 W 2G9
MIX HGT (FT)....400 1000 2200 3000
TRANSPORT WIND..SW 0 W 8 SW 12 W 8
LVORI...........10 9 4 3
ADI.............1 6 32 38
FORECASTER...MASKELL
REQUESTED BY...M LESLIE
TYPE OF REQUEST...WILDFIRE
.TAG 2618072.0/CHS
.DELDT 07/24/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.C.LESLIE@USDA.GOV,JMARTINDALE@BLM.GOV
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