123
FNUS72 KCHS 181137
FWSCHS
SPOT FORECAST FOR C87W FMF...USFS
NATIONAL WEATHER SERVICE CHARLESTON SC
737 AM EDT WED JUL 18 2018
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON JULY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A COLD FRONT WILL APPROACH THE REGION FROM THE NORTHWEST TODAY,
THEN STALL OVER OR NEARBY OUR AREA THROUGH THURSDAY NIGHT. THE
FRONT WILL SLOWLY LIFT NORTH ON FRIDAY. ANOTHER COLD FRONT SHOULD
APPROACH FROM THE NORTHWEST EARLY NEXT WEEK.
FOG POTENTIAL FOR TONIGHT: LOW.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS THROUGH MID DAY. SHOWERS
AND THUNDERSTORMS LIKELY LATE IN THE AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........66 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......MAX 3800 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 12 MPH.
MAX ADI.............29.
INVERSION END.......0900
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 65 69 74 80 84 85 85
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH CHC CHC CHC LKY
CHC OF PCPN (%).20 20 20 20 30 50 50 60
TEMP............83 86 88 89 89 89 88 86
RH..............77 72 68 66 66 66 66 70
20 FT WIND DIR..W W W W W W W SW
20 FT WIND SPD..5 5 5 6 6 6 5 5
20 FT WIND GUST. 7 7 7 7
MIX HGT (KFT)...1.9 2.4 2.8 3.3 3.7 3.7 3.8 3.8
TRANSP WIND DIR.W W W W W W W W
TRANSP WIND SPD.10 10 12 12 12 10 10 10
LVORI...........5 5 4 4 3 4 4 5
ADI.............15 18 22 26 29 25 20 15
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY
EARLY IN THE EVENING, THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE LATE EVENING AND
OVERNIGHT.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MAX LVORI...........10.
MIN ADI.............1.
INVERSION BEGIN.....2000
TIME (EDT) 6 PM 10 PM 2 AM
SKY (%).........83 73 60
WEATHER TYPE....RNSHWR RNSHWR RNSHWR
TSTM COV........LIKELY CHANCE CHANCE
CHC OF PCPN (%).60 40 30
TEMP............84 76 74
RH..............74 94 100
20 FT WIND......SW 5 NW 1G2 NE 2
MIX HGT (FT)....2800 700 700
TRANSPORT WIND..NW 6 N 2 NE 2
LVORI...........5 7 10
ADI.............11 1 1
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS.
CHANCE OF PCPN......60 PERCENT.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........63 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......MAX 4100 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST 12 TO 14 MPH IN THE
LATE MORNING AND AFTERNOON.
MAX ADI.............34.
INVERSION END.......0900
TIME (EDT) 6 AM 10 AM 2 PM
SKY (%).........60 70 78
WEATHER TYPE....RNSHWR RNSHWR RNSHWR
TSTM COV........CHANCE CHANCE CHANCE
CHC OF PCPN (%).40 50 60
TEMP............72 82 87
RH..............100 77 63
20 FT WIND......NE 3G4 E 6G9 E 7G11
MIX HGT (FT)....500 2500 4100
TRANSPORT WIND..NE 4 E 12 E 14
LVORI...........9 6 1
ADI.............3 14 34
FORECASTER...DIXON
REQUESTED BY...KELLY WETZEL
TYPE OF REQUEST...PRESCRIBED
.TAG 1813021.0/CHS
.DELDT 07/18/18
.EMAIL KWETZELWILSON@FS.FED.US
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