237
FNUS72 KCHS 201156
FWSCHS
SPOT FORECAST FOR ABLE CONSTRUCTION FIRE...USCG/ EPA
NATIONAL WEATHER SERVICE CHARLESTON SC
756 AM EDT TUE AUG 20 2019
FORECAST IS BASED ON FORECAST START TIME OF 0700 EDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
ATLANTIC HIGH PRESSURE AND AN INLAND TROUGH WILL PREVAIL UNTIL
LATE WEEK WHEN A COLD FRONT POSSIBLY AFFECTS THE AREA.
FOG POTENTIAL FOR TONIGHT: LOW
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE MORNING.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........56 PERCENT.
MAX APPARENT TEMP...101.
SURFACE WINDS.......LIGHT WINDS BECOMING SOUTH AROUND 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......MAX 6000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST 6 TO 8 MPH IN
THE LATE MORNING AND AFTERNOON.
PCPN AMOUNT.........0.02 INCHES.
INVERSION END.......0900
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........51 46 50 53 55 58 59 60 61 60 59
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC
CHC OF PCPN (%).10 20 20 20 30 30 30 30 30 30 30
TEMP............75 77 80 83 86 88 90 91 91 91 89
RH..............97 94 85 77 70 63 60 56 56 58 61
APARNT TMP (F)..75 77 85 90 95 97 99 100 100 101 98
SURFACE WND DIR.SW SW SW SW SW SW SW SW SW S S
SURFACE WND SPD.3 3 3 3 4 4 6 6 6 6 6
SURFACE WND GST.4 4 4 4
MIX HGT (KFT)...0.4 0.5 1.3 2.1 3.0 4.0 5.0 6.0 5.7 5.3 5.0
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.4 4 6 6 6 6 6 6 8 8 8
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........100 PERCENT.
MAX APPARENT TEMP...95.
SURFACE WINDS.......SOUTH WINDS AROUND 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
PCPN AMOUNT.........0.03 INCHES.
INVERSION BEGIN.....2000
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........57 55 52 50 47 45 43 42 41 42 44 46
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
CHC OF PCPN (%).30 30 30 30 30 30 30 30 30 30 30 30
TEMP............87 84 82 80 79 78 77 77 76 76 75 75
RH..............65 74 79 85 88 91 94 94 97 94 97 97
APARNT TMP (F)..95 92 89 85 79 78 77 77 76 76 75 75
SURFACE WND DIR.S S S S S S S S SW SW SW SW
SURFACE WND SPD.6 6 6 4 4 4 4 4 4 4 3 3
SURFACE WND GST. 4 4
MIX HGT (KFT)...3.6 2.2 0.8 0.7 0.6 0.5 0.4 0.4 0.3 0.3 0.3 0.2
TRANSP WIND DIR.S S S S S S SW SW SW SW SW SW
TRANSP WIND SPD.8 8 8 6 6 6 4 4 4 4 4 4
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF SHOWERS AND
THUNDERSTORMS.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........54 PERCENT.
MAX APPARENT TEMP...101.
SURFACE WINDS.......LIGHT WINDS BECOMING SOUTH 6 TO 7 MPH EARLY IN
THE AFTERNOON.
MIXING HEIGHT.......MAX 6100 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST 8 TO 10 MPH IN
THE LATE MORNING AND AFTERNOON.
PCPN AMOUNT.........0.06 INCHES.
INVERSION END.......0900
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........48 49 48 44 40 39 44 51 57 58 57 56
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
CHC OF PCPN (%).30 30 30 30 30 30 30 30 30 30 30 30
TEMP............74 74 76 79 82 86 88 90 91 92 91 90
RH..............100 100 97 88 79 70 63 60 58 54 56 60
APARNT TMP (F)..74 74 76 79 89 95 97 99 101 101 100 99
SURFACE WND DIR.SW SW SW SW SW SW SW SW SW S S S
SURFACE WND SPD.3 3 3 4 4 4 4 4 6 6 6 7
SURFACE WND GST.4 4 4 6 8
MIX HGT (KFT)...0.3 0.3 0.3 1.7 3.1 4.5 5.0 5.5 6.1 6.1 6.0 6.0
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW S S S
TRANSP WIND SPD.4 4 4 8 8 8 8 8 8 10 10 10
HOURLY WIND FORECAST FOR THURSDAY NIGHT THROUGH FRIDAY NIGHT IS DISPLAYED
ON HTTPS://GO.USA.GOV/XVYJK
FORECASTER...DIXON
REQUESTED BY...SUBASH PATEL
TYPE OF REQUEST...HAZMAT
.TAG 1913958.3/CHS
.DELDT 08/20/19
.EMAIL PATEL.SUBASH@EPA.GOV
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