709
FNUS72 KCHS 120704
FWSCHS
SPOT FORECAST FOR FAIRLAWN B1 9/4...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE CHARLESTON SC
304 AM EDT TUE MAY 12 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS ARE EXPECTED AT THE BURN SITE TODAY AND TONIGHT AS
HIGH PRESSURE PASSES NORTH OF THE AREA. NORTHEAST WINDS WILL
INCREASE SLIGHTLY THROUGH THE DAY, PEAKING THIS AFTERNOON AROUND
10 MPH WITH OCCASIONAL GUSTS UP TO 20 MPH. LIMITED SEA BREEZE
DEVELOPMENT IS EXPECTED THIS AFTERNOON, WITH PREVAILING NORTHEAST
FLOW IN PLACE.
WEDNESDAY AFTERNOON IS EXPECTED TO REMAIN DRY ACROSS THE AREA. A
COLD FRONT WILL MOVE THROUGH THURSDAY MORNING, FOLLOWED BY
CRITICALLY LOW RH VALUES THURSDAY AFTERNOON. HOWEVER, WINDS ARE
NOT EXPECTED TO BE AS ELEVATED THURSDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 9 MPH WITH GUSTS TO AROUND
18 MPH.
MIXING HEIGHT.......MAX 3900 FT AGL.
TRANSPORT WINDS.....EAST 20 TO 22 MPH.
MAX ADI.............96.
INVERSION END.......0800
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........76 74 80 76 82 81 82 83 77
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............62 65 68 70 71 72 72 71 71
RH..............72 65 57 53 49 48 48 49 53
20 FT WIND DIR..NE NE NE NE E E E E E
20 FT WIND SPD..6 7 7 8 8 8 9 9 8
20 FT WIND GUST.16 16 18 18 18 18 18 18 16
MIX HGT (KFT)...2.0 2.5 2.8 3.2 3.5 3.7 3.9 3.8 3.6
TRANSP WIND DIR.NE NE NE E E E E E E
TRANSP WIND SPD.20 20 20 22 22 22 20 20 20
LVORI...........3 1 1 1 1 1 1 1 1
ADI.............48 65 76 85 93 93 96 75 69
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH WITH GUSTS TO AROUND 16
MPH EARLY IN THE EVENING BECOMING LIGHT.
MAX LVORI...........6.
MIN ADI.............1.
INVERSION BEGIN.....2000
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........72 83 81 65 69 51
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............70 67 64 62 63 62
RH..............55 65 75 84 84 87
20 FT WIND......E 7 E 4 E 3 E 3 E 3 E 2
20 FT WIND GUST.16 13 11 11 11 11
MIX HGT (FT)....3300 800 800 500 500 600
TRANSPORT WIND..E 12 E 12 E 4 E 4 E 4 E 4
LVORI...........3 3 4 5 5 6
ADI.............1 4 2 2 2 2
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......MAX 5100 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST 6 TO 10 MPH IN THE
LATE MORNING AND AFTERNOON.
MAX ADI.............44.
INVERSION END.......0900
TIME (EDT) 6 AM 9 AM NOON 3 PM
SKY (%).........24 23 44 32
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0
TEMP............62 70 80 81
RH..............90 81 58 58
20 FT WIND......E 2G9 E 3G11 E 4G11 E 4G11
MIX HGT (FT)....600 2500 4300 5100
TRANSPORT WIND..E 4 E 10 E 8 SE 6
LVORI...........6 3 1 1
ADI.............3 34 41 41
FORECASTER...SCHALLER
REQUESTED BY...CHELSEA MACKENZIE
TYPE OF REQUEST...PRESCRIBED
.TAG 2613408.0/CHS
.DELDT 05/12/26
.FORMATTERVERSION 2.0.0
.EMAIL C.F.MACKENZIE@TNC.ORG
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