472
FNUS72 KCAE 140000
FWSCAE
SPOT FORECAST FOR WATEREE RIVER HP/WMA...SCDNR
NATIONAL WEATHER SERVICE COLUMBIA SC
800 PM EDT WED MAY 13 2026
FORECAST IS BASED ON IGNITION TIME OF 2000 EDT ON MAY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A COLD FRONT IS MOVING THROUGH THE AREA TONIGHT WHICH WILL USHER
IN A MUCH DRIER AIR MASS FOR THURSDAY. WITH WINDS OUT OF THE
NORTHWEST, DOWNSLOPE FLOW WILL LIKELY PROMOTE SIGNIFICANT DRY AIR
MIXING DOWN TO THE SURFACE. MODERATELY HIGH CONFIDENCE THAT
RELATIVE HUMIDITY WILL DROP BELOW 25 PERCENT AND EVEN POSSIBLE
THAT FOR A BRIEF PERIOD RH DROPS TO AROUND 20 PERCENT. WINDS OUT
OF THE NORTHWEST WITH GUSTS INTO THE MID TO UPPER TEENS POSSIBLE.
WITH THIS DRY AIR MASS, FOG IS NOT EXPECTED TO DEVELOP THURSDAY
NIGHT INTO FRIDAY MORNING.
THURSDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......6900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 12 TO 20 MPH.
LVORI...............3.
ADI.................5 EARLY IN THE MORNING INCREASING TO 145 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........1 6 3 2 1 2 2 2 4 2 1 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............61 60 62 64 69 72 74 75 77 77 77 78
RH..............78 81 75 63 51 44 38 32 28 25 25 24
APARNT TMP (F)..61 60 62 64 69 72 74 75 77 77 77 78
20 FT WIND DIR..NW N N N N NW NW NW NW NW NW NW
20 FT WIND DIR..330 340 350 350 340 330 320 320 320 320 320 320
20 FT WIND SPD..5 5 6 6 6 6 6 6 6 6 7 7
20 FT WIND GUST.9 11 12 11 11 11 12 12 13 13 14 13
MIX HGT (KFT)...0.4 0.5 1.5 2.5 3.3 4.4 5.7 6.2 6.5 6.8 6.9 6.7
TRANSP WIND DIR.N N N N N NW NW NW NW NW NW NW
TRANSP WIND DIR.350 350 000 000 350 330 320 320 320 320 320 320
TRANSP WIND SPD.12 12 17 17 15 15 16 17 18 18 20 20
LVORI...........4 4 3 3 1 1 1 1 1 1 1 1
ADI.............5 11 33 55 64 82 103 118 131 135 145 142
THURSDAY NIGHT
SKY/WEATHER.........CLEAR (0-5 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTH 12 TO 18 MPH SHIFTING TO THE NORTHEAST 8
TO 12 MPH LATE IN THE EVENING.
LVORI...............2.
ADI.................143 EARLY IN THE EVENING DECREASING TO 4 LATE
IN THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 2 1 1 2 2 2 2 2 2 1 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............77 76 73 66 63 61 60 58 57 54 53 52
RH..............25 27 33 42 46 48 49 53 57 61 64 66
APARNT TMP (F)..77 76 73 66 63 61 60 58 57 54 53 52
20 FT WIND DIR..NW NW NW NW N N N N N N N N
20 FT WIND DIR..320 330 330 330 350 000 000 020 020 020 020 020
20 FT WIND SPD..6 5 2 2 2 2 1 1 2 1 1 1
20 FT WIND GUST.12 9 7 6 6 5 6 6 7 6 5 5
MIX HGT (KFT)...6.4 3.3 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.NW NW N N N N N NE N NE NE NE
TRANSP WIND DIR.320 330 350 350 010 020 020 030 020 040 040 030
TRANSP WIND SPD.18 16 12 12 12 12 12 12 12 9 8 8
LVORI...........1 2 2 2 2 2 2 3 3 3 3 3
ADI.............143 7 5 5 5 5 5 5 5 4 4 4
FRIDAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......6100 FT AGL.
TRANSPORT WINDS.....NORTHEAST 7 TO 9 MPH SHIFTING TO THE WEST 7 TO
8 MPH LATE IN THE AFTERNOON.
LVORI...............2.
ADI.................3 EARLY IN THE MORNING INCREASING TO 60 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 2 1 0 0 0 1 1 2 2 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............52 51 54 58 64 70 74 76 77 79 80 80
RH..............66 71 66 62 52 41 35 32 31 29 28 28
APARNT TMP (F)..52 51 54 58 64 70 74 76 77 79 79 79
20 FT WIND DIR..N N N N N N N NW W W W W
20 FT WIND DIR..020 000 000 000 020 020 350 300 270 270 260 250
20 FT WIND SPD..1 0 0 0 1 2 2 1 1 2 3 3
20 FT WIND GUST.5 5 3 3 5 5 5 5 5 6 7 7
MIX HGT (KFT)...0.4 0.4 1.0 2.1 3.5 4.8 5.5 5.8 5.9 6.1 6.0 5.4
TRANSP WIND DIR.NE NE NE NE N N N NW W W W W
TRANSP WIND DIR.050 030 030 030 010 350 340 310 290 280 270 260
TRANSP WIND SPD.7 7 9 9 9 8 8 8 8 8 7 7
LVORI...........3 3 3 2 1 1 1 1 1 1 1 1
ADI.............3 7 12 26 41 48 55 58 58 60 51 46
FORECASTER...LANDOLFI
REQUESTED BY...SAMUEL MOORE
TYPE OF REQUEST...PRESCRIBED
.TAG 2613606.0/CAE
.DELDT 05/13/26
.FORMATTERVERSION 2.0.0
.EMAIL MOORES@DNR.SC.GOV
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