350
FNUS72 KCAE 221139
FWSCAE
SPOT FORECAST FOR GRIFFINS CREEK FIRE...NPS
NATIONAL WEATHER SERVICE COLUMBIA SC
739 AM EDT SUN MAR 22 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MARCH 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MAINLY CLEAR SKIES WITH VERY WARM CONDITIONS AND LIGHT GENERALLY
WESTERLY WINDS TODAY. RH VALUES DROP TO THE AROUND 30-35%, BUT
COULD BE SLIGHTLY HIGHER NEAR THE SWAMP AREAS. A FRONT IS FORECAST
TO MOVE THROUGH THE AREA TOMORROW, AND AS OF NOW, THE TIMING
LOOKS TO BE LATE AFTERNOON NEAR THE BURN SITE. AHEAD OF THE FRONT
WESTERLY WINDS AROUND 10 MPH, GUSTING TO AROUND 20 MPH CAN BE
EXPECTED. WINDS SWITCH TO MORE NORTHWESTERLY WITH SIMILAR SPEEDS,
OR SLIGHTLY HIGHER. THERE IS ALSO A SLIGHT CHANCE FOR SHOWERS OR
STORMS WITH THE FRONT ITSELF AT THE BURN SITE, WHICH IS IN PART
DUE TO THE TIMING OF WHEN THE FRONT MOVES THROUGH. IF IT MOVES
THROUGH EARLIER IN THE AFTERNOON, THERE IS A LOWER CHANCE FOR ANY
ACTIVITY AND VICE VERSA.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 89.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 9 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......5700 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 18 MPH INCREASING TO 20 TO 21 MPH
LATE IN THE AFTERNOON.
LVORI...............3.
ADI.................10 EARLY IN THE MORNING INCREASING TO 109 IN
THE AFTERNOON.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 2 2 3 2 2 3 2 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
TEMP............65 68 72 76 81 84 87 88 88 89
RH..............78 76 66 60 51 44 40 39 36 34
APARNT TMP (F)..65 68 72 76 82 84 87 88 87 88
20 FT WIND DIR..W W W W W W W W W SW
20 FT WIND DIR..250 260 270 270 260 250 250 250 250 240
20 FT WIND SPD..3 3 5 6 7 7 8 9 10 9
20 FT WIND GUST.10 12 13 14 15 16 18 18 20 20
MIX HGT (KFT)...0.5 0.8 1.4 2.0 3.1 4.2 5.2 5.4 5.7 5.6
TRANSP WIND DIR.W W W W W W W W W W
TRANSP WIND DIR.260 270 270 270 260 260 260 260 260 250
TRANSP WIND SPD.9 12 14 13 14 15 18 20 21 21
LVORI...........4 4 3 1 1 1 1 1 1 1
ADI.............10 12 25 32 53 75 109 84 90 90
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 66.
MAX HUMIDITY........68 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 7 MPH.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 21 MPH.
LVORI...............2.
ADI.................104 EARLY IN THE EVENING DECREASING TO 7 LATE
IN THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........7 8 6 3 6 6 7 9 6 17 16 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............87 85 81 77 75 74 72 71 71 70 68 68
RH..............36 39 44 50 52 55 57 59 59 59 63 63
APARNT TMP (F)..86 84 81 77 75 74 72 71 71 70 68 68
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW W W W
20 FT WIND DIR..240 240 230 230 230 230 230 240 240 250 250 250
20 FT WIND SPD..8 6 6 6 6 6 6 6 6 6 6 7
20 FT WIND GUST.18 16 14 15 15 15 16 16 16 17 18 18
MIX HGT (KFT)...4.2 0.9 0.7 0.6 0.6 0.7 0.7 0.7 0.7 0.8 0.6 0.7
TRANSP WIND DIR.W SW SW SW SW SW SW W W W W W
TRANSP WIND DIR.250 230 230 230 230 230 230 250 260 260 260 260
TRANSP WIND SPD.21 15 15 15 16 17 17 18 18 16 16 16
LVORI...........1 2 2 2 2 3 3 3 3 3 3 3
ADI.............104 7 7 7 7 8 8 8 8 7 7 7
MONDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
SUNNY (50-60 PERCENT). SLIGHT CHANCE OF RAIN
AND THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 8 MPH WITH GUSTS TO AROUND 20
MPH SHIFTING TO THE NORTHWEST AROUND 7 MPH LATE
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
AFTERNOON.
MIXING HEIGHT.......5800 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 18 MPH SHIFTING TO THE NORTH 12 TO
13 MPH LATE IN THE AFTERNOON.
LVORI...............2.
ADI.................7 EARLY IN THE MORNING INCREASING TO 82 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........14 22 11 5 13 20 27 33 40 45 51 56
WEATHER COV..... SCH SCH SCH SCH
WEATHER TYPE.... RN RN RN RN
TSTM COV........ SCH SCH SCH SCH
CHC OF PCPN (%).0 0 0 0 0 0 0 0 20 20 20 20
TEMP............67 66 66 68 72 77 81 84 86 87 86 85
RH..............65 68 68 65 61 56 51 46 43 40 40 40
APARNT TMP (F)..67 66 66 68 72 77 82 84 86 87 85 84
20 FT WIND DIR..W SW W W W W W W W NW NW NW
20 FT WIND DIR..250 240 250 250 260 270 280 290 290 300 320 330
20 FT WIND SPD..7 7 7 8 9 9 9 8 8 8 8 8
20 FT WIND GUST.20 18 18 20 20 20 18 18 17 17 18 18
MIX HGT (KFT)...0.8 0.8 0.8 1.8 2.2 2.7 3.7 4.9 5.7 5.8 5.4 4.6
TRANSP WIND DIR.W W W W W W W NW NW NW N N
TRANSP WIND DIR.260 260 260 270 280 280 290 300 300 310 340 350
TRANSP WIND SPD.16 15 16 18 18 17 16 14 13 12 12 13
LVORI...........3 3 3 1 1 1 1 1 1 1 1 1
ADI.............7 16 17 42 49 51 58 79 82 75 70 68
FORECASTER...CARLBERG
REQUESTED BY...ADAM BROOKS
TYPE OF REQUEST...PRESCRIBED
.TAG 2607060.1/CAE
.DELDT 03/22/26
.FORMATTERVERSION 2.0.0
.EMAIL JASON_JOHNSON@NPS.GOV,ALINE_JOHNSON@NPS.GOV,ADAM.BROOKS@USDA.GOV,CYNTHIA_WORTHINGTON@NPS.GOV
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