971
FNUS72 KCAE 161221
FWSCAE
SPOT FORECAST FOR TEST BLOCK...SCDNR
NATIONAL WEATHER SERVICE COLUMBIA SC
821 AM EDT WED APR 16 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION.
DRY HIGH PRESSURE IS FILLING INTO THE AREA TODAY.
A WEAK INVERSION DEVELOPED OVERNIGHT AND WINDS HAVE MOSTLY CALM THIS
MORNING. THIS INVERSION SHOULD MIX OUT BETWEEN 9-10AM, WITH WINDS
THEN REMAINING WEST-NORTHWEST THE REST OF THE DAY, GUSTS AROUND 10-12
MPH ARE EXPECTED MID-AFTERNOON. WHILE WINDS WILL REMAIN RELATIVELY
LIGHT, DEEP DRY AIR AND MIXING WILL DROP RH'S DOWN TO 20-25% DURING
THE WARMEST HOURS THIS AFTERNOON. GIVEN THE DRY AIR, FOG AND/OR STRATUS
IS NOT EXPECTED TONIGHT. SMOKE DISPERSION WILL REALLY SHUT DOWN AS
THE WINDS DROP OFF LATE THIS AFTERNOON/EARLY EVENING AROUND 5 PM TO 6
PM HAS ANOTHER INVERSION DEVELOPS TONIGHT.
TODAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......6400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 10 MPH.
LVORI...............2.
ADI.................4 EARLY IN THE MORNING INCREASING TO 84 IN THE
AFTERNOON.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........1 0 1 1 1 2 1 1 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
TEMP............52 56 60 63 66 67 70 71 71
RH..............61 47 39 34 30 27 24 23 23
APARNT TMP (F)..51 55 59 62 65 67 69 70 71
20 FT WIND DIR..NW NW NW W W W W W W
20 FT WIND DIR..330 310 300 290 280 270 280 280 270
20 FT WIND SPD..3 3 3 3 5 5 5 5 5
20 FT WIND GUST.5 5 5 6 6 7 7 7 7
MIX HGT (KFT)...2.0 3.2 4.1 4.8 5.3 5.7 6.1 6.3 6.4
TRANSP WIND DIR.N NW NW NW W W W W W
TRANSP WIND DIR.340 330 320 310 290 280 280 280 280
TRANSP WIND SPD.9 9 8 8 8 9 10 10 10
LVORI...........2 1 1 1 1 1 1 1 1
ADI.............22 40 42 49 53 67 80 82 84
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE NORTHEAST 5 TO
6 MPH OVERNIGHT.
LVORI...............2.
ADI.................74 EARLY IN THE EVENING DECREASING TO 2 LATE IN
THE NIGHT.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........3 4 6 7 8 10 11 15 18 11 8 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............71 69 63 59 57 55 53 52 50 49 47 46
RH..............25 28 38 46 51 54 56 59 61 63 65 68
APARNT TMP (F)..70 68 62 58 56 54 52 51 49 48 46 45
20 FT WIND DIR..W W W W NW NW N N N NE NE NE
20 FT WIND DIR..270 250 250 260 310 330 350 020 020 030 030 030
20 FT WIND SPD..3 3 2 2 2 2 2 2 2 2 2 2
20 FT WIND GUST.5 5 3 5 5 5 5 5 5 6 6 6
MIX HGT (KFT)...6.1 1.7 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W W SW SW W NE NE NE NE NE NE
TRANSP WIND DIR.280 260 250 240 230 270 050 030 030 030 030 030
TRANSP WIND SPD.10 8 5 5 5 5 5 5 5 6 6 6
LVORI...........1 2 2 2 2 2 3 3 3 3 3 3
ADI.............74 4 2 2 2 2 2 2 2 3 3 3
FORECASTER...VAUGHAN
REQUESTED BY...THOMAS KIKER
TYPE OF REQUEST...PRESCRIBED
.TAG 2510610.0/CAE
.DELDT 04/16/25
.FORMATTERVERSION 2.0.0
.EMAIL KIKERT@DNR.SC.GOV
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