746
FNUS72 KGSP 251826
FWSGSP
SPOT FORECAST FOR MIDDLE RIDGE RX...BIA/DOI
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
226 PM EDT WED MAR 25 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE MOVES EAST OF THE AREA BRINGING WINDS AROUND TO THE
SOUTHWEST. WIND SPEEDS PICK UP WITH LIGHT GUSTS BY AFTERNOON. THE
SOUTHWESTERLY FLOW ALSO BRINGS AN INCREASE IN MOISTURE WITH RH VALUES
ONLY DROPPING INTO THE 50 PERCENT RANGE FOR THE AFTERNOON. THERE WILL
BE AN INCREASE IN CLOUDS, BUT NO PRECIPITATION IS EXPECTED.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH. GUSTS UP TO 20 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 17 MPH SHIFTING TO THE WEST 17
TO 18 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (920 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (59039 MPH-FT) IN THE
AFTERNOON.
ADI.................6 EARLY IN THE MORNING INCREASING TO 68 IN THE
AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........7200.
VISIBILITY (SM).....10.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 58 53 47 42 37 32 29 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............48 51 54 57 59 63 65 65 66
RH..............91 88 83 79 71 63 60 58 56
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 6 6 7 8 8 9 8
20 FT WIND GUST.12 13 15 16 17 18 18 20 18
MIX HGT (KFT)...0.1 0.7 1.2 1.7 2.2 2.6 3.0 3.2 3.2
TRANSP WIND DIR.SW SW SW W W W W W W
TRANSP WIND SPD.8 12 12 15 14 16 17 18 17
ADI.............6 9 17 34 38 53 65 61 68
VRATE MPH-FT/1K.1 9 13 26 30 42 52 59 56
CEILING (HFT)...75 72 76 76 76 76 80 85 89
VISIBILITY (SM).10 10 10 10 10 10 10 10 10
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 53.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 18 MPH.
SMOKE DISPERSAL.....GOOD (44999 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (1035 MPH-FT) LATE IN THE
NIGHT.
ADI.................57 EARLY IN THE EVENING DECREASING TO 6 LATE IN
THE NIGHT.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........9700 INCREASING TO 30000 LATE IN THE EVENING.
VISIBILITY (SM).....10 EARLY IN THE EVENING.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........20 21 17 22 17 11 13 14 16 22 29 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............66 64 62 59 58 56 55 55 54 54 53 53
RH..............55 61 67 70 74 79 82 84 85 87 89 90
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..8 7 6 6 6 6 6 7 6 6 6 6
20 FT WIND GUST.17 17 16 16 16 16 16 15 15 15 15 15
MIX HGT (KFT)...2.4 0.6 0.2 0.3 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.SW SW W SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.18 16 14 14 15 15 15 14 13 13 13 13
ADI.............57 7 6 6 7 7 7 6 6 6 6 6
VRATE MPH-FT/1K.45 10 3 4 3 2 2 1 1 1 1 1
CEILING (HFT)...97 105 113 113 113 300 300 300 300 300 300 300
VISIBILITY (SM).10 10 10
FORECASTER...RWH
REQUESTED BY...DAVID COLLINS
TYPE OF REQUEST...PRESCRIBED
.TAG 2607892.0/GSP
.DELDT 03/25/26
.FORMATTERVERSION 2.0.0
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