625
FNUS72 KGSP 200642
FWSGSP
SPOT FORECAST FOR STEPS MOUNTAIN RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
142 AM EST TUE JAN 20 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A VERY DRY DAY AHEAD WITH RH VALUES DIPPING WELL BELOW 20% THIS AFTERNOON
WITH WIND GUSTS OF 15-20 MPH. EXPECT WINDS OUT OF THE W/NW THROUGH THE
EVENING AND BECOMING VARIABLE AND LIGHT AFTER MIDNIGHT. NO RAIN IS
EXPECTED THROUGH WEDNESDAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 48.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH IN THE LATE MORNING
AND AFTERNOON BECOMING LIGHT.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 13 MPH.
SMOKE DISPERSAL.....FAIR (15191 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (55356 MPH-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................19 TO 49.
STABILITY CLASS.....2.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........25000.
VISIBILITY (SM).....10.
SFC PRESSURE (IN)...28.91.
TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 1 3 3 2 2 0 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............36 40 44 46 47 48 48 45
DEWPOINT........0 0 0 1 2 3 4 5
RH..............21 18 15 15 15 16 16 19
20 FT WIND DIR..NW NW NW NW NW NW NW NW
20 FT WIND SPD..5 5 6 5 5 5 5 3
20 FT WIND GUST.12 12 13 13 12 12 10 9
MIX HGT (KFT)...2.1 2.8 3.4 4.0 4.2 4.4 4.1 2.2
TRANSP WIND DIR.NW NW NW NW NW NW NW NW
TRANSP WIND SPD.12 13 13 13 13 13 10 7
LVORI...........2 1 1 1 1 1 1 2
ADI.............29 39 43 47 48 49 39 19
VRATE MPH-FT/1K.24 35 43 51 53 55 43 15
CEILING (HFT)...250 250 250 250 250 250 250 250
VISIBILITY (SM).10 10 10 10 10 10 10 10
SFC PRES (IN)...894 894 894 893 892 891 891 892
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 26.
MAX HUMIDITY........54 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 7 MPH SHIFTING TO THE NORTHEAST
OVERNIGHT.
SMOKE DISPERSAL.....POOR (2877 MPH-FT).
LVORI...............2.
ADI.................2 TO 3.
STABILITY CLASS.....7.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........25000.
VISIBILITY (SM).....10.
SFC PRESSURE (IN)...28.94.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 1 1 1 0 1 1 5 6 7 8 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............41 37 35 33 32 32 31 30 29 27 27 26
DEWPOINT........7 7 9 10 11 11 10 10 10 10 10 9
RH..............24 28 33 36 40 41 42 43 45 47 48 49
20 FT WIND DIR..NW NW NW NW N N N N N N N N
20 FT WIND SPD..2 3 3 3 3 3 3 2 2 2 2 2
20 FT WIND GUST.8 7 7 6 6 6 6 6 6 6 6 5
MIX HGT (KFT)...0.8 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7
TRANSP WIND DIR.NW NW NW NW N N N N NE NE NE NE
TRANSP WIND SPD.5 5 5 6 7 6 6 6 6 7 5 5
LVORI...........2 2 2 2 2 2 2 2 2 2 2 2
ADI.............2 2 2 3 3 3 3 3 3 3 2 2
VRATE MPH-FT/1K.3 3 3 4 4 4 4 4 4 4 3 3
CEILING (HFT)...250 250 250 250 250 250 250 250 250 250 250 250
VISIBILITY (SM).10 10 10 10 10 10 10 10 10 10 10 10
SFC PRES (IN)...894 896 898 899 900 900 900 900 900 899 899 900
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 5 MPH SHIFTING TO THE EAST
AROUND 6 MPH LATE IN THE MORNING, THEN SHIFTING
TO THE SOUTHWEST 7 TO 12 MPH IN THE LATE
MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (2301 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (37863 MPH-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................4 EARLY IN THE MORNING INCREASING TO 46 IN THE
AFTERNOON.
STABILITY CLASS.....2.
PCPN AMOUNT.........0.00 INCHES.
CEILING (FT)........25000 INCREASING TO 30000 IN THE LATE MORNING
AND AFTERNOON.
VISIBILITY (SM).....10 EARLY IN THE MORNING.
SFC PRESSURE (IN)...28.89.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 13 20 29 38 40 43 45 51 58 64 67
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............26 27 26 30 36 40 44 46 48 49 49 47
DEWPOINT........9 9 11 13 14 15 15 16 16 17 18 19
RH..............49 47 54 49 40 35 31 29 28 28 29 32
20 FT WIND DIR..N N N NE E SE S S S S S SW
20 FT WIND SPD..2 2 2 2 2 2 3 3 3 3 3 2
20 FT WIND GUST.5 5 5 5 6 7 9 10 10 10 10 8
MIX HGT (KFT)...0.7 0.7 0.7 1.2 1.8 2.3 2.7 3.0 3.2 3.3 3.0 2.3
TRANSP WIND DIR.NE NE NE E S S S SW SW SW SW SW
TRANSP WIND SPD.5 3 5 6 7 8 8 9 10 12 12 9
LVORI...........2 2 2 2 2 2 2 1 1 1 1 2
ADI.............5 4 5 9 16 23 27 34 41 46 43 27
VRATE MPH-FT/1K.3 2 3 7 12 18 23 28 34 38 35 21
CEILING (HFT)...250 250 250 250 300 300 300 300 300 300 300 300
VISIBILITY (SM).10 10
SFC PRES (IN)...901 902 903 903 903 901 899 896 893 891 889 889
FORECASTER...CP
REQUESTED BY...RYAN GREEN
TYPE OF REQUEST...PRESCRIBED
.TAG 2600525.0/GSP
.DELDT 01/20/26
.FORMATTERVERSION 2.0.0
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