Spot Forecast
Issued by NWS Greer, SC
Issued by NWS Greer, SC
595
FNUS72 KGSP 121129
FWSGSP
Spot Forecast for Grassy Ridge 1...NC Parks
National Weather Service Greenville-Spartanburg SC
629 AM EST Wed Nov 12 2025
Forecast is based on ignition time of 0700 EST on November 12.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Wind speeds will generally be 5-7 mph through early Thursday
morning, becoming light by mid-morning Thursday. Minimum relative
humidity will only fall into the lower 50s this afternoon, with
minimum relative humidity falling into the upper 30s Thursday
afternoon. Wind direction will be generally W/NW through tonight,
becoming N/NW Thursday.
.TODAY...
Sky/weather.........Sunny (0-10 percent).
Chance of thunder...0 percent.
Max temperature.....Around 54.
Min humidity........51 percent.
Wind (20 ft)........West winds 5 to 7 mph in the morning and early
afternoon becoming light by mid-afternoon.
Mixing height.......2400 ft AGL.
Transport winds.....Northwest 16 to 23 mph decreasing to around 12
mph late in the afternoon.
Smoke dispersal.....Poor (4948 mph-ft) early in the morning
increasing to good (55011 mph-ft) in the
afternoon.
LVORI...............2.
ADI.................13 early in the morning increasing to 70 in the
afternoon.
Stability class.....2.
Pcpn amount.........0.00 inches.
Ceiling (FT)........25000.
Visibility (SM).....10.
Sfc pressure (in)...27.38.
TIME (EST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5 4 6 6 3 2 3 3 3 3 3
Weather cov.....
Weather type....
Tstm cov........
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0
Temp............36 37 42 46 48 51 53 54 54 54 52
Dewpoint........23 24 27 31 33 35 36 36 36 37 37
RH..............59 59 56 56 54 52 52 52 51 53 56
20 FT wind dir..W W W W W W W W W NW W
20 FT wind spd..7 7 6 5 5 5 5 5 3 3 3
20 FT wind gust.18 18 18 17 16 17 16 16 16 16 16
Mix hgt (kft)...0.3 0.5 0.7 1.3 1.6 2.1 2.3 2.4 2.4 2.0 0.9
Transp wind dir.NW W W NW NW NW NW NW NW NW NW
Transp wind spd.16 16 16 21 21 22 22 22 23 18 12
LVORI...........2 2 2 1 1 1 1 1 1 1 2
ADI.............17 17 17 36 43 59 64 66 70 46 13
VRate mph-ft/10005 8 12 28 33 46 50 52 55 36 10
Ceiling (hft)...250 250 250 250 250 250 250 250 250 250 250
Visibility (sm).10 10 10 10 10 10 10 10 10 10 10
Sfc pres (in)...741 742 742 742 741 740 740 739 738 738 739
.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent) then becoming
mostly cloudy (50-60 percent).
Chance of thunder...0 percent.
Min temperature.....Around 38.
Max humidity........82 percent.
Wind (20 ft)........West winds 5 to 6 mph shifting to the northwest
around 5 mph late in the evening.
Mixing height.......300 ft AGL.
Transport winds.....Northwest 12 to 15 mph.
Smoke dispersal.....Poor (3337 mph-ft).
LVORI...............4.
ADI.................5 to 8.
Stability class.....5.
Pcpn amount.........0.00 inches.
Ceiling (FT)........23000.
Visibility (SM).....10.
Sfc pressure (in)...27.41.
TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........3 7 5 8 8 7 1 19 19 33 37 57
Weather cov.....
Weather type....
Tstm cov........
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............49 46 44 43 42 42 42 41 41 41 40 40
Dewpoint........36 36 36 36 36 36 36 36 35 34 34 33
RH..............60 68 72 76 79 78 80 82 79 78 80 76
20 FT wind dir..W W W NW NW NW NW NW NW NW NW N
20 FT wind spd..5 5 5 6 5 5 5 5 5 5 5 5
20 FT wind gust.16 15 15 15 14 14 14 13 14 14 14 14
Mix hgt (kft)...0.5 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
Transp wind dir.NW NW NW NW NW NW NW NW NW NW NW NW
Transp wind spd.12 12 12 13 15 15 15 12 13 12 12 12
LVORI...........3 3 3 4 4 4 4 4 4 4 4 4
ADI.............5 5 5 6 7 7 7 5 6 5 5 8
VRate mph-ft/10006 4 4 4 5 5 5 4 4 3 3 3
Ceiling (hft)...250 250 250 250 250 250 250 250 250 240 240 230
Visibility (sm).10 10 10 10 10 10 10 10 10 10 10 10
Sfc pres (in)...741 742 743 743 744 744 744 745 745 746 746 747
.THURSDAY...
Sky/weather.........Mostly sunny (35-45 percent).
Chance of thunder...0 percent.
Max temperature.....Around 57.
Min humidity........37 percent.
Wind (20 ft)........North winds around 5 mph early in the morning
becoming light by mid-morning.
Mixing height.......3200 ft AGL.
Transport winds.....Northwest 8 to 14 mph.
Smoke dispersal.....Poor (3682 mph-ft) early in the morning
increasing to good (44078 mph-ft) in the
afternoon.
LVORI...............3.
ADI.................13 early in the morning increasing to 57 in the
afternoon.
Stability class.....1.
Pcpn amount.........0.00 inches.
Ceiling (FT)........18000 decreasing to 17000 in the afternoon.
Visibility (SM).....10 in the morning and early afternoon.
Sfc pressure (in)...27.48.
TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........53 37 34 30 26 31 36 41 43 45 47 42
Weather cov.....
Weather type....
Tstm cov........
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............39 38 40 45 50 53 55 56 57 57 56 53
Dewpoint........32 31 31 31 32 31 31 31 31 32 32 32
RH..............75 75 70 59 49 43 40 38 37 39 41 44
20 FT wind dir..N N N N N N NW NW NW NW NW NW
20 FT wind spd..5 5 5 2 1 1 1 1 1 1 1 1
20 FT wind gust.14 14 13 12 10 9 8 8 8 8 8 8
Mix hgt (kft)...0.3 0.3 0.4 0.8 1.2 1.8 2.5 3.2 2.7 2.2 1.7 1.2
Transp wind dir.NW N N N NW NW N N N NW NW NW
Transp wind spd.13 13 13 12 12 13 14 14 13 12 9 8
LVORI...........4 4 3 2 2 2 1 1 1 1 2 2
ADI.............13 13 13 13 18 29 43 57 44 31 20 13
VRate mph-ft/10004 4 5 9 13 23 33 44 34 24 16 10
Ceiling (hft)...220 220 210 210 180 180 170 170 170 170 180 170
Visibility (sm).10 10 10 10 10 10 10 10
Sfc pres (in)...748 749 750 751 752 751 751 750 750 750 749 750
$$
Forecaster...AR
Requested by...Andrew Slack
Type of request...PRESCRIBED
.TAG 2525656.0/GSP
.DELDT 11/12/25
.FormatterVersion 2.0.0