Suppression Forecast
Issued by NWS Greer, SC
Issued by NWS Greer, SC
719
FNUS72 KGSP 130814
FWSGSP
Spot Forecast for Big Rock Rx...TNC
National Weather Service Greenville-Spartanburg SC
414 AM EDT Thu Mar 13 2025
Forecast is based on ignition time of 0700 EDT on March 13.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...
Cloud cover will increase across the area today along with
gradually increasing moisture. This will result in higher humidity
values compared to the last several days with minimum humidity
falling to around 30%. Moisture continues to increase tomorrow
with minimum values around 40-45%.
.TODAY...
Sky/weather.........Partly sunny (65-75 percent) then becoming
mostly cloudy (70-80 percent) then becoming
sunny (20-30 percent).
Max temperature.....Around 76.
Min humidity........31 percent.
Wind (20 ft)........Light winds becoming south around 5 mph late in
the afternoon.
Mixing height.......5700 ft AGL.
Transport winds.....North 2 to 3 mph shifting to the east around 3
mph early in the afternoon, then shifting to
the south in the afternoon.
Smoke dispersal.....Poor (1200 knot-ft) early in the morning
increasing to good (34400 knot-ft) in the
afternoon.
LVORI...............2.
ADI.................2 early in the morning increasing to 46 in the
afternoon.
Pcpn amount.........0.00 inches.
Ceiling (FT)........20000 decreasing to 15000 in the afternoon.
Visibility (SM).....10.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81 69 54 73 78 83 88 73 58 34 13
Weather cov.....
Weather type....
Tstm cov........
Temp............47 46 51 58 63 67 69 72 74 75 75
Dewpoint........35 35 36 39 40 40 41 41 41 42 42
RH..............63 66 58 49 42 38 35 32 31 31 31
20 FT wind dir..NW NW NW N N S S S S S S
20 FT wind spd..2 2 1 1 0 1 2 2 3 5 5
20 FT wind gust.3 3 2 1 2 3 5 6 7 8
Mix hgt (kft)...0.6 0.6 0.6 0.6 1.3 2.0 3.4 4.3 5.0 5.7 4.9
Transp wind dir.N NW NW NW NE E S S S S SW
Transp wind spd.3 3 3 2 3 3 5 5 7 7 8
LVORI...........3 3 3 2 2 2 2 2 1 1 1
ADI.............4 4 3 2 6 9 19 23 40 44 46
VRate kt-ft/10002 2 2 1 4 6 13 17 30 34 34
Ceiling (hft)...210 210 240 220 210 200 150 150 160 160 160
Visibility (sm).10 10 10 10 10 10 10 10 10 10 10
.TONIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 47.
Max humidity........95 percent.
Wind (20 ft)........South winds around 5 mph early in the evening
becoming light.
Mixing height.......600 ft AGL.
Transport winds.....Southwest 3 to 9 mph shifting to the northwest
3 to 5 mph overnight.
Smoke dispersal.....Good (30500 knot-ft) early in the evening
decreasing to poor (1800 knot-ft) late in the
night.
LVORI...............4.
ADI.................2 to 42.
Pcpn amount.........0.00 inches.
Ceiling (FT)........16000 increasing to 21000 in the late evening
and overnight.
Visibility (SM).....9.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........10 10 12 10 12 11 5 6 6 6 8 11
Weather cov.....
Weather type....
Tstm cov........
Temp............73 70 65 63 60 57 54 53 52 51 50 50
Dewpoint........43 44 45 46 47 47 47 47 47 46 46 46
RH..............35 40 48 55 63 71 77 80 83 85 87 85
20 FT wind dir..S S S SW W W NW NW N N N N
20 FT wind spd..5 3 2 2 1 1 1 1 2 2 2 2
20 FT wind gust.7 6 3 3 2 2 2 3 3 3 3 3
Mix hgt (kft)...3.8 1.0 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
Transp wind dir.SW S S SW W W W W NW NW NW NW
Transp wind spd.9 7 8 5 5 5 5 3 5 3 3 3
LVORI...........1 2 2 3 3 3 4 5 5 5 6 5
ADI.............42 3 4 2 2 2 2 2 2 2 2 2
VRate kt-ft/100031 6 5 3 3 3 3 2 2 2 2 2
Ceiling (hft)...160 160 180 210 240 240 240 250 250 250 250 250
Visibility (sm).10 10 10 10 10 10 10 10 10 10 10 9
.FRIDAY...
Sky/weather.........Mostly sunny (30-40 percent). Slight chance of
rain showers late in the morning. Slight chance
of rain showers late in the afternoon.
Max temperature.....Around 74.
Min humidity........44 percent.
Wind (20 ft)........Light winds becoming southeast around 5 mph
late in the afternoon.
Mixing height.......3600 ft AGL.
Transport winds.....North around 2 mph shifting to the south around
10 mph late in the afternoon.
Smoke dispersal.....Poor (1200 knot-ft) early in the morning
increasing to good (32000 knot-ft) in the
afternoon.
LVORI...............5.
ADI.................1 early in the morning increasing to 45 in the
afternoon.
Pcpn amount.........0.00 inches.
Ceiling (FT)........21000 increasing to 27000 late in the morning,
then decreasing to 4000 in the late morning and
afternoon.
Visibility (SM).....9 early in the morning.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........17 23 14 32 20 37 39 49 58 54 50 46
Weather cov..... SCH SCH
Weather type.... RW RW
Tstm cov........
Temp............49 49 48 50 56 61 65 67 70 71 72 73
Dewpoint........46 46 46 47 49 51 51 51 51 51 50 50
RH..............88 90 95 88 78 69 60 56 51 49 47 44
20 FT wind dir..N NE NE E E E E SE SE SE SE S
20 FT wind spd..2 2 1 1 1 1 2 3 5 5 5 5
20 FT wind gust.3 3 3 5 6 6 8 9 10 10 10 10
Mix hgt (kft)...0.6 0.6 0.6 0.7 1.3 2.1 2.0 2.4 2.9 3.1 3.3 3.6
Transp wind dir.N NE NE E E E E SE SE S S S
Transp wind spd.2 3 3 5 6 6 9 9 8 9 10 10
LVORI...........6 6 8 5 4 3 2 2 2 2 1 1
ADI.............1 4 3 4 9 16 23 29 19 21 40 45
VRate kt-ft/10001 2 2 3 6 11 16 20 20 24 29 32
Ceiling (hft)...250 210 210 270 45 45 40 40 40 40 45 45
Visibility (sm).9 9 9
$$
Forecaster...Thomas Winesett
Requested by...Yeatman
Type of request...PRESCRIBED
.TAG 2506265.0/GSP
.DELDT 03/13/25
.FormatterVersion 2.0.0