Spot Forecast
Issued by NWS Atlanta, GA

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909
FNUS72 KFFC 140833
FWSFFC

Spot Forecast for Cl51Whitehall Project...USFS
National Weather Service Peachtree City GA
433 AM EDT Mon Sep 14 2026

Forecast is based on ignition time of 0756 EDT on September 14.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Mostly clear and dry conditions expected today. Surface winds
initially out of the northwest will swing northeast by late
morning. Expect mixing heights to max out between 6.5-7kft.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 96.
Min humidity........42 percent.
Dewpoint............69.
Wind (20 ft)........Light winds.
Mixing height.......6900 ft AGL.
Transport winds.....Northeast 6 to 7 mph.
Smoke dispersal.....Poor (1600 knot-ft) early in the morning
                    increasing to good (41300 knot-ft) in the
                    afternoon.
LVORI...............4.
ADI.................6 early in the morning increasing to 57 in the
                    afternoon.
Pcpn amount.........0.00 inches.
CEILING (KFT).......25.

TIME (EDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........6   9   4   2   3   4   4   4   3   4   4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0
Temp............69  70  74  81  86  90  92  94  95  96  95
Dewpoint........67  68  70  71  71  71  70  70  70  69  68
RH..............92  92  86  71  60  54  49  46  45  42  42
20 FT wind dir..NW  N   N   N   NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..2   2   2   2   3   3   3   3   3   3   3
20 FT wind gust.6   7   6   7   8   9   9   9   9   9   9
Mix hgt (kft)...0.3 0.3 0.7 1.3 2.7 4.5 5.4 6.1 6.6 6.9 6.8
Transp wind dir.N   N   N   NE  NE  NE  NE  NE  NE  NE  NE
Transp wind spd.6   6   7   6   7   7   7   7   7   7   7
LVORI...........6   6   4   3   2   1   1   1   1   1   1
ADI.............6   6   7   10  24  42  47  55  56  57  53
Vrate kt-ft/1K..2   2   4   7   16  29  33  39  40  41  38
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  FR  FR  PR
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of thunder...1 percent.
Min temperature.....Around 72.
Max humidity........88 percent.
Dewpoint............68.
Wind (20 ft)........Light winds becoming northeast around 5 mph
                    early in the morning.
Mixing height.......400 ft AGL.
Transport winds.....East 6 to 10 mph.
Smoke dispersal.....Good (35900 knot-ft) early in the evening
                    decreasing to poor (2000 knot-ft) late in the
                    night.
LVORI...............3.
ADI.................50 early in the evening decreasing to 3 late in
                    the night.
Pcpn amount.........0.00 inches.
CEILING (KFT).......25.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........6   4   7   8   13  16  16  11  12  14  14  25
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............94  91  86  82  80  78  77  76  75  75  73  73
Dewpoint........68  69  68  69  69  69  69  69  69  68  68  68
RH..............44  48  56  65  70  73  75  78  80  81  83  84
20 FT wind dir..NE  E   NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..3   2   2   2   2   2   2   2   2   2   3   5
20 FT wind gust.9   8   8   8   9   8   8   8   8   9   10  13
Mix hgt (kft)...6.2 1.6 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.7
Transp wind dir.NE  E   E   NE  E   E   E   E   E   E   E   E
Transp wind spd.7   7   6   7   7   7   8   8   9   10  10  10
LVORI...........1   2   3   3   3   3   4   4   4   4   5   5
ADI.............50  3   3   3   3   3   3   4   4   5   5   4
Vrate kt-ft/1K..36  9   2   3   3   3   3   3   4   5   6   6
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25

.TUESDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................10 percent.
Chance of thunder...6 percent.
Max temperature.....Around 91.
Min humidity........54 percent.
Dewpoint............70.
Wind (20 ft)........Northeast winds 6 to 9 mph.
Mixing height.......4600 ft AGL.
Transport winds.....East 9 to 12 mph.
Smoke dispersal.....Poor (6500 knot-ft) early in the morning
                    increasing to good (38900 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................4 early in the morning increasing to 53 in the
                    afternoon.
Pcpn amount.........0.00 inches.
CEILING (KFT).......20 decreasing to 15 early in the morning, then
                    decreasing to 10 early in the morning
                    decreasing to 7.0 late in the morning
                    decreasing to 3.5 decreasing to 1.8 late in the
                    morning decreasing to 1.0 increasing to 1.5
                    early in the afternoon increasing to 2.0
                    increasing to 2.5 late in the afternoon
                    increasing to 3.0.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32  38  36  26  31  36  36  40  32  36  28  13
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   10  10  10  10  10  0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   10  0   0   0
Temp............72  72  72  75  79  82  84  86  88  90  90  90
Dewpoint........68  68  68  70  72  72  72  72  72  72  72  71
RH..............85  86  88  87  79  73  68  63  59  57  54  54
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  E
20 FT wind spd..6   7   8   9   9   8   8   8   7   7   7   7
20 FT wind gust.13  14  15  16  17  16  16  16  16  16  17  17
Mix hgt (kft)...0.8 0.8 1.1 1.7 2.2 2.6 3.2 3.8 4.2 4.4 4.6 4.2
Transp wind dir.E   E   E   E   E   E   E   E   E   E   E   E
Transp wind spd.10  10  12  10  10  12  12  12  10  9   9   9
LVORI...........5   4   4   4   3   3   1   1   1   1   1   1
ADI.............4   11  16  23  30  37  46  51  53  47  47  45
Vrate kt-ft/1K..7   7   11  15  21  26  32  37  39  34  35  33
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...20  15  10  7.0 3.5 1.8 1.0 1.2 1.5 2.0 2.5 3.0

$$
Forecaster...LMarlow
Requested by...Benjamin Thigpen
Type of request...PRESCRIBED
.TAG 2621579.3/FFC
.DELDT 09/14/26
.FormatterVersion 2.0.0
.EMAIL benjamin.thigpen@uga.edu