Suppression Forecast
Issued by NWS Atlanta, GA

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FNUS72 KFFC 201017
FWSFFC

Spot Forecast for 163_164...USFS
National Weather Service Peachtree City GA
617 AM EDT Fri Apr 20 2018

Forecast is based on ignition time of 0700 EDT on April 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

...Fire Danger Statement is in effect this afternoon into evening for
all of north and central Georgia...

The spot location should see afternoon RH values in the 20 to 25
percent range from 2 PM until 7 PM. Winds look to be east northeast
close to 10 to 15 mph through this morning, then gradually decrease
under 10 mph for the afternoon.

.TODAY...

Sky/weather.........Sunny (0-5 percent).
CWR.................0 percent.
LAL.................No Tstms.
Max temperature.....Around 71.
Min humidity........23 percent.
Wind (20 ft)........Northeast winds 6 to 12 mph.
Mixing height.......200-1200 ft AGL increasing to 4700-4900 ft AGL.
Transport winds.....Northeast 6 to 14 mph shifting to the east 16
                    to 23 mph in the late morning and early
                    afternoon, then shifting to the northeast 9 to
                    12 mph early in the afternoon.
Smoke dispersal.....Poor to good (0-32600 knot-ft) increasing to
                    good to excellent (39600-68200 knot-ft) in the
                    late morning and afternoon.
LVORI...............2.
ADI.................8 increasing to 28 late in the morning, then
                    increasing to 65 late in the morning increasing
                    to 76 late in the morning decreasing to 59
                    decreasing to 42 early in the afternoon.
Haines Index........2 to 5 OR or very low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.
Pcpn amount.........0.00 inches.
CEILING (KFT).......25.

TIME (EDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0   1   1   1   1   1   1   1   1   1   1
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1
Temp............42  44  48  54  59  63  65  67  69  71  71
RH..............70  64  53  42  35  30  28  26  24  23  23
20 FT wind dir..NE  NE  NE  E   E   E   E   E   E   NE  NE
20 FT wind spd..6   9   10  10  12  10  9   8   7   7   6
20 FT wind gust.7           12      11  11  10  10  8   7
Mix hgt (kft)...0.2 0.4 1.2 2.7 3.4 3.6 4.1 4.3 4.4 4.7 4.9
Transp wind dir.NE  NE  NE  E   E   E   E   E   E   NE  NE
Transp wind spd.6   14  18  22  23  21  16  12  10  10  9
LVORI...........3   2   2   1   1   1   1   1   1   1   1
ADI.............7   11  28  65  79  72  59  45  40  39  45
Haines index....2   3   3   3   4   4   4   4   4   4   5
VRate kt-ft/10000   5   33  55  68  66  55  43  42  43  40
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25

.TONIGHT...

Sky/weather.........Clear (0-5 percent).
CWR.................0 percent.
LAL.................No Tstms.
Min temperature.....Around 44.
Max humidity........75 percent.
Wind (20 ft)........Northeast winds around 5 mph early in the
                    evening becoming light.
Mixing height.......2500 ft AGL decreasing to 200 ft AGL.
Transport winds.....East 3 to 8 mph.
Smoke dispersal.....Poor to fair (0-27300 knot-ft).
LVORI...............3.
ADI.................25 decreasing to 3.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Pcpn amount.........0.00 inches.
CEILING (KFT).......25.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   1   1   1   0   0   0   0   0   0   0   0
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............68  65  61  57  54  52  50  49  48  47  46  45
RH..............26  31  37  43  48  52  56  59  62  63  64  67
20 FT wind dir..NE  NE  NE  NE  E   E   E   E   E   E   E   E
20 FT wind spd..5   5   3   3   3   3   3   3   3   3   3   3
20 FT wind gust.6   6   5   4           4   4   4   4   5   5
Mix hgt (kft)...2.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Transp wind dir.NE  NE  NE  NE  E   E   E   E   E   E   E   E
Transp wind spd.8   6   5   3   3   3   3   3   3   3   3   5
LVORI...........2   2   2   2   2   2   3   3   3   3   3   3
ADI.............25  3   2   2   2   2   2   2   2   2   2   2
Haines index....5   5   5   5   5   5   5   5   5   5   5   5
VRate kt-ft/100027  13  1   0   0   1   1   1   1   1   1   1
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25

.SATURDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................No Tstms.
Max temperature.....Around 73.
Min humidity........28 percent.
Wind (20 ft)........Light winds becoming east 5 to 9 mph early in
                    the morning.
Mixing height.......200-1100 ft AGL increasing to 4900-5700 ft AGL.
Transport winds.....East 3 to 9 mph increasing to 9 to 18 mph in
                    the late morning and afternoon.
Smoke dispersal.....Poor to good (0-43100 knot-ft) increasing to
                    good to excellent (43000-64300 knot-ft) late in
                    the morning.
LVORI...............3.
ADI.................4 increasing to 12 late in the morning, then
                    increasing to 47 late in the morning increasing
                    to 65 late in the morning decreasing to 46
                    decreasing to 38 late in the afternoon.
Haines Index........4 to 5 OR or low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.
Pcpn amount.........0.00 inches.
CEILING (KFT).......25.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0   0   0   1   5   7   6   4   6   5   8   9
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............44  44  46  51  57  63  66  68  69  71  72  73
RH..............72  75  73  60  48  39  35  32  31  29  28  28
20 FT wind dir..E   E   NE  E   E   E   E   E   E   E   E   E
20 FT wind spd..3   3   5   6   8   9   9   9   8   8   8   7
20 FT wind gust.5   5   6   8   11  12  13  12  12  11  11  10
Mix hgt (kft)...0.2 0.2 0.2 1.1 2.8 3.7 4.1 4.9 5.2 5.4 5.6 5.7
Transp wind dir.E   E   NE  E   E   E   E   E   E   E   E   E
Transp wind spd.3   3   5   9   15  18  18  15  12  10  9   9
LVORI...........3   4   3   2   1   1   1   1   1   1   1   1
ADI.............2   4   5   12  47  68  68  61  50  44  41  38
Haines index....5   5   4   4   4   4   4   4   5   5   5   5
VRate kt-ft/10000   0   1   20  43  61  64  60  54  52  49  43
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25

$$
Forecaster...Baker
Requested by...Tim Kolnik
Type of request...PRESCRIBED
.TAG 1807138.0/FFC



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