Suppression Forecast
Issued by NWS Atlanta, GA

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FNUS72 KFFC 161120
FWSFFC

Spot Forecast for Comp 09...USFS
National Weather Service Peachtree City GA
720 AM EDT Thu May 16 2019

Forecast is based on ignition time of 0800 EDT on May 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Broken deck of clouds around 6k to 8k feet will be in and out
through this morning along with a very slight chance of a shower,
although most will remain west of the burn site. RH values will
decrease to around 50 percent by noon before bottoming out at in
the lower 40s during the afternoon. Surface winds will be W
throughout the day starting at 2-3 mph this morning, then 5-7 mph
in the afternoon before becoming light overnight.

Transport winds will similarly be W at 7-10 mph. Winds will be W
to SW and fairly light, at 3-5 mph at the surface, and transport
winds of 5-8 mph. Isolated to scattered showers and thunderstorms
are once again possible on Friday afternoon. Please feel free to
contact us if you have any further questions or concerns.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
CWR.................10 percent.
LAL.................No Tstms.
Max temperature.....Around 86.
Min humidity........44 percent.
Wind (20 ft)........Light winds becoming west around 5 mph late in
                    the afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....West 9 to 10 mph.
Smoke dispersal.....Poor (2300 knot-ft) early in the morning
                    increasing to good (51200 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................12 increasing to 67.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.
CEILING (KFT).......15 increasing to 20 late in the morning, then
                    increasing to 25 early in the afternoon
                    decreasing to 20 early in the afternoon
                    decreasing to 12 decreasing to 9.0 late in the
                    afternoon decreasing to 7.0.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40  38  34  32  33  35  36  37  38  39
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  10  10  10  10  10  0   0   0   10
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............59  66  71  75  78  80  83  84  85  85
RH..............94  75  65  59  54  52  48  47  45  44
20 FT wind dir..W   W   W   W   W   W   W   W   W   W
20 FT wind spd..1   2   2   3   3   3   5   5   5   5
20 FT wind gust.2       4   5   5   6   6   6   7   7
Mix hgt (kft)...0.3 0.9 2.2 2.9 3.4 4.4 4.9 5.1 5.3 5.5
Transp wind dir.NW  W   W   W   W   W   W   W   W   SW
Transp wind spd.10  10  10  10  10  10  9   9   10  10
LVORI...........5   4   2   1   1   1   1   1   1   1
ADI.............10  13  30  37  42  51  56  57  60  67
Haines index....3   3   3   3   3   3   4   4   4   4
Vrate kt-ft/1K..2   8   20  26  30  38  42  44  49  51
Ventrate Cat....PR  PR  PR  PR  PR  PR  FR  FR  FR  FR
Ceiling (kft)...15  20  20  20  25  20  12  9.0 7.0 7.0

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................10 percent.
LAL.................No Tstms.
Min temperature.....Around 63.
Max humidity........100 percent.
Wind (20 ft)........West winds around 5 mph early in the evening
                    becoming light.
Mixing height.......200 ft AGL.
Transport winds.....West 9 to 17 mph.
Smoke dispersal.....Good (39100 knot-ft) early in the evening
                    decreasing to poor (1500 knot-ft) late in the
                    night.
LVORI...............5.
ADI.................63 decreasing to 6.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Pcpn amount.........0.00 inches.
CEILING (KFT).......6.0 decreasing to 5.0 early in the evening,
                    then increasing to 20 late in the evening
                    increasing to 25 late in the evening decreasing
                    to 20 decreasing to 15 early in the morning.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........39     37     22     18     18     19
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............10     10     10     10     10     10
LAL.............1      1      1      1      1      1
Temp............84     78     70     67     65     64
RH..............47     63     82     89     95     98
20 ft wind......W 5    W 3    SW 2   SW 2   W 2    SW 2
20 ft wind gust.6      5      4      4      4      4
Mix hgt (ft)....4100   200    200    200    200    200
Transport wind..SW 13  SW 17  W 17   W 14   W 10   W 9
LVORI...........1      3      4      5      6      9
ADI.............63     8      7      6      5      4
Haines index....4      4      4      4      4      4
Vrate kt-ft/1K..39     3      3      2      2      2
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR
Ceiling (kft)...6.0    5.0    20     25     20     20

$$
Forecaster...Deese
Requested by...Tim Kolnik
Type of request...PRESCRIBED
.TAG 1909333.0/FFC
.DELDT 05/15/19
.FormatterVersion 1.0.26
.EMAIL tpkolnik@fs.fed.us


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