Suppression Forecast
Issued by NWS Atlanta, GA

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FNUS72 KFFC 181853
FWSFFC

Spot Forecast for Strawberry Mtn Site Prep...USFS
National Weather Service Peachtree City GA
153 PM EST Sat Nov 18 2017

Forecast is based on ignition time of 1400 EST on November 18.
If conditions become unrepresentative...contact the National Weather
Service.

...Fire Danger Statement In Effect For Portions of North and
Central Georgia This Afternoon Due to Winds...

...WIND ADVISORY IN EFFECT UNTIL 7 AM EST SUNDAY...

.DISCUSSION...

Updated the forecast due to winds. RH values have not changed
since the morning issuance of the spot forecast.

Winds continue out of the SW this afternoon, but have been a
little slower to pick up than previously forecast. For the
next few hours,winds 10mph to 15 mph with gusts to between 20mph
and 25 mph will be likely. Sustained wind speeds are expected
to pick up after dark to between 15mph and 20 mph with gusts
to between 25 and 30 mph. A wind shift to the northwest should
occur between 9PM and 11PM. Wind speeds should decrease
around sunrise on Sunday.

A cold front will be accompanied by a line of showers and
possibly a thunderstorm. The best chances for rain should occur
between 6PM and 10PM.

Dry and less humid conditions are expected on Sunday. Min RH
values will average around 45 percent. Winds will be out of the
NW around 10 MPH with occasional gusts to around 20 MPH.


.REST OF TODAY...

Sky/weather.........Cloudy (85-95 percent). A slight chance of
                    showers early in the afternoon, then a chance
                    of showers late.
CWR.................20 percent, increasing to 40 percent.
Max temperature.....Around 63.
Min humidity........68 percent.
Wind (20 ft)........South winds around 14 mph with gusts to around
                    20 mph.
Mixing height.......2000-2300 ft AGL.
Transport winds.....South 25 to 28 mph.
Smoke dispersal.....Good (47700 knot-ft).
LVORI...............2.
ADI.................50.
Pcpn amount.........0.03 inches.

TIME (EST)      2 PM   4 PM
Sky (%).........90     92
Weather cov.....S CHC  CHANCE
Weather type....RNSHWR RNSHWR
Tstm cov........
CWR.............20     30
Temp............60     63
RH..............79     78
20 ft wind......S 14   S 14
20 ft wind gust.19     19
Mix hgt (ft)....2300   2300
Transport wind..S 28   S 26
LVORI...........1      3
ADI.............50     52
VRate kt-ft/100055     53

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent), then becoming
                    partly cloudy (40-50 percent). A chance of
                    showers early in the evening, then showers and
                    a slight chance of thunderstorms in the
                    evening. A chance of showers late in the
                    evening.
CWR.................50 percent, increasing to 60 percent in the
                    evening, then increasing to 70 percent in the
                    evening, increasing to 80 percent in the
                    evening, decreasing to 60 percent, decreasing
                    to 50 percent in the evening, decreasing to 40
                    percent, decreasing to 10 percent.
Min temperature.....Around 40.
Max humidity........84 percent.
Wind (20 ft)........Northwest winds 14 to 20 mph. Gusts up to 32
                    mph. Gusty and erratic winds expected near
                    thunderstorms in the evening.
Mixing height.......400-2000 ft AGL.
Transport winds.....Northwest 15 to 23 mph.
Smoke dispersal.....Poor to good (5000-40400 knot-ft).
LVORI...............4.
ADI.................31, decreasing to 14.
Pcpn amount.........0.27 inches.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........94  95  95  96  96  91  80  75  68  55  48  42
Weather cov.....CHC LKY LKY DEF LKY CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW
Tstm cov........    SCH SCH SCH SCH
CWR.............50  60  70  80  60  50  40  10  10  10  10  0
Temp............63  63  63  62  60  57  53  49  47  46  45  43
RH..............84  84  78  76  75  73  73  76  76  76  76  78
20 FT wind dir..S   SW  SW  W   W   NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..15  16  17  18  20  20  20  20  18  16  15  14
20 FT wind gust.20  21  23  24  25  26  26  25  24  22  21  19
Mix hgt (kft)...2.0 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.4 0.4
Transp wind dir.S   SW  SW  W   W   W   NW  NW  NW  NW  NW  NW
Transp wind spd.23  17  18  20  21  22  22  21  20  18  16  15
LVORI...........4   4   4   4   3   3   3   3   4   4   4   4
ADI.............31  13  15  16  17  17  17  17  16  14  13  11
VRate kt-ft/100040  8   9   11  11  12  11  11  9   7   6   5

.SUNDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Max temperature.....Around 47.
Min humidity........46 percent.
Wind (20 ft)........Northwest winds 12 to 14 mph with gusts to
                    around 18 mph.
Mixing height.......400-2300 ft AGL, increasing to 2900-3300 ft AGL
                    in the afternoon.
Transport winds.....Northwest 14 to 16 mph.
Smoke dispersal.....Poor to good (5200-46400 knot-ft).
LVORI...............3.
ADI.................11, increasing to 40 late in the morning, then
                    increasing to 49 in the afternoon, decreasing
                    to 39 late.
Pcpn amount.........0.00 inches.

TIME (EST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........31  25  22  15  12  12  12  11  8   4   2   2
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............41  40  40  42  43  44  46  46  47  47  47  45
RH..............80  82  79  73  67  62  57  53  50  47  46  48
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..14  13  13  13  13  13  13  12  12  12  12  12
20 FT wind gust.18  18  18  18  18  18  17  17  17  17  17  16
Mix hgt (kft)...0.4 0.6 0.6 0.6 2.3 2.3 2.3 3.3 3.3 3.3 2.9 2.9
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.15  14  14  15  15  16  16  16  16  16  15  14
LVORI...........4   4   4   3   3   1   1   1   1   1   1   1
ADI.............10  10  10  11  38  40  42  53  53  51  44  39
VRate kt-ft/10005   8   14  23  31  38  43  46  46  44  38  26

$$
Forecaster...NListemaa
Requested by...Jeffrey Schardt
Type of request...PRESCRIBED
.TAG 1718931.2/FFC



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