Suppression Forecast
Issued by NWS Huntsville, AL

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FNUS74 KHUN 241246
FWSHUN

Spot Forecast for Piney Grove...USFS
National Weather Service Huntsville AL
646 AM CST Sat Feb 24 2018

Forecast is based on ignition time of 0700 CST on February 24.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Scattered showers are expected periodically through this morning
then thunderstorms this afternoon. Transport winds will be from
the south 10-20 mph, wind gusts up to 20 mph at the surface.
However thunderstorm wind gusts would be higher. A line of severe
storms will move across the area late tonight into early Sunday
morning, with damaging winds possible. About 1.25 inches of
rainfall is expected through Sunday.

Rain chances linger into Sunday. Winds become northwesterly and
light behind the front, and with lower mixing heights dispersions
will not be favorable.

Dry conditions are expected for this location starting on Monday
continuing through the day on Tuesday. The next chance of rain
returns Tuesday night.


.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). A chance of
                    showers. A chance of thunderstorms in the
                    afternoon, then showers and thunderstorms
                    likely early.
Max temperature.....Around 77.
Min humidity........62 percent.
Wind (20 ft)........South winds 7 to 9 mph. Gusts up to 20 mph
                    early in the afternoon. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
CWR.................40 percent, increasing to 60 percent.
Chance of pcpn......60 percent.
LAL.................1 until 1200, then 3 until 1700, then 4.
Mixing height.......900-2400 ft AGL, increasing to 3100-3600 ft AGL
                    early in the afternoon.
Transport winds.....South 13 to 20 mph, increasing to 23 to 26 mph
                    early.
LVORI...............4.

TIME (CST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........MC  MC  MC  MC  MC  MC  MC  MC  MC  MC  MC
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
TEMP............63  64  65  68  71  74  76  77  77  77  76
RH..............100 100 100 90  81  71  66  64  62  62  64
20 FT WIND DIR..190 190 190 190 190 190 190 180 180 180 170
20 FT WIND SPD..7   7   7   8   8   8   8   9   9   8   8
20 FT WIND GUST.10  10  10  12  12  12  14  16  16  14  14
MIX HGT (KFT)...0.9 0.9 1.0 1.2 1.4 1.8 2.4 3.1 3.5 3.6 3.5
TRANSP WIND DIR.190 190 190 190 200 200 200 200 200 200 200
TRANSP WIND SPD.13  13  13  14  16  17  17  18  20  23  26
DISPERSION IDX..11  11  11  12  26  32  37  45  51  61  69
LVORI...........7   7   4   4   4   3   3   3   1   1   1
CWR.............40  40  40  40  40  40  50  50  50  50  60
CHC OF PCPN (%).40  40  40  40  40  40  50  50  50  50  60
LAL.............1   1   1   1   1   3   3   3   3   3   4

.TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Showers and
                    thunderstorms.
Min temperature.....Around 55.
Max humidity........93 percent.
Wind (20 ft)........Southwest winds 7 to 12 mph with gusts to
                    around 18 mph. Gusty and erratic winds expected
                    near thunderstorms.
CWR.................60 percent, increasing to 90 percent.
Chance of pcpn......90 percent.
LAL.................4 until 2400, then 5.
Mixing height.......1400-3200 ft AGL.
Transport winds.....South 23 to 29 mph, becoming southwest around
                    18 mph late.
LVORI...............4.

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........MC  MC  MC  MC  MC  MC  MC  MC  MC  MC  CDY CDY
WEATHER COV.....LKY LKY LKY LKY LKY LKY DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
TEMP............74  73  73  72  72  71  71  70  68  66  62  59
RH..............69  71  71  73  73  76  76  78  84  87  93  93
20 FT WIND DIR..170 180 180 180 180 190 190 200 200 210 230 260
20 FT WIND SPD..8   8   9   10  10  10  10  12  12  10  8   7
20 FT WIND GUST.13  14  16  18  18  18  18  18  18  18  13  11
MIX HGT (KFT)...3.2 2.9 2.6 2.2 1.9 1.7 1.5 1.5 1.5 1.5 1.5 1.4
TRANSP WIND DIR.200 200 190 190 190 190 190 190 190 190 210 240
TRANSP WIND SPD.29  28  25  23  23  24  25  26  28  28  24  18
DISPERSION IDX..72  65  56  47  43  42  28  30  31  31  27  21
LVORI...........3   3   3   3   3   3   3   3   3   4   4   4
CWR.............60  60  60  70  70  70  90  90  90  90  90  90
CHC OF PCPN (%).60  60  60  70  70  70  90  90  90  90  90  90
LAL.............4   4   4   4   4   4   5   5   5   5   5   5

.SUNDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Showers likely
                    and a slight chance of thunderstorms in the
                    morning, then a chance of showers in the
                    afternoon.
Max temperature.....Around 65.
Min humidity........52 percent.
Wind (20 ft)........Northwest winds 5 to 6 mph early in the
                    morning, becoming light. Gusty and erratic
                    winds expected near thunderstorms in the
                    morning.
CWR.................60 percent, decreasing to 30 percent.
Chance of pcpn......60 percent.
LAL.................1.
Mixing height.......1300-1800 ft AGL.
Transport winds.....North 5 to 14 mph, becoming northwest 1 to 3
                    mph in the afternoon.
LVORI...............5.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........CDY MC  MC  MC  MC  MC  MC  MC  MC  MC  MC  MC
WEATHER COV.....LKY LKY LKY LKY LKY LKY CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
TEMP............57  56  55  56  57  58  60  63  65  65  64  62
RH..............93  93  93  86  80  72  64  56  52  52  56  60
20 FT WIND DIR..300 310 330 340 350 350 330 300 290 270 230 140
20 FT WIND SPD..6   6   5   3   2   2   2   2   2   2   1   1
20 FT WIND GUST.8   8
MIX HGT (KFT)...1.3 1.3 1.4 1.5 1.6 1.7 1.8 1.8 1.8 1.7 1.7 1.6
TRANSP WIND DIR.250 270 310 330 330 340 340 340 000 000 330 280
TRANSP WIND SPD.14  13  12  12  9   7   5   3   2   1   1   1
DISPERSION IDX..9   8   8   5   4   15  11  8   5   3   2   2
LVORI...........6   6   6   4   4   4   3   3   3   3   3   3
CWR.............60  60  60  60  60  60  30  30  30  30  30  30
CHC OF PCPN (%).60  60  60  60  60  60  30  30  30  30  30  30
LAL.............1   1   1   1   1   1   1   1   1   1   1   1

$$
Forecaster...Saari
Requested by...Craig Moore
Type of request...PRESCRIBED
.TAG 1802457.0/HUN
.EMAIL kerryclark@fs.fed.us,Gcmoore@fs.fed.us



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