Suppression Forecast
Issued by NWS Springfield, MO

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000
FNUS73 KSGF 201838 AAA
FWSSGF

Spot Forecast for Rock Pile Rx...UPDATED
National Weather Service Springfield MO
138 PM CDT Fri Apr 20 2018

Forecast is based on ignition time of 1300 CDT on April 20.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at 1-800-762-4363, if you have questions
or concerns with this forecast.

.DISCUSSION...
Updated spot forecast for relative humidity. RH values will likely
drop to 20 percent within the next hour or two.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CHANCE OF PCPN......0 percent.
TEMPERATURE.........61 at ignition...Max 63.
RH..................24 percent at ignition...Min 20 percent.
DEWPOINT............26.
WIND (20 FT)........Winds east at 6 mph at ignition...otherwise
                    East winds 8 to 9 mph.
MIXING HEIGHT.......3900 ft AGL at ignition...otherwise 2800-4200
                    ft AGL.
TRANSPORT WINDS.....East 13 to 17 mph.
SMOKE DISPERSAL.....Good /55100 knot-ft/ at ignition.
                    Max...excellent /63800 knot-ft/.
SMOKE DISPERSAL.....Good /55100 knot-ft/ at ignition.
                    Max...excellent /63800 knot-ft/.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........3   4   5   6   7   9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0   0   0   0   0   0
TEMP............61  62  63  63  62  61
DEWPOINT........24  23  23  25  26  28
RH..............24  20  20  24  26  28
20 FT WIND DIR..E   E   E   E   E   E
20 FT WIND SPD..5   6   6   6   6   6
20 FT WIND GUST.15  15  15  15  15  15
MIX HGT (KFT)...3.9 4.1 4.2 4.1 3.6 2.8
TRANSP WIND DIR.E   E   E   E   E   E
TRANSP WIND SPD.16  17  17  17  15  13
HAINES INDEX....4   4   4   4   4   4
VRATE KT-FT/100055  62  64  62  47  31

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (50-60 percent).
CHANCE OF PCPN......0 percent.
TEMPERATURE.........Min 45.
RH..................Max 65 percent.
DEWPOINT............30 increasing to 33 early in the morning.
WIND (20 FT)........East winds 5 to 8 mph becoming light.
MIXING HEIGHT.......300-2100 ft AGL decreasing to 100-300 ft AGL in
                    the late evening and overnight.
TRANSPORT WINDS.....East 6 to 10 mph.
SMOKE DISPERSAL.....Poor to fair (900-16400 knot-ft).
SMOKE DISPERSAL.....Poor to fair (900-16400 knot-ft).
Haines Index........3 to 4 or very low potential for large plume
                    dominated fire growth to or low potential for
                    large plume dominated fire growth.

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........19  26  24  20  33  41  48  54  58  56  55  59
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0   0   0   0   0   0   0   0   0   0   0   0
TEMP............60  56  53  51  50  49  48  48  46  46  45  45
DEWPOINT........28  29  30  30  31  31  32  32  33  33  34  34
RH..............29  35  41  44  48  50  54  54  60  60  65  65
20 FT WIND DIR..E   E   E   E   E   E   E   E   E   E   E   E
20 FT WIND SPD..6   5   5   5   5   5   5   5   4   4   3   3
20 FT WIND GUST.15  15  15  15  15  15  15  15  15  15  15  15
MIX HGT (KFT)...2.1 1.3 0.7 0.3 0.1 0.2 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.E   E   E   E   E   E   E   E   E   E   E   E
TRANSP WIND SPD.9   7   7   7   8   8   9   10  10  10  8   6
HAINES INDEX....4   4   4   4   4   4   4   4   4   4   4   3
VRATE KT-FT/100016  8   4   2   1   1   2   2   3   3   2   2

.SATURDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    rain showers late in the afternoon.
CHANCE OF PCPN......20 percent.
TEMPERATURE.........Max 64.
RH..................Min 48 percent.
DEWPOINT............36 increasing to 42 in the late morning and
                    afternoon.
WIND (20 FT)........Light winds becoming east 5 to 10 mph.
MIXING HEIGHT.......300-700 ft AGL increasing to 4000-5800 ft AGL.
TRANSPORT WINDS.....East 5 to 14 mph shifting to the southeast 16
                    to 22 mph in the late morning and afternoon,
                    then shifting to the east around 10 mph late in
                    the afternoon.
SMOKE DISPERSAL.....Poor to good (1500-43800 knot-ft) increasing to
                    excellent to excellent (78400-111400 knot-ft)
                    during mid and late afternoon, then decreasing
                    to good to good (37200-39400 knot-ft) late in
                    the afternoon.
SMOKE DISPERSAL.....Poor to good (1500-43800 knot-ft) increasing to
                    excellent to excellent (78400-111400 knot-ft)
                    during mid and late afternoon, then decreasing
                    to good to good (37200-39400 knot-ft) late in
                    the afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...BURCHFIELD
Requested by...Jess Register
Type of request...PRESCRIBED
.TAG 1807126.1/SGF
.EMAIL jregister@fs.fed.us



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