Suppression Forecast
Issued by NWS Cheyenne, WY

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FNUS75 KCYS 260518
FWSCYS

Spot Forecast for Divide Peak 2 Prescribed Fire...USFS
National Weather Service Cheyenne WY
1118 PM MDT Sun Jun 25 2017

Forecast is based on ignition time of 2200 MDT on June 26.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (307) 772-2227, if you have questions
or concerns with this forecast.

.DISCUSSION...It will clear and cool tonight with a light south wind.
Min temps will dip into the upper 40s.  Monday will feature similar conditions
to today with precipitation chances near zero and light southwest to west winds
developing in the afternoon.  It will be moderately warm and dry with afternoon
RH values down into the mid teens.  A front will move across the region early Tuesday
making this a breezy to windy day.  Winds will likely gust above 30 mph in the
afternoon.  There is a slight chance for a shower or thunderstorm and gusty outflow
winds are possible with any storms that develop.


.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 47.
Max humidity........51 percent.
WIND (20 FT)........South winds 5 to 10 mph.
Mixing height.......1000 ft.
Transport winds.....Light and variable winds.
Smoke dispersal.....Poor to good (6700-41600 knot-ft).
Haines Index........4 or low potential for large plume
                    dominated fire growth.

.MONDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 76.
Min humidity........16 percent.
WIND (20 FT)........Southeast winds 5 to 6 mph shifting to the
                    west around 10 mph with gusts to 18 mph in the afternoon.
Mixing height.......3700 ft AGL increasing to 11500 ft AGL in the
                    afternoon.
Transport winds.....Light and variable winds.
Smoke dispersal.....Poor to good (6700-41600 knot-ft).
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.MONDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 55.
Max humidity........38 percent.
WIND (20 FT)........South winds 5 to 12 mph.
Mixing height.......4500 ft AGL decreasing to 1100 ft AGL after
                    midnight.
Transport winds.....Southwest around 11 mph.
Smoke dispersal.....Fair (15300-20400 knot-ft).
Haines Index........5 or moderate potential for large plume
dominated fire growth.

.TUESDAY...

Sky/weather.........Partly cloudy. Isolated showers and
                    thunderstorms in the afternoon.
CWR.................1 percent.
LAL.................2.
Max temperature.....Around 75.
Min humidity........21 percent.
WIND (20 FT)........Southwest winds 10 mph increasing to 20 mph
with gusts to 35 mph in the afternoon. Gusty and erratic winds
expected near thunderstorms in the afternoon.
Mixing height.......2700 ft AGL increasing to 14300 ft AGL in the
afternoon.
Transport winds.....Southwest around 28 mph. Smoke
dispersal.....Excellent (64100-344000 knot- ft).
Haines Index........5 or moderate potential for large plume
dominated fire growth.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...
Partly cloudy. Lows in the upper 40s. Highs in the lower 70s.
West winds around 14 mph.
.THURSDAY...
Partly cloudy with slight chance of showers. Lows in the upper
40s. Highs in the upper 60s. Winds generally less than 10 mph.
.FRIDAY...
Mostly clear. Lows in the mid 40s. Highs around 70. Winds
generally less than 10 mph.

$$
Forecaster...Levin
Requested by...Casey Cheesbrough
Type of request...PRESCRIBED
.TAG 1711614.0/CYS
.EMAIL ccheesbrough@fs.fed.us



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