Suppression Forecast
Issued by NWS Cheyenne, WY

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FNUS75 KCYS 231502
FWSCYS

Spot Forecast for VanPelt Rx...NE Game and Parks
National Weather Service Cheyenne WY
902 AM MDT Sun Apr 23 2017

Forecast is based on ignition time of 0900 MDT on April 23.
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...

A weather system approaching the region today will bring breezy
southerly winds to the fire site with a direction varying between
the south and southwest. Gusts by 1300 LT will be approaching 30
mph. Dry conditions are expected with afternoon humidity values
dropping to the low twenties in a well mixed environment. A mid
and high deck of clouds will persist through the day as well. The
weather system will move overhead tonight, dragging a cold front
east across the site between midnight and 0200 LT. May see a light
rain shower with the front. Winds will shift to the west behind
the front, and will remain gusty.

.TODAY...

Sky/weather.........Partly cloudy.
Max temperature.....Around 71.
Min humidity........22 percent.
WIND (20 FT)........South-southwest winds 15 to 17 mph with gusts
                    to 28 mph.
Mixing height.......5100-6900 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....Excellent to excellent (65200-110600 knot-ft).
Haines Index........4 or low potential for large plume dominated
        fire growth.

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Slight chance of rain showers after midnight.
Min temperature.....Around 42.
Max humidity........73 percent.
WIND (20 FT)........South winds 13 to 16 mph shifting to the west
                    15 to 19 mph after midnight. Gusts up to 25
                    mph.
Mixing height.......2800 ft AGL decreasing to 100 ft AGL after
                    midnight.
Transport winds.....Southwest around 18 mph, becoming west after
                    midnight.
Smoke dispersal.....Poor to good (1800-46500 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Mazur
Requested by...Aaron Nab
Type of request...PRESCRIBED
.TAG 1707577.0/CYS
.EMAIL wildlanddesigns@live.com



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