Suppression Forecast
Issued by NWS Cheyenne, WY

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FNUS75 KCYS 250009
FWSCYS

Spot Forecast for Keystone...USFS
National Weather Service Cheyenne WY
609 PM MDT Mon Jul 24 2017

Forecast is based on request time of 2200 MDT on July 24.
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...The ridge of high pressure which has maintained the
mostly dry and warm conditions the past few days will shift to
the east Tuesday and Wednesday. Abundant subtropical moisture and
a couple of fronts will increase the coverage of showers and
thunderstorms during this time. Locally heavy rainfall will be
possible, along with gusty and erratic winds.

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Isolated showers and thunderstorms
                    in the evening.
CWR.................8 percent.
LAL.................2.
Min temperature.....Around 48.
Max humidity........83 percent.
WIND (20 FT)........Southwest winds 6 to 8 mph. Gusty and erratic
                    winds expected near thunderstorms
                    in the evening.
Mixing height.......6500 ft AGL decreasing to 1100 ft AGL after
                    midnight.
Transport winds.....South around 8 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.TUESDAY...

Sky/weather.........Mostly cloudy. Scattered showers and
                    thunderstorms.
CWR.................31 percent.
LAL.................3.
Max temperature.....Around 70.
Min humidity........42 percent.
WIND (20 FT)........West winds 8 to 9 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......1700 ft AGL increasing to 5200 ft AGL in the
                    afternoon.
Transport winds.....Southwest 8 to 10 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TUESDAY NIGHT...

Sky/weather.........Cloudy. Scattered showers and thunderstorms.
CWR.................26 percent.
LAL.................3.
Min temperature.....Around 44.
Max humidity........100 percent.
WIND (20 FT)........West winds 5 to 8 mph in the evening becoming
                    light. Gusty and erratic winds expected
                    near thunderstorms.
Mixing height.......1400 ft AGL.
Transport winds.....Light and variable winds.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Jamski
Requested by...Daron Reynolds
Type of request...WILDFIRE
.TAG 1712969.8/CYS
.EMAIL keystonefire2017@gmail.com



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