Suppression Forecast
Issued by NWS Riverton, WY

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093
FNUS75 KRIW 200942
FWSRIW

Spot Forecast for Pole Creek Fire...USFS BTF
National Weather Service Riverton WY
342 AM MDT Wed Sep 20 2017

Forecast is based on request time of 0500 MDT on September 20.
If conditions become unrepresentative...contact the National Weather
Service.

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM THURSDAY TO NOON
MDT FRIDAY FOR FIRE WEATHER ZONE 414...

.DISCUSSION...

A windy, but dry day is expected today. However a return of
inclement weather returns to the fire site Thursday and Friday.
The bulk of the precipitation tonight is expected to remain north
of the fire site but is expected to push south across the fire
site Thursday and Thursday night.

...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...

FORECASTER...Murrell

.TODAY...

Sky/weather.........Mostly sunny (20-30 percent) then becoming
                    partly cloudy (45-55 percent).
Max temperature.....50.
Min humidity........40-45 percent.
20-foot winds.......Southwest 10-15 mph increasing to 15-20 mph
                    with gusts to around 30 mph in the afternoon.
Ridge top winds.....West southwest 15-20 mph increasing to 25-30
                    mph from the southwest in the afternoon.
                    Gusts to 40 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......6500 ft AGL.
Transport winds.....Southwest 15-25 mph increasing to around 30 mph
                    in the afternoon.
Smoke dispersal.....Excellent in the afternoon.

.TONIGHT...

Sky/weather.........Partly cloudy (45-55 percent) then becoming
                    mostly cloudy (75-85 percent). Isolated rain
                    showers in the evening, then scattered rain
                    showers after midnight.
Min temperature.....35.
Max humidity........85 percent.
20-foot winds.......West 10-15 mph becoming downslope/downvalley
                    4-7 mph by 9 PM.
Ridge top winds.....West around 25 mph becoming northwest 10-15
                    mph by 9 pm.
LAL.................1.
Chc of wetting rain.20 percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......Decreasing to 1400 ft AGL.
Transport winds.....West around 25 mph becoming northwest 10-15
                    mph by 9 pm.
Smoke dispersal.....Poor.

.THURSDAY...

Sky/weather.........Cloudy (85-95 percent) with rain likely possibly
                    mixing with snow at times.
Max temperature.....40-45.
Min humidity........65-70 percent.
20-foot winds.......South 5-10 mph becoming southwest 10-15 mph
                    in the afternoon.
Ridge top winds.....South to Southwest 15-20 mph.
LAL.................1.
Chc of wetting rain.50 percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3500 ft AGL.
Transport winds.....Southwest 15-20 mph.
Smoke dispersal.....Fair.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...
Mostly cloudy with chance of rain and snow showers. Lows in the
upper 20s. Winds generally less than 10 mph.

.FRIDAY...
Mostly cloudy with slight chance of snow showers.
Highs in the upper 30s. Winds generally less than 10 mph.

.SATURDAY...
Partly cloudy. Slight chance of rain and snow. Lows around 20.
Highs in the lower 40s. Winds generally less than 10 mph.

.SUNDAY...
Partly cloudy with slight chance of rain and snow. Lows in the
upper 20s. Highs in the lower 40s. Winds generally less than
10 mph.

$$
Forecaster...Murrell
Requested by...Scott Brownlow
Type of request...WILDFIRE
.TAG 1715071.22/RIW
.EMAIL Polecreek2017@gmail.com



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