Suppression Forecast
Issued by NWS Riverton, WY

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500
FNUS75 KRIW 160931
FWSRIW

Spot Forecast for Pole Creek Fire...USFS BTF
National Weather Service Riverton WY
331 AM MDT Sat Sep 16 2017

Forecast is based on request time of 0500 MDT on September 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Isolated snow showers will remain possible this morning. However
decreasing cloudiness is expected this afternoon with unseasonably
cool temperatures with a breeze from the west or northwest. A
hard freeze is expected in the valleys tonight. Warmer and drier
conditions will occur Sunday.

Windy to very windy conditions are expected Monday and Tuesday
with a cold front pushing across the fire site late Monday night
into Tuesday morning. There will be a good shot for precipitation
with this front Monday night into Tuesday.

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

FORECASTER...Murrell

.TODAY...

Sky/weather.........Partly cloudy (50-65 percent) with isolated
                    snow showers this morning, becoming mostly
                    sunny (25-35 percent) in the afternoon.
Max temperature.....Around 50.
Min humidity........30-35 percent.
20-foot winds.......Light and Variable 3-6 mph, becoming west
                    5-10 mph with gusts to 15 mph by around
                    Noon.
Ridge top winds.....West around 5 mph increasing to around
                    15 mph by noon. Gusts to 25 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......5500 ft AGL.
Transport winds.....West 15-20 mph.
Smoke dispersal.....Increasing to Good by early afternoon.

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....20-25 valley, 30-35 mid-slope/ridge top.
Max humidity........90 percent valley, 50-60 percent
                    mid-slope/ridge top.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 5-10 mph becoming variable
                    after midnight.
LAL.................1.
Chc of wetting rain.Zero percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......Decreasing to 700 ft AGL.
Transport winds.....Northwest 5-10 mph becoming variable
                    after midnight.
Smoke dispersal.....Poor.

.SUNDAY...

Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....Around 60.
Min humidity........20-25 percent.
20-foot winds.......West 5-10 mph increasing to around 15 mph
                    with gusts to around 25 mph in the afternoon.
Ridge top winds.....West southwest 15-20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...
Partly cloudy. Lows in the upper 30s. Winds generally less than
10 mph.

.MONDAY...
Partly cloudy and windy. Chance of showers and isolated
thunderstorms. Highs in the lower 60s. West to southwest winds
15-25 mph with gusts to 40 mph.

.TUESDAY...
Colder. Mostly cloudy with chance of rain and snow showers. An
isolated thunderstorm possible. Lows in the upper 30s. Highs in
the lower 40s. West 20-30 mph. Gusts to 45 mph.

.WEDNESDAY...
Mostly cloudy. Chance of rain and snow showers. Lows in the upper
20s. Highs in the upper 40s. West to southwest winds around 15
mph. Gusts to 35 mph.

$$
Forecaster...Murrell
Requested by...Scott Brownlow
Type of request...WILDFIRE
.TAG 1715071.18/RIW
.EMAIL Polecreek2017@gmail.com



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