Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 180907
FWSRIW

Spot Forecast for Pole Creek Fire...USFS
National Weather Service Riverton WY
307 AM MDT Mon Sep 18 2017

Forecast is based on request time of 0500 MDT on September 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Dry and windy weather at the fire today and tonight.
A cold front will move through the fire area toward sunrise Tuesday
morning. This will usher in colder air and windy conditions, with
rain and snow showers likely Tuesday. An isolated afternoon
thunderstorm on Tuesday afternoon is possible. Conditions dry up
Tuesday evening with the wind decreasing after sunset Tuesday
evening. Wednesday looks dry with breezy to windy conditions.

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

FORECASTER...AR

.Today...

Sky/weather.........Mostly sunny in the morning. Becoming
                    partly cloudy during the afternoon.
Max temperature.....61-64.
Min humidity........25 percent.

20-foot winds.......Upslope/upvalley at 5 to 9 mph until 1100.
                    Southwest to west at 10 to 15 mph after 1100
                    with gusts 25-30 mph.

Ridge top winds.....Southwest at 8 to 13 mph until 1100.
                    Southwest to west at 17 to 22 mph with gusts
                    35 to 45 mph after 1100.

LAL.................1.
Chc of wetting rain.Zero percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......Increasing to 7000-8000 ft AGL in the afternoon.
Transport winds.....Southwest at 10 to 15 mph until 1100.
                    Southwest at 20 to 25 mph after 1100.
Smoke dispersal.....Increasing to good by 1100, becoming very good
                    to excellent after 1100.

.Tonight...

Sky/weather.........Becoming Cloudy by midnight. Scattered rain
                    showers after midnight, increasing in coverage
                    toward 600 AM.
Min temperature.....34-38.
Max humidity........84-88 percent.

20-foot winds.......West wind at 10 to 15 mph.

Ridge top winds.....West wind at 15 to 20 mph with gusts 25 to 30 mph.

LAL.................1.
Chc of wetting rain.10 percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

Mixing height.......Decreasing to 2000-3000 ft AGL after midnight.
Transport winds.....West around 20 mph.
Smoke dispersal.....Decreasing to good by midnight, then fair to
                    good after midnight.

.TUESDAY...

Sky/weather.........Cloudy. Numerous rain or snow showers.
                    Isolated thunderstorms in the afternoon.
Max temperature.....39-42.
Min humidity........56-60 percent.

20-foot winds.......West wind at 10 to 15 mph with gusts around
                    20 mph.

Ridge top winds.....West wind at 20 to 25 mph with gusts around 30 mph.

LAL.................1 until 1200, then LAL 2.
Chc of wetting rain.100 percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......Increasing to 4000-5000 ft AGL in the afternoon.
Transport winds.....West 25 to 30 mph.
Smoke dispersal.....Good to very good.

.FORECAST DAYS 3 THROUGH 5...

.TUESDAY NIGHT...
Partly cloudy. Isolated showers and snow showers in the evening.
Lows in the upper 20s. West winds 10 to 20 mph, decreasing by
midnight to 5 to 10 mph.

.WEDNESDAY...
Partly cloudy in the morning. Increasing clouds in the afternoon.
Chance of rain or snow showers Wednesday night. Highs in the
upper 40s to lower 50s. West winds 10 to 20 mph with higher gusts.

.THURSDAY...
Colder. Cloudy with chance of showers and snow showers. Lows
around 30. Highs around 40. West to southwest wind 10 to 20 mph.

.FRIDAY...
Mostly cloudy. Chance of snow showers and slight chance of
showers. Lows in the mid 20s. Highs in the lower 40s. Southwest
wind 10 to 20 mph.

$$
Forecaster...Ross
Requested by...Scott Brownlow
Type of request...WILDFIRE
.TAG 1715071.20/RIW
.EMAIL Polecreek2017@gmail.com



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