Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 181202
FWSRIW

Spot Forecast for Pole Creek Rx...USFS
National Weather Service Riverton WY
602 AM MDT Sun Jun 18 2017

Forecast is based on ignition time of 1200 MDT on June 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

High pressure will begin to build into the area today and into Monday.
Winds will be mainly terrain driven until around noon when a northwest
wind will develop. There could be some wind gusts past 20 mph at times
but wind will be less than on Saturday. Dry conditions are expected
from now through Tuesday morning. Mixing and smoke dispersal will
become very good this afternoon.

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

FORECASTER...Hattings

.TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....65-70.
Min humidity........25-30 percent.
20-foot winds.......Upslope/upvalley 5-10 mph becoming northwest 10
                    to 15 mph with gusts to around 25 mph in the
                    afternoon.
Ridge top winds.....Northwest 10 to 15 mph increasing to around 20
                    mph in the afternoon.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2700 ft AGL until 1200, then 5600 ft AGL.
Transport winds.....Northwest 13 to 21 mph increasing to around 23
                    mph late in the afternoon.
Smoke dispersal.....Good increasing to very good in the afternoon.

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Min temperature.....42-45.
Max humidity........74-77 percent.
20-foot winds.......Northwest winds 8 to 15 mph with gusts to
                    around 25 mph in the evening becoming
                    downslope/downvalley 4-7 mph.
Ridge top winds.....North 15 to 20 mph decreasing to around 10 mph
                    early in the morning.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3100 ft AGL until 2400, then 500 FT AGL.
Transport winds.....North 15 to 22 mph.
Smoke dispersal.....Poor to good.

.MONDAY...

Sky/weather.........Mostly sunny (10-20 percent).
Max temperature.....73-76.
Min humidity........26-29 percent.
20-foot winds.......Upslope/upvalley 5-9 mph becoming west 10 to 14
                    mph with gusts to around 25 mph in the late
                    morning and afternoon.
Ridge top winds.....Northwest 15 to 20 mph.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1600 ft AGL until 1200, then 5900 ft AGL.
Transport winds.....Northwest 16 to 24 mph.
Smoke dispersal.....Fair increasing to excellent in the afternoon.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...
Mostly clear. Lows in the upper 40s. Northwest winds around
10 mph.
.TUESDAY...
Mostly clear. Lows in the upper 40s. Highs in the upper 70s.
Winds generally less than 10 mph.
.WEDNESDAY...
Partly cloudy. Lows in the lower 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.THURSDAY...
Clear. Lows in the upper 40s. Highs in the lower 70s. Winds
generally less than 10 mph.

$$
Forecaster...Hattings
Requested by...Cody McFarland
Type of request...PRESCRIBED
.TAG 1711216.0/RIW
.EMAIL cmcfarland@fs.fed.us



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