Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 190952
FWSRIW

Spot Forecast for Pole Creek Rx...USFS BTF
National Weather Service Riverton WY
352 AM MDT Mon Jun 19 2017

Forecast is based on ignition time of 0700 MDT on June 19.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

A ridge of high pressure building into the area will result in
warmer temperatures, lower RH, and lighter winds today. On
Tuesday, the ridge of high pressure will weaken a bit with
westerly winds picking back up with the possibility of isolated
afternoon and evening thunderstorms. Windy to very windy westerly
winds are expected Wednesday and Thursday with a dry cold front in
the Wednesday night and Thursday time frame.

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

FORECASTER...Murrell

.TODAY...

Sky/weather.........Mostly sunny (10-20 percent).
Max temperature.....69-73.
Min humidity........25 percent.
20-foot winds.......Northwest 5-10 mph becoming west northwest
                    10-15 mph by around noon. Gusts 20 to
                    25 mph in the afternoon.
Ridge top winds.....West northwest 10-15 mph.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......7000 ft AGL.
Transport winds.....West northwest around 15 mph.
Smoke dispersal.....Very good in the afternoon.

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....50-55.
Max humidity........65 percent.
20-foot winds.......Northwest 5-10 mph in the evening
                    becoming downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest around 10 mph.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......1200 ft AGL FT.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Decreasing to poor by 9 PM.

.TUESDAY...

Sky/weather.........Mostly sunny (15-25 percent) then becoming
                    partly cloudy (45-55 percent) with an isolated
                    thunderstorm possible in the afternoon.
Max temperature.....Around 75.
Min humidity........25 percent.
20-foot winds.......Upslope/Upvalley 5-10 mph...becoming
                    West 15-20 mph by around Noon. Gusts to around
                    35 mph in the afternoon. Gustier and erratic
                    winds near thunderstorms.
Ridge top winds.....West around 20 mph with gusts around 40 mph.
LAL.................No Tstms through noon...then 2.
Chc of wetting rain.Near Zero percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......8500 ft AGL in the afternoon.
Transport winds.....West 20 to 30 mph.
Smoke dispersal.....Excellent in the afternoon.

.FORECAST DAYS 3 THROUGH 5...

.TUESDAY NIGHT...
Partly cloudy with isolated thunderstorms possible in the
evening. Lows in the lower 50s. West to northwest around 10 mph,
except near thunderstorms.

.WEDNESDAY...
Mostly clear and windy. Lows in the lower 50s. Highs in the upper
70s. West 20-30 mph. Gusts to around 45 mph.

.THURSDAY...
Mostly clear and windy. Lows in the mid 40s. Highs in the upper
60s. West to northwest 20-30 mph. Gusts to around 45 mph.

.FRIDAY...
Mostly clear. Lows in the lower 40s. Highs in the mid 60s. West to
northwest 15-25 mph.

$$
Forecaster...Murrell
Requested by...Cody McFarland
Type of request...PRESCRIBED
.TAG 1711257.0/RIW
.EMAIL cmcfarland@fs.fed.us



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