Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 161008
FWSRIW

Spot Forecast for Suspender WY...U.S Forest Service
National Weather Service Riverton WY
308 AM MST Fri Feb 16 2018

Forecast is based on ignition time of 0600 MST on February 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...West northwest flow aloft will be over the burn area
with a weak upper level low pressure trough moving in from the
west in the afternoon, bringing increased cloud cover and an
increase in wind.

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

FORECASTER...C.Baker

.FRIDAY...

Sky/weather.........Mostly sunny (10-20 percent) then becoming
                    partly cloudy (40-50 percent) by 15:00.
Max temperature.....29-32.
Min humidity........30-33 percent.
20-foot winds.......West winds 10 to 16 mph. Gusts up to 25 mph
                    increasing to 30 mph in the afternoon.
Ridge top winds.....West 15 to 20 mph increasing to around 25 mph
                    late 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.......1300 ft AGL until 1200, then 3600 ft AGL.
Transport winds.....West 19 to 25 mph.
Smoke dispersal.....Fair increasing to good in the afternoon.

.FRIDAY NIGHT...

Sky/weather.........Partly cloudy (45-55 percent).
Min temperature.....11-14.
Max humidity........71-74 percent.
20-foot winds.......West winds 16 to 18 mph with gusts to around 30
                    mph.
Ridge top winds.....West around 25 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.......500-800 ft AGL.
Transport winds.....West 12 to 14 mph.
Smoke dispersal.....Poor.

.SATURDAY...

Sky/weather.........Partly cloudy (35-45 percent).
Max temperature.....Around 40.
Min humidity........31-34 percent.
20-foot winds.......West winds 12 to 17 mph. Gusts up to 30 mph
                    decreasing to 20 mph in the afternoon.
Ridge top winds.....West 20 to 25 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.......1800-2800 ft AGL.
Transport winds.....West 21 to 25 mph.
Smoke dispersal.....Good.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...
Not as cold. Partly cloudy. Lows in the mid 20s. Southwest winds
around 13 mph.
.SUNDAY...
Snow likely. Lows in the mid 20s. Highs in the upper 30s.
Southwest winds around 12 mph.
.WASHINGTONS BIRTHDAY...
Colder. Mostly cloudy with snow likely. Lows around 11. Highs
around 19. Winds generally less than 10 mph.
.TUESDAY...
Partly cloudy with slight chance of snow. Lows around 3 below.
Highs around 18. Winds generally less than 10 mph.

$$
Forecaster...C.Baker
Requested by...Mt. View
Type of request...PRESCRIBED
.TAG 1802045.0/RIW
.EMAIL maggiedalene@fs.fed.us



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