Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 111139
FWSRIW

Spot Forecast for Gilbert Meadows RX...USFS
National Weather Service Riverton WY
439 AM MST Thu Jan 11 2018

Forecast is based on ignition time of 0600 MST on January 11.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
An approaching storm system will bring windy conditions across the
area through Friday with an increasing chance of snow tonight into
early Friday.

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

FORECASTER...Skrbac

.TODAY...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (60-70 percent). Chance of snow
                    late in the afternoon.
Max temperature.....31-34.
Min humidity........47-50 percent.
20-foot winds.......West winds 14 to 17 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.......2300-2800 ft AGL.
Transport winds.....West 25 to 30 mph.
Smoke dispersal.....Good.

.TONIGHT...

Sky/weather.........Partly cloudy (55-65 percent) then becoming
                    mostly cloudy (75-85 percent). Chance of snow
                    in the evening, then snow likely after
                    midnight.
Min temperature.....19-22.
Max humidity........85-88 percent.
20-foot winds.......West winds 17 to 23 mph. Gusts up to 35 mph
                    increasing to 45 mph in the late evening and
                    overnight.
Ridge top winds.....Southwest 25 to 30 mph shifting to the west 30
                    to 35 mph after midnight.
LAL.................No Tstms.
Chc of wetting rain.20 percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West 30 to 39 mph.
Smoke dispersal.....Good.

.FRIDAY...

Sky/weather.........Mostly cloudy (60-70 percent) then becoming
                    partly cloudy (40-50 percent). Snow likely in
                    the morning, then slight chance of snow in the
                    afternoon.
Max temperature.....32-35.
Min humidity........55-58 percent.
20-foot winds.......West winds 10 to 17 mph. Gusts up to 30 mph
                    decreasing to 20 mph late in the afternoon.
Ridge top winds.....West 20 to 25 mph.
LAL.................No Tstms.
Chc of wetting rain.9 percent.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2500-3000 ft AGL.
Transport winds.....West 33 to 36 mph decreasing to 21 to 25 mph in
                    the afternoon.
Smoke dispersal.....Good.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...
Mostly clear. Lows around 14. Winds generally less than 10 mph.
.SATURDAY...
Mostly clear. Lows around 14. Highs in the upper 30s. Winds
generally less than 10 mph.
.SUNDAY...
Mostly clear. Lows around 18. Highs in the lower 40s. Winds
generally less than 10 mph.
.MARTIN LUTHER KING JR DAY...
Mostly clear. Lows around 20. Highs in the lower 40s. Winds
generally less than 10 mph.

$$
Forecaster...Skrbac
Requested by...Nate Siemers
Type of request...PRESCRIBED
.TAG 1800281.0/RIW
.EMAIL nsiemers@fs.fed.us



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