Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 221543
FWSRIW

Spot Forecast for Tin Cup Piles...BLM
National Weather Service Riverton WY
843 AM MST Thu Feb 22 2018

Forecast is based on ignition time of 0800 MST on February 22.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Partly cloudy with southwest winds 5 to 10 mph this morning, becoming
light and variable by afternoon. Slightly warmer today with highs in
the mid to upper teens.

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

FORECASTER...Troutman

.REST OF TODAY...

Sky/weather.........Partly cloudy (40-50 percent). Isolated snow
                    showers late in the afternoon.
Max temperature.....16-19.
Min humidity........56-59 percent.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Southwest 5 to 10 mph early in the morning
                    becoming light and variable.
LAL.................No Tstms.
Chc of wetting rain.Less than 5 percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2100-3100 ft AGL.
Transport winds.....Southwest 7 to 10 mph.
Smoke dispersal.....Fair.

.TONIGHT...

Sky/weather.........Partly cloudy (50-60 percent) then becoming
                    mostly cloudy (65-75 percent). Isolated snow
                    showers early in the evening, then scattered
                    snow showers in the late evening and overnight.
Min temperature.....Around zero.
Max humidity........91-94 percent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....East 5 to 10 mph.
LAL.................No Tstms.
Chc of wetting rain.15 percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......800-1800 ft AGL.
Transport winds.....East 6 to 8 mph.
Smoke dispersal.....Poor.

.FRIDAY...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    partly cloudy (50-60 percent). Chance of snow
                    showers through the day.
Max temperature.....Around 20.
Min humidity........64-67 percent.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Light and variable winds becoming northwest
                    around 5 mph in the afternoon.
LAL.................No Tstms.
Chc of wetting rain.19 percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......500-1500 ft AGL.
Transport winds.....East around 5 mph shifting to the northwest 5
                    to 6 mph in the late morning and afternoon.
Smoke dispersal.....Poor.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...
Mostly clear. Lows around 2 below. Winds generally less than
10 mph.
.SATURDAY...
Partly cloudy. Patchy blowing snow. Lows around 2 below. Highs in
the lower 20s. Southwest winds around 15 mph.
.SUNDAY...
Partly cloudy. Lows around 4. Highs in the mid 20s. Southwest
winds around 17 mph.
.MONDAY...
Partly cloudy. Slight chance of snow. Lows around 7. Highs around
30. Southwest winds around 17 mph.

$$
Forecaster...Troutman
Requested by...Heath Morgan
Type of request...PRESCRIBED
.TAG 1802366.0/RIW
.EMAIL hmorgan@blm.gov



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