Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 221651
FWSRIW

Spot Forecast for Charlie Creek Fire...U.S. forest service
National Weather Service Riverton WY
1051 AM MDT Tue Aug 22 2017

Forecast is based on request time of 1100 MDT on August 22.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Temperatures warmer when compared to those on Monday.
No precipitation expected. Wednesday, temperatures cooler and humidity
higher when compared to those of today. Isolated to widely scattered
showers/storms after 1600...a few with locally heavy rain.

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

FORECASTER...Lipson

.TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....76-79.
Min humidity........14-17 percent.
20-foot winds.......Upslope/upvalley 5-9 mph becoming west southwest around
                    10 mph with higher gusts of 15 mph after 1200
                    this afternoon.
Ridge top winds.....North around 5 mph shifting to the west 10 to
                    15 mph in the late morning and afternoon.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......1000 ft AGL until 1200, then 8200 ft AGL.
Transport winds.....North around 9 mph shifting to the west 10 to
                    18 mph in the late morning and afternoon.
Smoke dispersal.....Poor increasing to excellent in the afternoon.

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
Min temperature.....44-47.
Max humidity........52-55 percent.
20-foot winds.......West southwest winds 8 to 9 mph with gusts to around 15
                    mph early in the evening. Downslope/downvalley 4-7 mph,
                    mainly from the north after 2100.
Ridge top winds.....Northwest 10 to 15 mph decreasing to around 5
                    mph after midnight.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......5300 ft AGL until 2400, then 500 FT AGL.
Transport winds.....Northwest 8 to 15 mph.
Smoke dispersal.....Good decreasing to poor after midnight.

.WEDNESDAY...

Sky/weather.........Mostly sunny then becoming partly cloudy.
                    Slight chance of showers and thunderstorms in
                    the afternoon after 2200. Some thunderstorms may produce
                    gusty winds in the afternoon. Chance of
                    precipitation 20 percent.
Max temperature.....69-74.
   24 hr trend......4 degrees cooler.
Min humidity........29-35 percent.
   24 hr trend......5 percent wetter.
20-foot winds.......West winds around 10 mph until 0900, then
                    upslope/upvalley 5-9 mph until 1500, then
                    northwest around 10 mph. Gusts up to 15 mph.
10K ft wind.........West around 10 mph until 1200, then northwest.
LAL.................1 until 1200, then 3.
Chc of wetting rain.Less than 5 percent.
Transport winds.....West around 15 mph until 1200, then northwest.
Mixing height.......1000 ft AGL until 1200, then 10000-11000 ft
                    AGL.
Smoke dispersal.....Poor until 1200, then very good.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...
Mostly cloudy. Slight chance of showers and thunderstorms in the
evening, then slight chance of showers and isolated thunderstorms
after midnight. Lows in the mid 40s. Winds generally less than
10 mph.
.THURSDAY...
Partly cloudy. Chance of showers and thunderstorms. Lows in the
mid 40s. Highs around 70. Winds generally less than 10 mph.
.FRIDAY...
Partly cloudy with slight chance of showers and isolated
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds
generally less than 10 mph.
.SATURDAY...
Mostly clear. Lows in the lower 40s. Highs in the lower 70s.
Winds generally less than 10 mph.

$$
Forecaster...Lipson
Requested by...Stuart Ensz
Type of request...WILDFIRE
.TAG 1714699.0/RIW
.EMAIL johnellington@fs.fed.us


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