Suppression Forecast
Issued by NWS Riverton, WY

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636
FNUS75 KRIW 140040
FWSRIW

Spot Forecast for Painter...IA RWC
National Weather Service Riverton WY
640 PM MDT Wed Sep 13 2017

Forecast is based on request time of 1900 MDT on September 13.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Windy westerly wind this evening will gradually weaken and turn
more to the southwest and possibly south late tonight. Isolated
showers will be possible tonight, but no thunderstorms are
expected at this time. Thursday will be again windy generally from
the southwest with widely scattered showers and some
thunderstorms. Temps will be cooler with higher RH than what
occurred today.

A good chance of a wetting rain will occur Thursday night and
Friday as a strong fall storm system pulls across the area. Winds
will remain breezy mainly from the west.


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

FORECASTER...Murrell

.TONIGHT...

Sky/weather.........Partly cloudy (40-60 percent). Isolated showers
                    possible through the night.
Min temperature.....Around 50.
Max humidity........60 percent.
20-foot winds.......West southwest around 15 mph with gusts to 30 mph
                    becoming southwest around 10 mph between 8 PM and
                    10 pm possibly becoming south after midnight.
Ridge top winds.....West southwest around 20 mph becoming southwest
                    10-15 mph between 8 PM and 10 PM.
LAL.................1.
Chc of wetting rain.less than 5 percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Decreasing to 800 FT AGL by around 8 PM.
Transport winds.....West southwest around 20 mph becoming southwest
                    10-15 mph between 8 PM and 10 PM.
Smoke dispersal.....Excellent decreasing to poor by 8 PM.

.THURSDAY...

Sky/weather.........Partly cloudy (40-60 percent) with widely
                    scattered showers and thunderstorms mainly
                    in the afternoon.
Max temperature.....Around 70.
Min humidity........30-35 percent.
20-foot winds.......South to southwest 5-10 mph winds becoming
                    southwest around 15 mph between 10 AM and noon.
                    Gusty and erratic winds expected near
                    thunderstorms in the afternoon.
Ridge top winds.....Southwest 10-15 mph increasing to around 20
                    in the afternoon.
LAL.................1 until Noon, then 3.
Chc of wetting rain.10 percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......Increasing to 9000 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....Excellent in the afternoon.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...
Numerous showers and isolated thunderstorms in the evening, then
chance of rain after midnight. Lows in the lower 40s. South to
Southwest 10-15 mph.

.FRIDAY...
Cooler with Rain likely. Highs in the lower 50s. West around 15
mph.

.SATURDAY...
Mostly clear. Slight chance of rain in the morning. Lows in the
mid 30s. Highs in the mid 50s. West around 15 mph.

.SUNDAY...
Partly cloudy with isolated showers. Lows in the lower 30s. Highs
in the lower 60s. Southwest 15-20 mph.

.MONDAY...
Mostly clear. Lows in the upper 30s. Highs in the mid 60s. Winds
generally less than 10 mph.

$$
Forecaster...Murrell
Requested by...Bradley Weller
Type of request...WILDFIRE
.TAG 1715828.0/RIW
.EMAIL blm_wy_rwc_dispatch@blm.gov



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