Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 160830
FWSRIW

Spot Forecast for Noon Point Rx...BLM WOD
National Weather Service Riverton WY
230 AM MDT Mon Apr 16 2018

Forecast is based on ignition time of 1000 MDT on April 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Very windy, mild, with low afternoon RH are expected at the fire
site this afternoon. A strong cold front is expected to push
across the fire site around midnight shifting winds to the
northwest and north. Snow showers are likely after midnight
tonight through midday Friday. A total of 1 to 3 inches of snow
is expected by Friday afternoon.

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

FORECASTER...Murrell

.TODAY...

Sky/weather.........Mostly sunny (15 percent).
Max temperature.....64-68.
Min humidity........15-20 percent.
20-foot winds.......Southwest 5-10 mph, becoming south southwest
                    around 15 mph between 10 AM and noon increasing
                    to 20-25 mph by 2 PM. Gusts 35-45 mph
                    in the afternoon.
Ridge top winds.....South southwest around 20 mph increasing
                    to around 30 mph in the afternoon. Gusts
                    45-55 mph in the afternoon.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......10000 ft AGL.
Transport winds.....Southwest 20 mph increasing to around 45 mph.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Becoming cloudy (100 percent) in the evening.
                    Chance of rain showers in the evening, then
                    snow showers likely after midnight.
Min temperature.....25-30.
Max humidity........90 percent.
20-foot winds.......Southwest around 15 mph, shifting to the
                    northwest and north after midnight.
Ridge top winds.....South southwest around 25 mph, becoming
                    northwest to north 10-15 mph around midnight.
LAL.................No Tstms.
Chc of wetting rain.50 percent after midnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......2500-3500 ft AGL.
Transport winds.....South southwest around 25 mph, becoming
                    northwest to north 10-15 mph around midnight.
Smoke dispersal.....Excellent decreasing to poor between 9 PM
                    and midnight.

.TUESDAY...

Sky/weather.........Cloudy (85-95 percent). Snow showers likely in
                    the morning, then chance of snow showers in the
                    afternoon.
Max temperature.....34-38.
Min humidity........50 percent.
20-foot winds.......Northwest 10-15 mph.
Ridge top winds.....Northwest 15-20 mph.
LAL.................No Tstms.
Chc of wetting rain.50 percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......6000 ft AGL.
Transport winds.....Northwest 20-30 mph.
Smoke dispersal.....Very good.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...
Partly cloudy. Slight chance of snow showers in the evening. Lows
around 20. Winds generally less than 10 mph.

.WEDNESDAY...
Partly cloudy. Highs in the upper 30s. Winds generally less than
10 mph.

.THURSDAY...
Cloudy with chance of snow showers. Lows in the lower 20s. Highs
around 40. Winds generally less than 10 mph.

.FRIDAY...
Mostly cloudy. Slight chance of snow showers. Lows in the upper
20s. Highs in the lower 40s. Winds generally less than 10 mph.

$$
Forecaster...Murrell
Requested by...Grif Cochran
Type of request...PRESCRIBED
.TAG 1806746.0/RIW
.EMAIL gcochran@blm.gov



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