Suppression Forecast
Issued by NWS Riverton, WY

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699
FNUS75 KRIW 151723
FWSRIW

Spot Forecast for Noon  Point...BLM WOD
National Weather Service Riverton WY
1123 AM MDT Sun Apr 15 2018

Forecast is based on ignition time of 1400 MDT on April 15.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...West southwest flow aloft ahead of a pacific low
pressure trough will increase over the burn area today and Monday.
Monday will become windy with decreasing Relative humidity and
warming temperatures.

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

FORECASTER...C.Baker

.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Isolated showers
                    and thunderstorms.
Max temperature.....Around 50.
Min humidity........40-43 percent.
20-foot winds.......Southwest winds 10 to 13 mph. Gusts up to 15
                    mph increasing to 25 mph late in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms.
Ridge top winds.....Southwest 15 to 20 mph.
LAL.................1-8 strikes.
Chc of wetting rain.Less than 5 percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......8100 ft AGL.
Transport winds.....Southwest 17 to 22 mph.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    clear (0-10 percent).
Min temperature.....32-35.
Max humidity........62-65 percent.
20-foot winds.......Southwest winds 8 to 13 mph and gusty.
Ridge top winds.....Southwest around 15 mph.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3100 ft AGL until 2400, then 500 FT AGL.
Transport winds.....Southwest 17 to 21 mph.
Smoke dispersal.....Poor to good.

.MONDAY...

Sky/weather.........Mostly sunny (15-25 percent) then becoming
                    partly cloudy (35-45 percent).
Max temperature.....51-54.
Min humidity........30-33 percent.
20-foot winds.......Southwest winds 14 to 21 mph. Gusts up to 30
                    mph increasing to 35 mph in the afternoon.
Ridge top winds.....Southwest 20 to 25 mph increasing to around 30
                    mph in the afternoon.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......1600 ft AGL until 1200, then 8200 ft AGL.
Transport winds.....Southwest 24 to 32 mph.
Smoke dispersal.....Good increasing to excellent in the afternoon.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...
Cloudy. Scattered showers and snow showers in the evening, then
scattered snow showers after midnight. Lows in the mid 20s.
Southwest winds around 13 mph.
.TUESDAY...
Colder. Cloudy with numerous snow showers. Lows in the mid 20s.
Highs in the lower 30s. Northwest winds around 12 mph.
.WEDNESDAY...
Partly cloudy. Lows around 19. Highs in the upper 30s. Winds
generally less than 10 mph.
.THURSDAY...
Mostly cloudy with chance of snow showers. Lows in the mid 20s.
Highs in the upper 30s. Winds generally less than 10 mph.

$$
Forecaster...C.Baker
Requested by...Grif Cochran
Type of request...PRESCRIBED
.TAG 1806642.0/RIW
.EMAIL gcochran@blm.gov



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