Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 291528
FWSRIW

SPOT FORECAST FOR RATTLE SNAKE PILE BURNS...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
828 AM MST TUE NOV 29 2016

FORECAST IS BASED ON IGNITION TIME OF 1200 MST ON NOVEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
COLD UPPER LEVEL STORM SYSTEM AND ITS ASSOCIATED NORTHERLY FLOW ALOFT
WILL MOVE EAST AWAY FROM THE AREA. IT WILL BE REPLACED BY A GUSTY
WESTERLY FLOW TONIGHT INTO WEDNESDAY, ESPECIALLY THROUGH THE MOUNTAIN
GAPS AND OVER THE RIDGES. IT WILL BE DRY THROUGH WEDNESDAY BEFORE A NEW
WEATHER SYSTEM MOVING IN FROM THE WEST BRINGS A CHANCE OF LIGHT SNOW OR
FLURRIES WEDNESDAY NIGHT AND THURSDAY.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...SKRBAC

.WEDNESDAY...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....24-27.
MIN HUMIDITY........43-46 PERCENT.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS 20 TO 24 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500-2000 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 26 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (30000-50000 KNOT-FT).

.WEDNESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF
                    SNOW SHOWERS EARLY IN THE MORNING.
MIN TEMPERATURE.....15-18.
MAX HUMIDITY........75-78 PERCENT.
20-FOOT WINDS.......WEST WINDS 8 TO 11 MPH AND GUSTY.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL UNTIL 2400...THEN 500 FT AGL.
TRANSPORT WINDS.....WEST 18 TO 19 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (6500-25200 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
                    SNOW SHOWERS.
MAX TEMPERATURE.....21-24.
MIN HUMIDITY........57-60 PERCENT.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH
                    UNTIL LATE AFTERNOON.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL UNTIL 1200...THEN 4000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 16 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (28400-37300 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING...
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 12. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND 12. HIGHS
IN THE MID 20S. WEST WINDS AROUND 11 MPH.
.SATURDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND 17. HIGHS
AROUND 30. WEST WINDS AROUND 15 MPH.
.SUNDAY...
MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS
IN THE LOWER 30S. WEST WINDS AROUND 14 MPH.

$$
FORECASTER...SKRBAC
REQUESTED BY...BRYAN MCKENZIE
TYPE OF REQUEST...PRESCRIBED
.TAG 1603724.0/RIW
.EMAIL BMCKENZI@BLM.GOV



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