FNUS75 KRIW 062233
FWSRIW

SPOT FORECAST FOR BUTTE CREEK...BRIDGER TETON NF
NATIONAL WEATHER SERVICE RIVERTON WY
433 PM MDT THU SEP 6 2012

FORECAST IS BASED ON REQUEST TIME OF 1545 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEATHER SYSTEM WILL MOVE THROUGH THE AREA THROUGH
TONIGHT. SCATTERED SHOWERS WILL OCCUR THROUGH MIDNIGHT WITH THE
ISOLATED RAIN OR SNOW SHOWERS LINGERING THROUGH 500 AM FRIDAY MORNING.
SNOW LEVEL TO LOWER AROUND 10000 FEET TONIGHT. CLOUDS WILL DECREASE
FRIDAY MORNING WITH MOSTLY SUNNY SKY FOR THE AFTERNOON HOURS.
LIGHT WIND SPEED EXPECTED. SATURDAY LOOKS DRY AND WARMER WITH AN
AFTERNOON BREEZE RETURNING TO THE RIDGE TOPS AND EXPOSED AREAS.

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

FORECASTER...AR

.TONIGHT...
SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS.
                    SNOW SHOWERS ABOVE 10000 FEET MSL.
                    SHOWERS BECOMING ISOLATED AFTER MIDNIGHT.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........84-89 PERCENT.

20 FOOT WINDS.......WEST WIND 4 TO 7 MPH WITH GUSTS TO 11 MPH UNTIL
                    MIDNIGHT.  THEN BECOMING DOWNSLOPE/DOWNVALLEY
                    AT 3 TO 6 MPH AFTER MIDNIGHT.

RIDGE TOP WINDS.....WEST AT 10 TO 15 MPH WITH GUSTS TO 20 MPH
                    UNTIL MIDNIGHT.  THEN NORTHWEST AT 5 TO 10 MPH
                    AFTER MIDNIGHT.

LAL.................1.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-1500 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL MIDNIGHT.
                    THEN BECOMING DOWNVALLEY AROUND 5 MPH AFTER
                    MIDNIGHT.
SMOKE DISPERSAL.....DECREASING TO POOR AROUND MIDNIGHT.

.FRIDAY...
SKY/WEATHER.........MORNING CLOUDS WITH ISOLATED RAIN OR SNOW SHOWERS.
                    BECOMING MOSTLY SUNNY FOR THE AFTERNOON.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........20-25 PERCENT.

20 FOOT WINDS.......VARIABLE AT 3 TO 5 MPH IN THE MORNING.
                    WEST TO SOUTHWEST AT 4 TO 7 MPH WITH GUSTS
                    AROUND 10 MPH AFTER 1200.

RIDGE TOP WINDS.....NORTH TO NORTHWEST AT 5 TO 10 MPH UNTIL 1200.
                    NORTH TO NORTHWEST AT 8 TO 13 MPH AFTER 1200.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5300-6300 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....VARIABLE AT 5 TO 10 MPH UNTIL 1200.
                    NORTH TO NORTHWEST AT 10 TO 15 MPH AFTER 1200.
SMOKE DISPERSAL.....BECOMING FAIR BY 1300...GOOD BY 1500.

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE 30S. DOWNSLOPE OR
DOWNVALLEY WIND AT 4 TO 6 MPH.  MAX RH...58-63 PERCENT.

.SATURDAY...MOSTLY CLEAR. HIGHS 55 TO 60. AFTERNOON WEST WIND AT
6 TO 10 MPH WITH RIDGE TOP WIND WEST AT 8 TO 13 MPH IN THE AFTERNOON.
MIN RH...16 TO 20 PERCENT.

.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. WEST WINDS AROUND 10 MPH.

.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS...SNOW
SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS
IN THE MID 60S. WEST WINDS AROUND 14 MPH.

.TUESDAY...COOLER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN
THE LOWER 50S. WEST WINDS AROUND 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...BUTTE CREEK IC
REASON FOR REQUEST...WILDFIRE
.TAG 20120906.BUTTE.01/RIW