FNUS75 KRIW 141605
FWSRIW

SPOT FORECAST FOR BILLY CREEK PILES...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
1005 AM MDT WED OCT 14 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK PACIFIC TROUGH WILL CONTINUE TO MOVE THROUGH NORTHERN
WYOMING LATE THIS MORNING. THE ASSOCIATED JET STREAM WILL INCREASE
WEST WIND ACROSS THE SOUTHERN BIGHORN MOUNTAINS TODAY. THE WIND
WILL BECOME MORE WEST-NORTHWEST THIS AFTERNOON AND CONTINUE TO REMAIN
STRONG THROUGH THE EVENING. WEAK HIGH PRESSURE WILL MOVE OVER THE
REGION TONIGHT...AHEAD OF A WEAK SURFACE COLD FRONT EXPECTED TO
MOVE FROM NORTH TO SOUTH THROUGH THE AREA AROUND MID-DAY THURSDAY.

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

FORECASTER...CHURCH

.REST OF TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF RAIN
                    SHOWERS.
MAX TEMPERATURE.....47-50.
MIN HUMIDITY........49-52 PERCENT.
20 FOOT WINDS.......WEST WINDS 13 TO 18 MPH. GUSTS UP TO 26 MPH
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 15 TO 25 MPH WITH GUSTS TO 30 MPH.
LAL.................1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2400-2800 FT AGL.
TRANSPORT WINDS.....WEST 25 TO 30 MPH.
SMOKE DISPERSAL.....GOOD (60000-84000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....30-33.
MAX HUMIDITY........62-67 PERCENT.
20 FOOT WINDS.......BREEZY. WEST WINDS 16 TO 20 MPH WITH GUSTS TO
                    28 MPH IN THE EVENING...DECREASING TO WEST
                    6 TO 11 MPH AROUND MIDNIGHT.
RIDGE TOP WINDS.....NORTHWEST 15 TO 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500-1400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 24 MPH.
SMOKE DISPERSAL.....POOR (8200-29400 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF
                    RAIN AND SNOW IN THE MORNING.
MAX TEMPERATURE.....39-43.
MIN HUMIDITY........45-48 PERCENT.
20 FOOT WINDS.......WEST WINDS 4 TO 7 MPH IN THE MORNING BECOMING
                    NORTHWEST 6 TO 10 MPH WITH GUSTS TO 16 MPH IN
                    THE AFTERNOON.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.4 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000-2400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (40000-60000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
40S. NORTHWEST WIND 10 TO 15 MPH.
.SATURDAY...WARMER. PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS
IN THE UPPER 50S. WEST WINDS AROUND 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHWEST 10 TO 15 MPH.

$$

FORECASTER...CHURCH
REQUESTED BY...CASPER DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20091014.BILLY.01/RIW