FNUS75 KRIW 231643
FWSRIW

SPOT FORECAST FOR BILLY CREEK PILES RX...BLM CAD
NATIONAL WEATHER SERVICE RIVERTON WY
943 AM MST TUE NOV 23 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON NOVEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SNOW WILL BE PRESENT OVER THE BURN SITE FOR THE NEXT COUPLE OF
DAYS AS AN IMPRESSIVE WINTER STORM SYSTEM MOVES THROUGH THE AREA.
SNOWFALL OF 5 TO 7 INCHES WILL BE POSSIBLE OVER THE BURN SITE
THROUGH WEDNESDAY AFTERNOON. THIS SYSTEM HAS USHERED IN MUCH
COOLER TEMPERATURES...WHICH WILL REMAIN FOR THE NEXT COUPLE OF
DAYS...WITH NIGHTTIME LOWS DIPPING INTO THE SUB ZERO RANGE.
INCREASED WIND WILL BE PRESENT THROUGH THE OVERNIGHT HOURS
ASSOCIATED WITH THIS SYSTEM...WHICH WILL CREATE AREAS OF BLOWING
AND DRIFTING SNOW AROUND THE BURN SITE. HUMIDITY IS EXPECTED TO
REMAIN ELEVATED. SNOWFALL WILL BEGIN TO TAPER OFF LATE WEDNESDAY
AFTERNOON AND EVENING...WITH GENERALLY DRY CONDITIONS EXPECTED FOR
THE END OF THE WEEK.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........CLOUDY (80-90 PERCENT). CHANCE OF SNOW.
MAX TEMPERATURE.....18-24.
MIN HUMIDITY........34-38 PERCENT.
20 FOOT WINDS.......WEST NORTHWEST 10 TO 15 MPH...BECOMING SOUTHWEST
                    AND INCREASING TO 18 TO 23 MPH AFTER 1100. GUSTS
                    UP TO 30 MPH INCREASING TO 45 MPH AFTER 1100...
                    THEN DECREASING TO 35 MPH AFTER 1500.
RIDGE TOP WINDS.....BECOMING SOUTHWEST AT 25 TO 30 MPH BY 1000.
MIXING HEIGHT.......INCREASING TO AROUND 1100 FT AGL BY 1100.
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH.
SMOKE DISPERSAL.....POOR (17100-30800 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SNOW LIKELY.
MIN TEMPERATURE.....0 TO 5 BELOW ZERO.
MAX HUMIDITY........74-79 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 17 TO 20 MPH WITH GUSTS TO
                    AROUND 35 MPH...THEN BECOMING DOWNSLOPE/DOWNVALLEY
                    4-7 MPH AFTER 0200.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH BECOMING SOUTH AROUND
                    20 MPH AFTER 0100.
MIXING HEIGHT.......DECREASING TO AROUND 500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH SHIFTING TO THE NORTH
                    AT 10 TO 15 MPH AFTER 0200.
SMOKE DISPERSAL.....POOR (12100-21800 KNOT-FT).

.WEDNESDAY...
SKY/WEATHER.........CLOUDY (80-90 PERCENT). SNOW LIKELY.
                    AREAS OF BLOWING SNOW IN THE AFTERNOON.
MAX TEMPERATURE.....0-5.
MIN HUMIDITY........63-66 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH DECREASING TO 10 TO 15
                    MPH AFTER 1100...THEN SHIFTING THE WEST AT
                    AFTER 1500.
MIXING HEIGHT.......INCREASING TO AROUND 1400 FT AGL.
TRANSPORT WINDS.....NORTH NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR (10000-18500 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 8 BELOW. WEST WINDS
AROUND 15 MPH.
.THANKSGIVING DAY...NOT AS COLD. PARTLY CLOUDY. LOWS AROUND 11.
HIGHS AROUND 15. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...NOT AS COLD. PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN
THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND
20. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...BOB BUHR
REASON FOR REQUEST...PRESCRIBED
.TAG 20101123.BILLY.01/RIW