FNUS75 KRIW 291553
FWSRIW

SPOT FORECAST FOR BILLY CREEK PILES RX...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
853 AM MST TUE JAN 29 2013

FORECAST IS BASED ON IGNITION TIME OF 0825 MST ON JANUARY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

SNOWFALL WILL REMAIN OVER THE AREA TODAY...WITH COVERAGE
INCREASING DURING THE AFTERNOON HOURS. WIND IS EXPECTED TO
INCREASE THROUGH THE AFTERNOON AS A TROUGH OF LOW PRESSURE MOVES
THROUGH THE STATE. SNOWFALL WILL CONTINUE THROUGH THE EVENING
HOURS...THOUGH A LULL MAY BE EXPERIENCED AFTER MIDNIGHT ACROSS THE
BURN SITE. WIND WILL REMAIN INCREASED HOWEVER...WITH AREAS OF
BLOWING SNOW ANTICIPATED THROUGH THE PERIOD. TEMPERATURES WILL BE
COLDER TODAY...WITH OVERNIGHT LOWS DIPPING TO THE LOW SINGLE
DIGITS. EVEN WITH ONGOING SNOWFALL ON WEDNESDAY...TEMPERATURES ARE
ANTICIPATED TO WARM DURING THE AFTERNOON HOURS...REACHING INTO THE
LOW 20S.

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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SNOW SHOWERS POSSIBLE
                    THIS MORNING...WITH SNOWFALL BECOME WIDESPREAD
                    BY 1200.
MAX TEMPERATURE.....13-17.
MIN HUMIDITY........51-54 PERCENT.
20 FOOT WINDS.......NORTH TO NORTHWEST AT 5-10 MPH...INCREASING TO
                    10-15 MPH WITH GUSTS TO AROUND 25 AFTER 1200.
RIDGE TOP WINDS.....NORTH 18 TO 22 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5800-6800 FT AGL.
TRANSPORT WINDS.....NORTH 13 TO 18 MPH.
SMOKE DISPERSAL.....GOOD (82500-93100 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SCATTERED SNOW SHOWERS.
                    AREAS OF BLOWING SNOW 0200.
MIN TEMPERATURE.....3-6.
MAX HUMIDITY........85-89 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 8 TO 12 MPH INCREASING TO 15 TO
                    20 MPH BY 0300. GUSTS UP TO 20 MPH INCREASING TO
                    35 MPH BY 0300..
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH INCREASING TO 25 TO
                    30 MPH BY 0200.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5500 FT AGL DECREASING TO 2700 FT AGL BY 0200.
TRANSPORT WINDS.....NORTH 14 TO 17 MPH INCREASING TO 20 TO 25 MPH
                    BY 0200.
SMOKE DISPERSAL.....FAIR TO GOOD (46400-73800 KNOT-FT).

.WEDNESDAY...
SKY/WEATHER.........CLOUDY (80-90 PERCENT). AREAS OF BLOWING SNOW
                    THROUGH THE DAY. CHANCE OF SNOW IN THE MORNING
                    WITH COVERAGE INCREASING TO LIKELY BY AROUND
                    1200.
MAX TEMPERATURE.....22-25.
MIN HUMIDITY........59-62 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS TO
                    AROUND 40 MPH.
RIDGE TOP WINDS.....NORTHWEST 25 TO 30 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2300-3100 FT AGL.
TRANSPORT WINDS.....NORTH 24 TO 28 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (53100-65200 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...SNOW LIKELY IN THE EVENING...THEN CHANCE OF
SNOW AFTER MIDNIGHT. AREAS OF BLOWING SNOW THROUGH THE NIGHT.
LOWS AROUND 14. NORTHWEST WINDS AROUND 15 MPH.

.THURSDAY...MOSTLY CLOUDY. CHANCE OF SNOW AND AREAS OF BLOWING
SNOW. OCCASIONAL FLURRIES. LOWS AROUND 18. HIGHS IN THE UPPER
20S. NORTHWEST WINDS AROUND 15 MPH.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS AROUND 11 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 30S. WEST WINDS AROUND 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...BOB BUHR
REASON FOR REQUEST...PRESCRIBED
.TAG 20130129.BILLY.01/RIW