FNUS75 KRIW 162042
FWSRIW

SPOT FORECAST FOR BRETECHE CREEK RX...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
242 PM MDT WED MAR 16 2011

FORECAST IS BASED ON IGNITION TIME OF 1425 MDT ON MARCH 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...STRONG WEST TO SOUTHWEST FLOW WILL CONTINUE THROUGH THE
EVENING...TRANSLATING TO OCCASIONAL GUSTY CONDITIONS AT THE BURN SITE
AS SEVERAL WAVES PASS THROUGH THE FAST FLOW OVER THE NEXT 48 HOURS.
RIDGE TOP WINDS WILL BE OUT OF THE SOUTHWEST AND WILL BE STEADY AT
AROUND 40 MPH THROUGH THE EVENING AND WILL THEN TAPER OFF BRIEFLY TO
AROUND 10 MPH TONIGHT AHEAD OF THE NEXT WAVE THAT WILL COME THROUGH
TOMORROW MORNING...INCREASING WINDS AGAIN TOMORROW DURING THE DAY.
WET SNOW WILL ALSO CONTINUE TO FALL THROUGH EARLY MORNING ON THURSDAY.
COOLER AIR MOVES IN BEHIND THE SNOW OVERNIGHT WITH HIGH TEMPERATURES IN
THE UPPER THIRTIES TOMORROW.

A TRANSITORY RIDGE BUILDS IN ON FRIDAY ENDING SNOW CHANCES AND ALLOWING
FOR A SUBSTANTIAL PERIOD OF LIGHT DRAINAGE WINDS.

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

FORECASTER...ALLEN

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). PERIODS OF SNOW
                    IN THE AFTERNOON AND EVENING TAPERING OFF TO
                    FLURRIES BY MORNING.
MIN TEMPERATURE.....30.
MAX HUMIDITY........100 PERCENT.
20 FOOT WINDS.......WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
                    30 MPH IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST AROUND 40 MPH DECREASING TO 25 TO 30 MPH
                    AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.30 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800-2800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 26 MPH DECREASING TO AROUND 15 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD (21600-63300 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF SNOW
                    IN THE MORNING...THEN SLIGHT CHANCE OF RAIN AND
                    SNOW IN THE AFTERNOON.
MAX TEMPERATURE.....38.
MIN HUMIDITY........35 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 11 TO 17
                    MPH WITH GUSTS TO AROUND 25 MPH IN THE LATE
                    MORNING AND AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 20 MPH INCREASING TO AROUND 35 MPH
                    IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.20 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2900 FT AGL INCREASING TO 5300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 28 TO 29 MPH.
SMOKE DISPERSAL.....GOOD (73500 KNOT-FT) INCREASING TO VERY GOOD
                    (126800 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW.
LOWS IN THE LOWER 20S. WEST WINDS AROUND 16 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE MID
40S. WINDS GENERALLY LESS THAN 10 MPH IN THE MORNING BECOMING
SOUTHWEST AROUND 15 MPH.
.SATURDAY...MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW. LOWS
IN THE MID 20S. HIGHS AROUND 50. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS IN
THE MID 20S. HIGHS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.
.MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. LOWS IN
THE LOWER 30S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...ALLEN
REQUESTED BY...MONONI
REASON FOR REQUEST...PRESCRIBED
.TAG 20110316.BRETE.02/RIW