FNUS75 KRIW 232057
FWSRIW

SPOT FORECAST FOR WEST SLOPE RX...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
257 PM MDT WED MAR 23 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MARCH 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AFTER A DRY NIGHT...A DISTURBANCE WILL MOVE INTO THE INTERMOUNTAIN
WEST EARLY THURSDAY. AN INFLUX OF PACIFIC MOISTURE WITH THIS
DISTURBANCE WILL BRING ISOLATED SNOW SHOWERS DURING THE MORNING
HOURS BECOMING RAIN WITH GREATER COVERAGE IN THE AFTERNOON AS THE
DISTURBANCE MOVES CLOSER TO THE BURN AREA. A SERIES OF DISTURBANCES
WILL KEEP A CHANCE OF PRECIPITATION INTO THE WEEKEND.


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

FORECASTER...BERC

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT).
MIN TEMPERATURE.....24-27.
MAX HUMIDITY........59-62 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH BECOMING EAST 9 TO
                    10 MPH AND GUSTY AFTER MIDNIGHT.
RIDGE TOP WINDS.....EAST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400-1400 FT AGL.
TRANSPORT WINDS.....NORTH 9 TO 15 MPH.
SMOKE DISPERSAL.....POOR (3500-11600 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SNOW
                    SHOWERS IN THE MORNING...THEN SCATTERED RAIN
                    SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........29-32 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....EAST AROUND 15 MPH BECOMING SOUTH AROUND 5 MPH
                    IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 4200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTH 7 TO 13 MPH.
SMOKE DISPERSAL.....POOR (10600-25300 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...CLOUDY. CHANCE OF RAIN AND SNOW IN THE
EVENING...THEN ISOLATED SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...CLOUDY WITH SCATTERED SHOWERS AND SNOW SHOWERS. LOWS IN
THE UPPER 20S. HIGHS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.
.SATURDAY...MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW SHOWERS.
LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS
THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS
IN THE MID 20S. HIGHS AROUND 50. WINDS GENERALLY LESS THAN
10 MPH.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS
IN THE MID 20S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...BERC
REQUESTED BY...MONONI
REASON FOR REQUEST...PRESCRIBED
.TAG 20110324.WESTS.01/RIW