FNUS75 KRIW 260942
FWSRIW

SPOT FORECAST FOR WASHAKIE ASPEN RX...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
342 AM MDT MON MAR 26 2012

FORECAST IS BASED ON IGNITION TIME OF 1721 MDT ON MARCH 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT
THIS EVENING...

.DISCUSSION...

A VERY STRONG COLD FRONT WILL MOVE ACROSS THE BURN AREA TODAY.
THIS SHOULD OCCUR BETWEEN NOON AND 2 PM. REGARDLESS OF THE EXACT
TIMING...STRONG SOUTHWEST WINDS WILL OCCUR AHEAD OF THE FRONT AND
THEN BECOME STRONGER AND SHIFT MORE WESTERLY AFTER FRONTAL
PASSAGE. THE STRONGEST WINDS ARE EXPECT TO OCCUR BETWEEN 3 PM AND
9 PM TODAY. SOME GUSTS TO 70 MPH ARE POSSIBLE. IN ADDITION TO THE
STRONG WINDS...SCATTERED RAIN AND SNOW SHOWERS AND EVEN AN
ISOLATED THUNDERSTORM ARE POSSIBLE. MOST OF THE SHOWER ACTIVITY
WILL OCCUR THIS AFTERNOON. THE PRECIPITATION WILL CHANGE QUICKLY TO
SNOW THIS AFTERNOON. SOME LIGHT SNOW OR EVEN SMALL HAIL
ACCUMULATION IS POSSIBLE AT THE BURN SITE.

ON TUESDAY...WINDS WILL CONTINUE TO WEAKEN AS THE STORM SYSTEM
SHIFTS AWAY FROM THE AREA. OTHERWISE DRY CONDITIONS AND MORE
SEASONAL TEMPERATURES ARE EXPECTED.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). ISOLATED RAIN
                    SHOWERS IN THE MORNING...THEN SCATTERED SNOW
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 50 IN THE MORNING...FALLING INTO THE 20S
                    IN THE AFTERNOON.
MIN HUMIDITY........20-25 PERCENT IN THE MORNING...INCREASING TO 35
                    TO 45 PERCENT DURING THE AFTERNOON.
20 FOOT WINDS.......EXTREMELY WINDY. SOUTHWEST WINDS 20 TO 30 MPH
                    INCREASING TO 30 TO 40 MPH IN THE AFTERNOON. GUSTS
                    UP TO 65 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR ANY THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 30 MPH INCREASING TO AROUND 40
                    MPH IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3100-4100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH INCREASING TO AROUND 40
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (50-60 PERCENT). CHANCE OF SNOW
                    SHOWERS IN THE EVENING.
MIN TEMPERATURE.....AROUND 20.
MAX HUMIDITY........75-80 PERCENT.
20 FOOT WINDS.......WINDY. WEST WINDS 30 TO 40 MPH...DECREASING TO
                    20 TO 30 MPH BY MIDNIGHT. GUSTS UP TO 70 MPH
                    IN THE EVENING.
RIDGE TOP WINDS.....WEST 40 TO 50 MPH DECREASING TO AROUND 35 MPH
                    AFTER MIDNIGHT.
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.......2000 FT AGL.
TRANSPORT WINDS.....WEST 40 TO 50 MPH DECREASING TO AROUND 35 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....FAIR TO GOOD.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....41-44.
MIN HUMIDITY........24-27 PERCENT.
20 FOOT WINDS.......WEST WINDS 15 TO 20 MPH...DECREASING TO AROUND 10
                    MPH BY EARLY AFTERNOON.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH DECREASING TO 10-15 MPH
                    IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3100-4100 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 30 MPH...DECREASING TO 15 TO 20 MPH.
SMOKE DISPERSAL.....GOOD (74700-83500 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS AROUND 16 MPH.

.WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 14 MPH.

.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST
WINDS AROUND 13 MPH.

.FRIDAY...MOSTLY CLEAR WITH SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. WEST WINDS
AROUND 18 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...ANDREW MCWILLIAMS
REASON FOR REQUEST...PRESCRIBED
.TAG 20120325.WASHA.01/RIW