FNUS75 KRIW 271010
FWSRIW

SPOT FORECAST FOR MOSS RANCH LITTLE MTN...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
410 AM MDT WED APR 27 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...CONSIDERABLE CLOUDINESS WILL PREVAIL THIS MORNING WITH
WITH A FEW FLURRIES HIGHER UP IN THE MOUNTAINS. IT WILL BE PARTLY CLOUDY
THIS AFTERNOON WITH GENERALLY DIURNALLY DRIVEN WINDS. AN APPROACHING
STORM SYSTEM WILL CAUSE THE WINDS TO BEGIN TO INCREASE LATER NIGHT AND
ESPECIALLY ON THURSDAY. A STRONG COLD FRONT WILL BLOW THROUGH THURSDAY
EVENING WITH SNOW EXPECTED THURSDAY NIGHT AND FRIDAY.


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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THIS MORNING THEN
                    PARTLY CLOUDY (45-55 PERCENT).
MAX TEMPERATURE.....42-47.
MIN HUMIDITY........32-35 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST
                    BY AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 8 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 10 MPH BY AFTERNOON.
SMOKE DISPERSAL.....FAIR TO GOOD IN THE AFTERNOON (55500-65000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........68-71 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH BECOMING SOUTH 9
                    TO 11 MPH AND GUSTY AFTER MIDNIGHT.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 MPH.
SMOKE DISPERSAL.....POOR (7500 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)...BECOMING MOSTLY
                    CLOUDY BY EARLY EVENING.
MAX TEMPERATURE.....51-54.
MIN HUMIDITY........21-25 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 13 TO 18 MPH...WITH AFTERNOON GUSTS
                    TO 25 MPH.
RIDGE TOP WINDS.....SOUTH 20 TO 25 MPH INCREASING TO AROUND 30 MPH
                    LATE IN THE AFTERNOON AND SHIFTING TO THE
                    SOUTHWEST AFTER 1600L.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 8000-9000 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 24 MPH BECOMING SOUTHWEST 25
                    TO 30 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (45000 KNOT-FT) INCREASING TO EXCELLENT BY
                    AFTERNOON. (180000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...CLOUDY. SCATTERED SHOWERS IN THE EVENING...THEN
NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 20S.
SOUTH WINDS AROUND 10 MPH.
.FRIDAY...COLDER. CLOUDY WITH NUMEROUS SNOW SHOWERS. LOWS IN THE
MID 20S. HIGHS IN THE MID 30S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 30S. WINDS GENERALLY LESS THAN
10 MPH.
.SUNDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY
LESS THAN 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...LELAND BLACK
REASON FOR REQUEST...PRESCRIBED
.TAG 20110427.MOSSR.02/RIW