FNUS75 KRIW 111639
FWSRIW

SPOT FORECAST FOR MOSS RANCH...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
1039 AM MDT SAT APR 11 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MOISTURE STREAMING NORTH AHEAD OF A STORM CENTER OVER THE
GREAT BASIN WILL SPREAD CONSIDERABLE CLOUDINESS OVER THE BURN AREA BY
1130. THIS WEATHER SYSTEM WILL BE RESPONSIBLE FOR A CHANCE OF SHOWERS
THIS AFTERNOON THROUGH SUNDAY AS IT TRACKS EAST ACROSS THE SOUTHERN ROCKIES.
NORTHWEST WINDS WILL BECOME MORE ESTABLISHED LATER TONIGHT AS THE WINDS
CIRCULATE AROUND THE BACKSIDE OF THE ASSOCIATED TROUGH. A LIKELIHOOD
OF PRECIPITATION IS SLATED FOR THE MIDDLE OF THE WEEK WHEN A MORE POTENT
WEATHER SYSTEM APPROACHES THE AREA.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF
                    RAIN SHOWERS BY 1500.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........32-35 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY FROM THE SOUTHWST 5 TO 7 MPH
                    WITH OCCASIONAL GUSTS OF 9 MPH.
RIDGE TOP WINDS.....SOUTH SOUTHWEST 5 TO 7 MPH.
LAL.................1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........3.
MIXING HEIGHT.......9500 FEET AGL.
TRANSPORT WINDS.....SOUTH 12 MPH.
SMOKE DISPERSAL.....VERY GOOD.

.TONIGHT...
SKY/WEATHER.........CLOUDY (80-90 PERCENT). CHANCE OF
                    RAIN SHOWERS IN THE EVENING...THEN RAIN SHOWERS
                    LIKELY AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........92-95 PERCENT.
20 FOOT WINDS.......WINDS BECOMING NORTHWEST AT 8 TO 10 MPH BY 2100. THERE
                    WILL BE A FEW GUSTS TO 25 MPH WHEN SOME OF THE WINDS
                    FROM ALOFT MIX DOWN.
RIDGE TOP WINDS.....NORTH 12 MPH.
LAL.................1.
CHC OF WETTING RAIN.15 PERCENT.
HAINES INDEX........3.
MIXING HEIGHT.......1200 FEET AGL.
TRANSPORT WINDS.....NORTH 12 MPH.
SMOKE DISPERSAL.....POOR.

.SUNDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS.
MAX TEMPERATURE.....54-57.
MIN HUMIDITY........26-29 PERCENT.
20 FOOT WINDS.......NORTHWEST 10 TO 13 MPH WITH GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.7 PERCENT..
HAINES INDEX........3.
MIXING HEIGHT.......7500 FEET AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....VERY GOOD.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...COOLER. NUMEROUS SHOWERS...SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...CLOUDY WITH NUMEROUS SHOWERS AND SNOW SHOWERS. LOWS
IN THE LOWER 30S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...JACK MONONI
REASON FOR REQUEST...PRESCRIBED
.TAG 20090411.MOSSR.01/RIW