FNUS75 KRIW 121112
FWSRIW

SPOT FORECAST FOR WEST SLOPE RX...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
512 AM MDT TUE APR 12 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...COOLER DAY EXPECTED WITH MORNING CLOUDS GIVING WAY TO
PARTIAL SUNSHINE AT TIMES IN THE AFTERNOON. WIND WILL BE LIGHT...UNDER
10 MPH FOR MOST OF THE DAY WITH LOWER MIXING HEIGHT THAN WHAT WAS
OBSERVED ON MONDAY. DECREASING CLOUDS TONIGHT. WEDNESDAY LOOKS DRY
THROUGH 2 PM WITH INCREASING CLOUDS DURING THE LATE MORNING. THEN
ISOLATED SHOWERS ARE POSSIBLE THE REST OF THE DAY. WEDNESDAY WILL
BE WARMER WITH A SOUTH TO SOUTHEAST WIND AROUND 10 MPH IN THE AFTERNOON
WITH HIGHER MIXING HEIGHTS.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS OR SNOW
                    SHOWERS UNTIL 1000...THEN A SLIGHT CHANCE OF
                    RAIN SHOWERS.
MAX TEMPERATURE.....47-52.
MIN HUMIDITY........40-45 PERCENT.

20 FOOT WINDS.......WEST TO NORTHWEST AT 3 TO 6 MPH UNTIL 1200.
                    THEN SOUTH AT 3 TO 6 MPH AFTER 1200.

RIDGE TOP WINDS.....WEST TO NORTHWEST AT 5 TO 9 MPH UNTIL 1200.
                    THEN SOUTH AT 5 TO 9 MPH AFTER 1200.

LAL.................1.
CHC OF WETTING RAIN.8 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5300 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AT 10 MPH IN THE MORNING.
                    SOUTH AT 10 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR FOR THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS.
MIN TEMPERATURE.....34-38.
MAX HUMIDITY........80-85 PERCENT.

20 FOOT WINDS.......SOUTH TO SOUTHEAST AT 4 TO 7 MPH UNTIL SUNSET...
                    THEN VARIABLE AT 3 TO 5 MPH.

RIDGE TOP WINDS.....SOUTH TO SOUTHEAST AT 5 TO 9 MPH.

LAL.................1.
CHC OF WETTING RAIN.11 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 600 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH TO SOUTHEAST AT 10 MPH UNTIL SUNSET.
                    THEN SOUTH TO SOUTHEAST AT 6 MPH.
SMOKE DISPERSAL.....FAIR UNTIL SUNSET...THEN BECOMING POOR.

.WEDNESDAY...
SKY/WEATHER.........INCREASING CLOUDS BY 1200...THEN MOSTLY CLOUDY
                    IN THE AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS
                    AFTER 1400.
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........30-35 PERCENT.

20 FOOT WINDS.......BECOMING SOUTH TO SOUTHEAST AT 4 TO 8 MPH AFTER
                    1000...THEN SOUTH TO SOUTHEAST AT 7 TO 11 MPH
                    AFTER 1300.

RIDGE TOP WINDS.....BECOMING SOUTH TO SOUTHEAST AT 6 TO 10 MPH AFTER
                    1000...THEN SOUTH TO SOUTHEAST AT 9 TO 14 MPH AFTER
                    1300 WITH GUSTS TO 18 MPH.

LAL.................1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH TO SOUTHEAST AT 15 MPH.
SMOKE DISPERSAL.....BECOMING GOOD IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.WEDNESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S.
SOUTH WIND AROUND 10 MPH.

.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF RAIN AND SNOW SHOWERS.
ISOLATED AFTERNOON THUNDERSTORMS. HIGHS IN THE MID 40S.
NORTHWEST WIND 15 TO 20 MPH.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS AROUND 50. WINDS GENERALLY
LESS THAN 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...CDC
REASON FOR REQUEST...PRESCRIBED
.TAG 20110412.WESTS.01/RIW