FNUS75 KRIW 020143
FWSRIW

SPOT FORECAST FOR NEW BOOT...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
743 PM MDT TUE SEP 1 2009

FORECAST IS BASED ON REQUEST TIME OF 1914 MDT ON SEPTEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WEATHER TONIGHT THROUGH EARLY AFTERNOON WEDNESDAY.
ISOLATED SHOWERS OR STORMS MAY FORM OVER THE HIGHER MOUNTAINS AFTER 2 PM
WEDNESDAY AFTERNOON. WIND GUSTS TO 40 MPH WILL BE THE MAIN THREAT ALONG
WITH SOME LIGHTNING. RAINFALL WILL BE LIGHT AND SHORT-LIVED. THE STORMS
WILL END BY 9 PM WEDNESDAY EVENING. EXPECT ISOLATED AFTERNOON AND
EVENING SHOWERS OR STORMS ON THURSDAY AS WELL.

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

FORECASTER...AR

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........45-50 PERCENT.
20 FOOT WINDS.......WEST 3 TO 6 MPH THE REST OF THE NIGHT.
RIDGE TOP WINDS.....WEST 5 TO 9 MPH THE REST OF THE NIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL.
TRANSPORT WINDS.....WEST AT 8 MPH.
SMOKE DISPERSAL.....DECREASING TO POOR AFTER MIDNIGHT.

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY. INCREASE IN CLOUDS AFTER 1400.
MAX TEMPERATURE.....74-78.
MIN HUMIDITY........16-21 PERCENT.
20 FOOT WINDS.......WEST 3 TO 6 MPH IN THE MORNING.
                    WEST TO NORTHWEST 5 TO 8 MPH AFTER 1300...
                    GUSTS TO 12 MPH.
RIDGE TOP WINDS.....WEST AT 5 TO 9 MPH IN THE MORNING.
                    WEST TO NORTHWEST AT 7 TO 12 MPH AFTER 1300...
                    GUSTS TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 8000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AT 10 MPH.
SMOKE DISPERSAL.....INCREASING TO GOOD IN THE AFTERNOON.

.WEDNESDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS UNTIL 2100.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........50-55 PERCENT.
20 FOOT WINDS.......WEST 5 TO 8 MPH UNTIL 8 PM...THEN WEST AT
                    3 TO 6 MPH.
RIDGE TOP WINDS.....WEST 8 TO 13 MPH UNTIL 8 PM...THEN WEST AT
                    5 TO 9 MPH.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.1 PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
MIXING HEIGHT.......DECREASING TO 500 AGL AFTER MIDNIGHT.
SMOKE DISPERSAL.....DECREASING TO POOR AFTER MIDNIGHT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.


.FORECAST DAYS 3 THROUGH 5...

.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS
THAN 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...IC BARNES
REASON FOR REQUEST...WILDFIRE
.TAG 20090901.NEWBO.01/RIW