FNUS75 KRIW 091157
FWSRIW

SPOT FORECAST FOR NEW BOOT...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
557 AM MDT WED SEP 9 2009

FORECAST IS BASED ON REQUEST TIME OF 1820 MDT ON SEPTEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL BUILD IN AND BRING A WARMER AIRMASS
TO THE AREA TODAY UNDER SUNNY SKIES...TEMPERATURES AROUND 5 TO 8 DEGREES WARMER
THAN ON TUESDAY.  SOUTHWEST WINDS WILL MIX OUT IN THE AFTERNOON...A
BIT EARLIER AND STRONGER THAN ON TUESDAY.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........SUNNY (0 PERCENT).
MAX TEMPERATURE.....70-73.
MIN HUMIDITY........15-18 PERCENT.
20 FOOT WINDS.......NORTHEAST 3 TO 5 MPH THROUGH O900 BECOMING
                    UPSLOPE/UPVALLEY 5-9 MPH LATE MORNING...THEN
                    BECOMING SOUTHWEST 5 TO 10 MPH WITH GUSTS
                    15 TO 20 MPH AROUND 1400.
RIDGE TOP WINDS.....WEST SOUTHWEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3500 FT AGL INCREASING TO 6700 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH IN THE MORNING...WEST
                    SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR IN THE MORNING INCREASING TO VERY GOOD (113900
                    KNOT-FT) BY 1400.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....44-47.
MAX HUMIDITY........41-44 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST WINDS AROUND 9 MPH WITH GUSTS TO AROUND 15
                    MPH EARLY IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH AROUND 2000.
RIDGE TOP WINDS.....WEST SOUTHWEST AROUND 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3600 FT AGL DECREASING TO 500 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....GOOD TO FAIR THROUGH SUNSET THEN BECOMING POOR.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........14-17 PERCENT.
20 FOOT WINDS.......NORTHEAST 3 TO 5 MPH THROUGH O900 BECOMING
                    UPSLOPE/UPVALLEY 5-9 MPH LATE MORNING...THEN
                    BECOMING WEST 5 TO 10 MPH WITH GUSTS
                    15 TO 20 MPH AROUND 1400.
RIDGE TOP WINDS.....WEST 10 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.......4500 FT AGL INCREASING TO 8500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST NORTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR (30800 KNOT-FT) INCREASING TO VERY GOOD
                    (102000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 70.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...LOCKWOOD
REASON FOR REQUEST...WILDFIRE
.TAG 20090908.NEWBO.01/RIW