FNUS75 KRIW 051648
FWSRIW

SPOT FORECAST FOR VAIL FIRE...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
1048 AM MDT MON SEP 5 2011

FORECAST IS BASED ON REQUEST TIME OF 1035 MDT ON SEPTEMBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WARM AND VERY DRY CONDITIONS WILL CONTINUE AGAIN TODAY. WINDS ARE
EXPECTED TO BE RELATIVELY LIGHT AND TERRAIN DRIVEN MOST OF THE
DAY...BUT BECOME MORE WEST TO SOUTHWEST BY MID TO LATE AFTERNOON.
SOME MOISTURE WILL BEGIN TO SURGE NORTHWARD LATE TODAY AHEAD OF A
WEAK DISTURBANCE THAT WILL AFFECT THE REGION TONIGHT AND TUESDAY.
ISOLATED THUNDERSTORM ACTIVITY WILL BE POSSIBLE LATE THIS AFTERNOON
THIS ISOLATED TO WIDELY SCATTERED SHOWER AND THUNDERSTORM ACTIVITY IS
EXPECTED TO LAST TONIGHT THROUGH THE DAY ON TUESDAY.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED RAIN
                    SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS
                    IN THE AFTERNOON BY AROUND 1500.
MAX TEMPERATURE.....66.
MIN HUMIDITY........19 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH FROM THE WEST SOUTHWEST AND WILL
                    INCREASE TO 10 TO 17 MPH BY 1400. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE WEST IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.4 PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). ISOLATED RAIN
                    SHOWERS IN THE EVENING. SCATTERED SHOWERS
                    AFTER 0300.
MIN TEMPERATURE.....42-45.
MAX HUMIDITY........68-70 PERCENT.
20 FOOT WINDS.......WEST WINDS AROUND 9 MPH EARLY IN THE EVENING
                    BECOMING NORTHEAST DOWNSLOPE/DOWNVALLEY 4-7 MPH...THEN
                    BECOMING SOUTH SOUTHWEST AROUND 8 MPH AFTER MIDNIGHT WITH
                    GUSTS UP TO 15 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE SOUTH
                    EARLY IN THE MORNING.
LAL.................2.
CHC OF WETTING RAIN.8 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (50-60 PERCENT). SCATTERED RAIN
                    SHOWERS IN THE MORNING. ISOLATED SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....62.
MIN HUMIDITY........28 PERCENT.
20 FOOT WINDS.......SOUTHEAST 5-9 MPH BECOMING WEST AT 5 TO 9 MPH
                    BY 1200. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE
                    NORTHWEST IN THE LATE MORNING AND EARLY
                    AFTERNOON...THEN SHIFTING TO THE EAST LATE IN
                    THE AFTERNOON.
LAL.................2.
CHC OF WETTING RAIN.6 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...BRANDT
REASON FOR REQUEST...WILDFIRE
.TAG 20110905.VAILF.01/RIW