FNUS75 KRIW 031744
FWSRIW

SPOT FORECAST FOR VAIL FIRE...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
1144 AM MDT SAT SEP 3 2011

FORECAST IS BASED ON REQUEST TIME OF 1120 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WITH SEASONAL TEMPERATURES EXPECTED TODAY AND SUNDAY. WINDS
WILL BE WEAKER...AND MIN RH ABOUT 10 PERCENT HIGHER THAN WHAT
OCCURRED YESTERDAY. SOME MOISTURE IS EXPECTED TO SURGE NORTHWARD
AHEAD OF A WEAK DISTURBANCE LATE MONDAY. SOME THUNDERSTORM ACTIVITY
COULD OCCUR WITH THIS SYSTEM LATE MONDAY INTO TUESDAY.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....59.
MIN HUMIDITY........33 PERCENT.
20 FOOT WINDS.......SOUTHWEST UPSLOPE 5-9 MPH WITH GUSTS UP TO 15 MPH BY
                    1500.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE WEST IN THE
                    AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........62 PERCENT.
20 FOOT WINDS.......WEST WINDS AROUND 8 MPH WITH GUSTS TO AROUND 15
                    MPH EARLY IN THE EVENING BECOMING EAST NORTHEASTERLY
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH BY 2000...THEN BECOMING
                    EAST AROUND 8 MPH WITH GUSTS TO AROUND 15
                    MPH BY 0100.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE SOUTHEAST
                    AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.SUNDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....58.
MIN HUMIDITY........29 PERCENT.
20 FOOT WINDS.......EAST 3 TO 6 MPH IN THE  EARLY MORNING. THEN BY 1000
                    BECOMING SOUTHWEST 5-9 MPH. GUSTS UP TO 15 MPH BY 1400.
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH SHIFTING TO THE WEST IN
                    THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.LABOR DAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. WINDS
GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...VAIL IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110903.VAILF.01/RIW