FNUS75 KRIW 110156
FWSRIW

SPOT FORECAST FOR VAIL FIRE...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
756 PM MDT SAT SEP 10 2011

FORECAST IS BASED ON REQUEST TIME OF 1934 MDT ON SEPTEMBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

VERY ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THROUGH
MIDNIGHT. NORTHERLY TRANSPORT WINDS ARE EXPECTED TO BECOME SOUTHEAST
TO SOUTH BY MIDNIGHT...OTHERWISE TERRAIN DRIVEN WINDS ARE EXPECTED
TONIGHT. MONSOONAL MOISTURE WILL CONTINUE TO SURGE NORTHWARD
SUNDAY...WITH ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS
ACROSS THE AREA SUNDAY.

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

FORECASTER...MURRELL

.REST OF TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40 PERCENT). VERY ISOLATED
                    SHOWERS AND THUNDERSTORMS THROUGH MIDNIGHT.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........55-60 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-8 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....SOUTHEAST 5 TO 10 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.NEAR ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SUNDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (65-75 PERCENT). ISOLATED RAIN
                    SHOWERS IN THE MORNING...THEN SCATTERED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........30-35 PERCENT.
20 FOOT WINDS.......WEST OR UPSLOPE/UPVALLEY 4-8 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH 5-10 MPH SHIFTING TO THE WEST AROUND
                    10 MPH BETWEEN 1200 AND 1400.
LAL.................1 UNTIL 1200...THEN 3.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AFTER
MIDNIGHT. LOWS AROUND 40. WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 30S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN
10 MPH.

.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...VAIL IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110910.VAILF.01/RIW