FNUS75 KRIW 041004
FWSRIW

SPOT FORECAST FOR RED ROCK...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
404 AM MDT SUN SEP 4 2011

FORECAST IS BASED ON REQUEST TIME OF 2140 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WARM AND DRY CONDITIONS WITH MAINLY LIGHT AND TERRAIN DRIVEN WINDS
ARE EXPECTED OVER THE WILDFIRE AREA TODAY. THE UPVALLEY FLOW SHOULD
RESULT IN MAINLY NORTHERLY WIND IN THE GOOSEWING DRAINAGES. MINIMUM
RH IS EXPECTED TO BE SLIGHTLY LOWER THAN WHAT OCCURRED YESTERDAY.
SOME MOISTURE WILL BEGIN TO SURGE NORTHWARD MONDAY AHEAD OF A WEAK
DISTURBANCE THAT WILL AFFECT THE REGION MONDAY NIGHT AND TUESDAY.
ISOLATED SHOWER AND THUNDERSTORM ACTIVITY WILL BE POSSIBLE LATE
MONDAY AFTERNOON THROUGH TUESDAY. THE BEST CHANCE WILL BE TUESDAY
AFTERNOON...BUT COVERAGE IS ONLY EXPECTED TO BE ISOLATED.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........15-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS TO 15 MPH.
                    MAINLY NORTHERLY WIND IN THE GOOSEWING
                    DRAINAGES.
RIDGE TOP WINDS.....SOUTH SOUTHEAST 5 TO 10 MPH SHIFTING TO THE
                    SOUTHWEST IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2500 FT AGL INCREASING TO 6800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST TO WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR (23300 KNOT-FT) INCREASING TO GOOD (69400
                    KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....30-35 VALLEY.  45-50 RIDGE TOP.
MAX HUMIDITY........75-80 PERCENT VALLEY.  AROUND 35 PERCENT
                    RIDGE TOP.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15
                    MPH.
RIDGE TOP WINDS.....SOUTHWEST 5-10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5200 FT AGL DECREASING TO 1200 FT AGL
                    BY 2100.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH..
SMOKE DISPERSAL.....GOOD (56800 KNOT-FT) DECREASING TO POOR (22000
                    KNOT-FT) BY 2100.

.MONDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT) THEN BECOMING PARTLY
                    CLOUDY (45-55 PERCENT). ISOLATED SHOWERS AND
                    THUNDERSTORMS AFTER 1500.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........AROUND 15 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS TO 18 MPH.
                    MAINLY NORTHWEST TO NORTH WIND IN THE GOOSEWING
                    DRAINAGES. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    ANY THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE WEST 10 TO
                    15 MPH IN THE AFTERNOON.
LAL.................1 UNTIL 1500...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3600 FT AGL INCREASING TO 8900 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE WEST
                    10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (46900 KNOT-FT) INCREASING TO VERY GOOD
                    (110700 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

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

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

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

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

$$

FORECASTER...MURRELL
REQUESTED BY...VAIL LOOKOUT
REASON FOR REQUEST...WILDFIRE
.TAG 20110903.REDRO.02/RIW