FNUS75 KRIW 180833
FWSRIW

SPOT FORECAST FOR RED ROCK...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
233 AM MDT SUN SEP 18 2011

FORECAST IS BASED ON REQUEST TIME OF 1806 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COOL AND DRY WESTERLY FLOW WILL PREVAIL TODAY WITH
VARIABLE MID AND HIGH CLOUDS THROUGH LATE AFTERNOON.  WESTERLY BREEZES
WILL MIX DOWN IN THE AFTERNOON. A WARMER...DRIER AND STRONGER
WESTERLY FLOW WILL DEVELOP MONDAY AFTERNOON AHEAD OF A CANADIAN
COLD FRONT. THIS DRY FRONT WILL BRING COOLER TEMPERATURES AND LESS
WIND ON TUESDAY. MUCH WARMER AND DRY CONDITIONS ARE FORECAST
THURSDAY AND FRIDAY.

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

FORECASTER...MEUNIER

.SUNDAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)...DECREASING CLOUDS
                    AFTER 1500.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........23-27 PERCENT.
20 FOOT WINDS.......EAST SOUTHEAST OR UPSLOPE 4-7 MPH THROUGH 1000...
                    BECOMING WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH BETWEEN
                    NOON AND 1400.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO WEST AROUND 20 MPH
                    IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......LESS THAN 1000 FT AGL THROUGH 900...INCREASING TO
                    5200-6200 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH BY LATE MORNING...INCREASING TO AROUND 20
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR UNTIL 900...INCREASING TO GOOD IN THE AFTERNOON.

.SUNDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....32-35.
MAX HUMIDITY........79-87 PERCENT.
20 FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS NEAR 20 MPH THROUGH
                    SUNSET...BECOMING DOWNSLOPE/DOWNVALLEY OR EAST SOUTHEAST
                    4-7 MPH BY MIDNIGHT.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH BECOMING SOUTHWEST AROUND 10
                    MPH AFTER SUNSET.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400-5400 FT AGL DECREASING TO BELOW 1000 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH SHIFTING TO THE SOUTHWEST AROUND 10
                    MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD DECREASING TO POOR AFTER MIDNIGHT.

.MONDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....60-63.
MIN HUMIDITY........24-27 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY OR EAST SOUTHEAST 5-9 MPH
                    BECOMING WEST 15 TO 20 MPH WITH GUSTS NEAR
                    30 MPH BETWEEN NOON AND 1400.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH INCREASING TO WEST 30 TO 35
                    MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......BELOW 1000 FT AGL THROUGH 900...INCREASING TO
                    6300-7300 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH INCREASING TO WEST 30 TO 35 MPH
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR THROUGH 900 INCREASING TO EXCELLENT IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WIND WINDS 15 TO 25 MPH
IN THE EVENING DECREASING TO LESS THAN 10 MPH OVERNIGHT.

.TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS AROUND 60.
WINDS GENERALLY LESS THAN 10 MPH.

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

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

$$

FORECASTER...MEUNIER
REQUESTED BY...RR IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110917.REDRO.01/RIW