FNUS75 KRIW 291127
FWSRIW

SPOT FORECAST FOR RED ROCK...TETON INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE RIVERTON WY
527 AM MDT THU SEP 29 2011

FORECAST IS BASED ON REQUEST TIME OF 1954 MDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A DRY COLD FRONT SAGGED SOUTH OVERNIGHT WITH COOL AND MOIST AIR.
THE HEAVIER MOIST AIR WILL TAKE A LITTLE WHILE TO SCOUR OUT THIS MORNING.
SKIES WILL REMAIN MOSTLY CLEAR AND TEMPERATURES WILL BE A FEW DEGREES
COOLER TODAY. MINIMUM RH'S WILL RUN A LITTLE HIGHER. RIDGING BUILDS BACK
IN ON FRIDAY AND HOLDS UNTIL SATURDAY AFTERNOON WHEN INCREASED CLOUD COVER
AND SPRINKLES MAY OCCUR. ON SUNDAY THERE WILL BE A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.

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

FORECASTER...ALLEN

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). AREAS OF SMOKE.
MAX TEMPERATURE.....64-68.
MIN HUMIDITY........22-27 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE NORTH
                    SHIFTING TO THE WEST AFTER 1400 AT 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600-2600 FT AGL INCREASING TO 4700-5700 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE WEST
                    AFTER 1400 AT 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO FAIR.

.TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....33-36.
MAX HUMIDITY........71-78 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3600-4600 FT AGL DECREASING TO 700-1400 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....FAIR TO POOR.

.FRIDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....67-71.
MIN HUMIDITY........19-22 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH SHIFTING TO THE WEST 10 TO 15
                    MPH AFTER 1300.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2500-3500 FT AGL INCREASING TO 6900-7900 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH SHIFTING TO THE WEST 10 TO 15
                    MPH AFTER 1300.
SMOKE DISPERSAL.....POOR...INCREASING TO GOOD AFTER 1300.


.FORECAST DAYS 3 THROUGH 5...

.FRIDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY WITH OCCASIONAL SPRINKLES.
HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH.

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

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

$$

FORECASTER...ALLEN
REQUESTED BY...E3441
REASON FOR REQUEST...WILDFIRE
.TAG 20110928.REDRO.02/RIW