FNUS75 KRIW 281345
FWSRIW

SPOT FORECAST FOR RED ROCK...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
745 AM MDT WED SEP 28 2011

FORECAST IS BASED ON REQUEST TIME OF 0702 MDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEAK...DRY COLD FRONT WILL MOVE ACROSS NORTHWEST WYOMING THIS
MORNING. MINIMUM RH AND TEMPERATURES IN WAKE OF THIS FRONT WILL BE
SIMILAR TO WHAT OCCURRED YESTERDAY...WITH MODERATE WESTERLY
WINDS THIS AFTERNOON...BUT NOTHING EXTREME. WARM AND VERY DRY CONDITIONS ARE THEN
EXPECTED THURSDAY AND FRIDAY...WITH MAINLY LIGHT AND TERRAIN DRIVEN
WINDS.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). AREAS OF SMOKE.
MAX TEMPERATURE.....66 AT 7500 FEET AND 53 AT 9800 FEET.
MIN HUMIDITY........25 PERCENT AT 7500 FEET AND 39 PERCENT AT 9800 FEET.
20 FOOT WINDS.......UPSLOPE/UPVALLEY FROM THE SOUTHEAST AT 5-9 MPH...THEN
                    WEST NORTHWEST AT 10 TO 15 MPH BY 1200.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500-3500 FT AGL INCREASING TO 4700-5700 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 17 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (31100-64900 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). AREAS OF SMOKE.
MIN TEMPERATURE.....32-35.
MAX HUMIDITY........77-85 PERCENT.
20 FOOT WINDS.......WEST NORTHWEST WINDS AROUND 8 MPH WITH GUSTS TO AROUND 15
                    MPH EARLY IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH FROM THE SOUTH BY 2100.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE SOUTHEAST 5
                    TO 10 MPH AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3700-4700 FT AGL DECREASING TO 1100-2100 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE SOUTHEAST 9
                    TO 10 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR TO FAIR (13000-50300 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT). AREAS OF SMOKE.
MAX TEMPERATURE.....67 AT 7500 FEET AND 54 AT 9800 FEET.
MIN HUMIDITY........24 PERCENT AT 7500 FEET AND 35 PERCENT AT 9800 FEET.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH FROM THE SOUTHEAST. THEN WEST
                    NORTHWEST AT 8 TO 12 MPH BY 1400.
RIDGE TOP WINDS.....SOUTHEAST 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.
MIXING HEIGHT.......2000-3000 FT AGL INCREASING TO 4900-5900 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 12 TO 13 MPH SHIFTING TO THE WEST 12
                    TO 14 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (14300-47200 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...CLEAR. LOWS IN THE MID 30S. WINDS GENERALLY
LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 30S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN
10 MPH.
.SUNDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS WITH POSSIBLE SNOW
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...ROD DYKEHOUSE
REASON FOR REQUEST...WILDFIRE
.TAG 20110928.REDRO.01/RIW