FNUS75 KRIW 020921
FWSRIW

SPOT FORECAST FOR RED ROCK...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
321 AM MDT FRI SEP 2 2011

FORECAST IS BASED ON REQUEST TIME OF 1950 MDT ON SEPTEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

MILD AND DRY CONDITIONS WILL OCCUR ACROSS THE FIRE SITE THROUGH
SUNDAY. BREEZY WEST TO NORTHWEST WINDS ARE EXPECTED TO DEVELOP THIS
AFTERNOON...WITH MINIMUM RH BETWEEN 15 AND 20 PERCENT. WEAKER WINDS
AND SLIGHTLY HIGHER RH ARE EXPECTED SATURDAY.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........SUNNY (5-10 PERCENT).
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........15-20 PERCENT.
20 FOOT WINDS.......EAST TO SOUTHEAST 3-6 MPH BECOMING
                    WEST TO NORTHWEST 10-15 MPH AROUND NOON.
                    GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE WEST
                    AROUND 15-20 MPH IN THE EARLY AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500 FT AGL INCREASING TO 4700-5700 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST SOUTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....FAIR (48600 KNOT-FT) INCREASING TO VERY GOOD
                    (112600 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........CLEAR (5 PERCENT).
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........60-65 PERCENT.
20 FOOT WINDS.......WEST NORTHWEST WIND 5-10 MPH BECOMING
                    EAST TO SOUTHEAST 3-6 MPH BY 2200.
RIDGE TOP WINDS.....WEST 12 TO 18 MPH SHIFTING TO THE SOUTHWEST 4 TO
                    8 MPH BY 2200.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3300-4300 FT AGL DECREASING TO 1100-1700 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 12 TO 18 MPH SHIFTING TO THE SOUTHWEST 4 TO
                    8 MPH BY 2200.
SMOKE DISPERSAL.....GOOD (82000 KNOT-FT) DECREASING TO POOR (20000
                    KNOT-FT) BY 2200.

.SATURDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........20-25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP WINDS.....WEST SOUTHWEST 5-10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 7000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR (11300 KNOT-FT) INCREASING TO GOOD (73200
                    KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.SATURDAY NIGHT...CLEAR. LOWS IN THE LOWER 30S. WINDS GENERALLY
LESS THAN 10 MPH.

.SUNDAY...CLEAR. LOWS AROUND 40. HIGHS IN THE LOWER 70S. WINDS
GENERALLY LESS THAN 10 MPH.

.LABOR DAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE LOWER 70S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...MURPHY
REASON FOR REQUEST...WILDFIRE
.TAG 20110901.REDRO.01/RIW