FNUS75 KRIW 200941
FWSRIW

SPOT FORECAST FOR RED ROCK...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
341 AM MDT TUE SEP 20 2011

FORECAST IS BASED ON REQUEST TIME OF 1746 MDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DRY AND COOLER NORTHWEST FLOW WILL PREVAIL OVER THE
AREA TODAY.  TEMPERATURES WILL TREND WARMER AND RELATIVE HUMIDITY
DRIER ON WEDNESDAY. THE WARMING TREND WILL CONTINUE INTO THURSDAY
AND FRIDAY AS AN UPPER RIDGE BUILDS FOR THE NEXT SEVERAL DAYS.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........22-26 PERCENT.
20 FOOT WINDS.......EAST NORTHEAST 4 TO 8 MPH IN THE MORNING...
                    BECOMING WEST 5 TO 10 MPH WITH GUSTS TO 15 MPH
                    BETWEEN NOON AND 1400.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......BELOW 1000 FT AGL THROUGH 0900...INCREASING
                    TO 4500-5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH IN THE MORNING...INCREASING TO
                    10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR IN THE MORNING...FAIR IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....31-34.
MAX HUMIDITY........73-80 PERCENT.
20 FOOT WINDS.......WEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15
                    MPH THROUGH SUNSET...THEN BECOMING EAST OR
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH THROUGH SUNSET...BECOMING
                    EAST SOUTHEAST AROUND 5 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.......4500-5500 FT AGL THROUGH SUNSET...DECREASING TO
                    BELOW 1000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH DECREASING AFTER SUNSET...THEN
                    SHIFTING TO THE SOUTHEAST AROUND 5 MPH EARLY
                    IN THE MORNING.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR AFTER MIDNIGHT.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....63-66.
MIN HUMIDITY........22-26 PERCENT.
20 FOOT WINDS.......EAST SOUTHEAST 4 TO 8 MPH IN THE MORNING...
                    BECOMING WEST NORTHWEST 5 TO 10 MPH WITH GUSTS TO 15 MPH
                    BETWEEN NOON AND 1400.
RIDGE TOP WINDS.....WEST NORTHWEST 5 TO 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4200-5200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR IN THE MORNING...BECOMING FAIR IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...CLEAR. LOWS IN THE MID 30S. WINDS GENERALLY
LESS THAN 10 MPH.

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

.FRIDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...RR IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110919.REDRO.01/RIW