FNUS75 KRIW 150902
FWSRIW

SPOT FORECAST FOR RED ROCK...TETON INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE RIVERTON WY
302 AM MDT THU SEP 15 2011

FORECAST IS BASED ON REQUEST TIME OF 1911 MDT ON SEPTEMBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A BRIEF RIDGE OF HIGH PRESSURE MOVES IN TODAY FOR A DRY
DAY WITH WARMER TEMPERATURES. HOWEVER...A NEW STORM SYSTEM
WILL MOVE IN FRIDAY LEADING TO ANOTHER ROUND OF SHOWERS AND
THUNDERSTORMS BY FRIDAY AFTERNOON AND EVENING. ANOTHER SYSTEM
MAY BRING ANOTHER ROUND OF SHOWERS AND A FEW THUNDERSTORMS ON
SATURDAY.


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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG
                    AND LOW CLOUDS POSSIBLE UNTIL 1000L.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........32-35 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE
                    WEST IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....34-36.
MAX HUMIDITY........80-85 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH SHIFTING TO THE SOUTH
                    IN THE LATE EVENING AND OVERNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FRIDAY...
SKY/WEATHER.........CLOUDY (75-85 PERCENT). ISOLATED RAIN SHOWERS
                    IN THE MORNING...THEN NUMEROUS RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....58-63...FALLING INTO THE 40S LATE IN THE AFTERNOON
                    AS RAIN BEGINS.
MIN HUMIDITY........45-49 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    AROUND 12 MPH WITH HIGHER GUSTS IN THE
                    AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 20 MPH IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.60 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN SCATTERED SHOWERS AND SNOW
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. WINDS GENERALLY LESS
THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S.
WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60.
WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...RED ROCK IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110914.REDRO.02/RIW