FNUS75 KRIW 201947
FWSRIW

SPOT FORECAST FOR RED ROCK...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
147 PM MDT WED JUL 20 2011

FORECAST IS BASED ON REQUEST TIME OF 1316 MDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEAK FRONTAL BOUNDARY WILL VEER THE WINDS TO AN EASTERLY
DIRECTION THIS EVENING BEFORE SHIFTING BACK TO A MORE WESTERLY DIRECTION
BY LATE THURSDAY. EXPECT INCREASINGLY WARM AND DRY CONDITIONS THROUGH FRIDAY.
INCREASING SOUTHWEST WINDS WILL OCCUR FRIDAY AHEAD OF AN APPROACHING
COLD FRONT. EXPECT COOLER AND DRY WEATHER FOR SATURDAY. WARMER AND DRY CONDITIONS
ARE EXPECTED FOR SUNDAY.

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

FORECASTER...LIPSON

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....55-58.
MAX HUMIDITY........47-50 PERCENT.
20 FOOT WINDS.......EAST NORTHEAST 4-7 MPH. WINDS WILL VEER TO THE SOUTHEAST
                    AT 3 TO 5 MPH BY MIDNIGHT. EAST NORTHEAST DOWNSLOPE
                    WINDS AT 2 TO 3 MPH AFTER 0300.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE SOUTHEAST
                    IN THE LATE EVENING AND OVERNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.THURSDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....81-83.
MIN HUMIDITY........30-32 PERCENT.
20 FOOT WINDS.......WESTERLY UPSLOPE 2-3 MPH. AFTER 0800 SOUTHEAST 4 TO 8 MPH.
                    WINDS BECOMING NORTHWEST 6 TO 12 MPH AFTER 1700.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE
                    SOUTHWEST LATE IN THE MORNING...THEN SHIFTING
                    TO THE WEST EARLY IN THE AFTERNOON INCREASING
                    TO AROUND 15 MPH LATE IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
80S. WINDS 10 TO 15 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
90S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
80S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CDC
REASON FOR REQUEST...WILDFIRE
.TAG 20110720.REDRO.01/RIW