FNUS75 KRIW 121731
FWSRIW

SPOT FORECAST FOR OTTER CREEK...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
1131 AM MDT FRI AUG 12 2011

FORECAST IS BASED ON REQUEST TIME OF 1054 MDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY HIGH PRESSURE WILL BUILD OVER NORTHERN AND CENTRAL WYOMING
LATE TONIGHT THROUGH SATURDAY WITH DRY CONDITIONS.  A WEAK UPPER LEVEL
DISTURBANCE WILL TRACK EAST ACROSS SOUTHERN MONTANA THIS AFTERNOON
BUT WILL ONLY PRODUCE SOME AFTERNOON CUMULUS CLOUDS. TEMPERATURES WILL WARM
THROUGH SATURDAY WITH LOWER RELATIVE HUMIDITY.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT) THEN BECOMING PARTLY
                    CLOUDY WITH SOME CUMULUS CLOUDS (30-40 PERCENT).
MAX TEMPERATURE.....82-85.
MIN HUMIDITY........21-23 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-5 MPH. BY 1600 WINDS WILL BECOME
                    SOUTHEAST AT 4 TO 7 MPH BY 1600.
RIDGE TOP WINDS.....SOUTH AROUND 5 MPH SHIFTING TO THE WEST IN THE
                    LATE MORNING AND AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
                    CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....55-58.
MAX HUMIDITY........54-57 PERCENT.
20 FOOT WINDS.......NORTHWEST 9 TO 14 MPH WITH A FEW GUSTS TO 20 MPH. WINDS
                    BECOMING SOUTHEAST 5 TO 10 MPH BY MIDNIGHT.
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH SHIFTING TO THE EAST 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.

.SATURDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....86-89.
MIN HUMIDITY........18-20 PERCENT.
20 FOOT WINDS.......SOUTHEAST 5-9 MPH.
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH SHIFTING TO THE
                    SOUTHWEST 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...
.SATURDAY NIGHT...CLEAR. LOWS AROUND 60. WINDS GENERALLY LESS
THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. CHANCE OF THUNDERSTORMS AND ISOLATED
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20110812.OTTER.01/RIW