FNUS75 KRIW 161452
FWSRIW

SPOT FORECAST FOR NORTON POINT...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
852 AM MDT FRI SEP 16 2011

FORECAST IS BASED ON REQUEST TIME OF 0822 MDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AN APPROACHING TROUGH WILL BRING INCREASING CLOUDS THIS MORNING
FOLLOWED BY NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS THIS
AFTERNOON THROUGH LATE SATURDAY MORNING. THOUGH MUCH OF THE
PRECIPITATION IS EXPECTED THROUGH LATE EVENING.  GUSTY SOUTHWEST
TO WEST GENERAL WINDS ARE EXPECTED. A SECONDARY TROUGH WILL
MOVE THROUGH SATURDAY BRINGING ANOTHER CHANCE OF SHOWERS AND
THUNDERSTORMS.  GUSTY SOUTHWEST TO WEST WINDS PERSIST INTO MONDAY.


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

FORECASTER...T.BAKER

.TODAY...
SKY/WEATHER.........CLOUDY (80-90 PERCENT). ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN NUMEROUS
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....59-62.
MIN HUMIDITY........45-50 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 12
                    TO 14 MPH WITH GUSTS TO AROUND 25 MPH IN THE
                    AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST TO WEST 15 TO 20 MPH GUSTS TO 35 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
LAL.................2.
CHC OF WETTING RAIN.NEAR 100 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........CLOUDY (85-95 PERCENT). NUMEROUS RAIN SHOWERS
                    IN THE EVENING. ISOLATED THUNDERSTORMS THROUGH
                    THE NIGHT. SCATTERED RAIN SHOWERS AND SNOW
                    SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....33-36.
MAX HUMIDITY........AROUND 100 PERCENT.
20 FOOT WINDS.......WEST WINDS 8 TO 13 MPH WITH GUSTS TO 25 MPH. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH GUSTS TO 35 MPH.
LAL.................2.
CHC OF WETTING RAIN.90 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.SATURDAY...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (55-65 PERCENT). SCATTERED RAIN
                    SHOWERS THROUGH THE DAY. ISOLATED THUNDERSTORMS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....51-54.
MIN HUMIDITY........35-40 PERCENT.
20 FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
                    INCREASING TO 30 MPH IN THE AFTERNOON. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH GUSTS TO 35 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.20 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST
WINDS AROUND 10-20 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WEST WINDS 10-20 MPH.
.MONDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WEST WINDS 10-20 MPH.
.TUESDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...T.BAKER
REQUESTED BY...KELLY CORNWALL
REASON FOR REQUEST...WILDFIRE
.TAG 20110916.NORTO.01/RIW