FNUS75 KRIW 291527
FWSRIW

SPOT FORECAST FOR NORTON POINT...USDA - FS
NATIONAL WEATHER SERVICE RIVERTON WY
927 AM MDT MON AUG 29 2011

FORECAST IS BASED ON REQUEST TIME OF 0852 MDT ON AUGUST 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

DRIER AIR IS MOVING IN FROM THE WEST THIS MORNING BRINGING
DECREASING CLOUD COVER TO THE FIRE AREA. ISOLATED SHOWERS AND
THUNDERSTORMS WILL DEVELOP THIS AFTERNOON DURING MAXIMUM DAYTIME
HEATING. A SLOW WARMING TREND CAN BE EXPECTED THROUGH WEDNESDAY
WITH BREEZY TO WINDY CONDITIONS PARTICULARLY DURING THE AFTERNOON
AND EVENING HOURS. WIND WILL BECOME STRONGER ON WEDNESDAY WITH THE
APPROACH OF A LARGE PACIFIC TROUGH OF LOW PRESSURE.

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

FORECASTER...BERC

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT) AFTER 1 PM.
                    SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........17-21 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 13 TO 15
                    MPH WITH GUSTS TO AROUND 30 MPH
                    AFTER 1 PM. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 TO 15 MPH SHIFTING TO THE
                    WEST AFTER NOON AND INCREASING TO AROUND 20 MPH.
LAL.................2.
CHC OF WETTING RAIN.11 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....42-45.
MAX HUMIDITY........43-50 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 8 TO 16 MPH. GUSTS UP TO 30 MPH
                    DECREASING TO 20 MPH AFTER MIDNIGHT. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE EVENING.
RIDGE TOP WINDS.....WEST NORTHWEST 20 TO 25 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........13-16 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 10 TO 11 MPH WITH HIGHER GUSTS
                    EARLY IN THE MORNING BECOMING UPSLOPE/UPVALLEY
                    5-9 MPH...THEN BECOMING WEST 13 TO 17 MPH WITH
                    GUSTS TO AROUND 30 MPH IN THE AFTERNOON. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH INCREASING TO AROUND 25 MPH
                    LATE IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.4 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. SOUTHWEST WINDS AROUND 11 MPH.
.THURSDAY...COOLER. PARTLY CLOUDY WITH CHANCE OF SHOWERS...
THUNDERSTORMS AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE
LOWER 30S. HIGHS IN THE MID 60S. WEST WINDS AROUND 11 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BERC
REQUESTED BY...KELLY CORNWALL
REASON FOR REQUEST...WILDFIRE
.TAG 20110829.NORTO.01/RIW