FNUS75 KRIW 301910
FWSRIW

SPOT FORECAST FOR NORTON POINT...USDA - FS
NATIONAL WEATHER SERVICE RIVERTON WY
110 PM MDT SAT JUL 30 2011

FORECAST IS BASED ON REQUEST TIME OF 1245 MDT ON JULY 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE OVER THE SOUTHWESTER U.S. IS PUSHING SUBTROPICAL
MOISTURE INTO WESTERN WYOMING THIS AFTERNOON. ISOLATED SHOWERS AND
THUNDERSTORMS WILL DEVELOP FOR THE EVENING HOURS. HIGHER HUMIDITY
IS EXPECTED TOMORROW AS ATMOSPHERIC MOISTURE OVERSPREADS THE AREA.
INCREASED COVERAGE OF SHOWERS AND THUNDERSTORMS IS ALSO EXPECTED.
BREEZY TO WINDY CONDITIONS WILL DEVELOP SUNDAY EVENING.

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

FORECASTER...BERC

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS AFTER 6 PM.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........46-56 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS AROUND 8 MPH WITH GUSTS TO
                    AROUND 15 MPH EARLY IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 5-9 MPH AFTER 10 PM.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE SOUTH
                    AFTER MIDNIGHT...THEN SHIFTING BACK TO THE SOUTHWEST
                    AFTER 6 AM.
LAL.................2 UNTIL MIDNIGHT...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......7700-8700 FT AGL DECREASING TO 2700-3700 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 21 MPH SHIFTING TO THE SOUTH
                    AROUND 15 MPH AFTER MIDNIGHT...THEN SHIFTING BACK TO
                    THE SOUTHWEST AROUND 16 MPH AFTER 6 AM.
SMOKE DISPERSAL.....VERY GOOD (118300 KNOT-FT) DECREASING TO POOR
                    (20700 KNOT-FT) AFTER MIDNIGHT.

.SUNDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (65-75 PERCENT). ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS AFTER NOON.
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........23-26 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    AROUND 10 MPH WITH HIGHER GUSTS EARLY IN THE
                    AFTERNOON...THEN BECOMING UPSLOPE/UPVALLEY 5-9
                    MPH LATE IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
LAL.................2 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.14 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3000-4000 FT AGL INCREASING TO 5500-6300 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 17 TO 23 MPH.
SMOKE DISPERSAL.....FAIR (58600 KNOT-FT) INCREASING TO VERY GOOD
                    (109700 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY. SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 50. WINDS GENERALLY
LESS THAN 10 MPH.
.MONDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY
LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BERC
REQUESTED BY...JESSE DUHNKRACK
REASON FOR REQUEST...WILDFIRE
.TAG 20110730.NORTO.01/RIW