FNUS75 KRIW 090009 CCA
FWSRIW

SPOT FORECAST FOR NORTON POINT...CORRECTED
NATIONAL WEATHER SERVICE RIVERTON WY
559 PM MDT MON AUG 8 2011

FORECAST IS BASED ON REQUEST TIME OF 1711 MDT ON AUGUST 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WESTERLY FLOW CONTINUES OVER THE AREA WITH WEAK TO
MODERATE INSTABILITY THE NEXT COUPLE OF DAYS. A WEAK DISTURBANCE
WILL MOVE THROUGH NORTHWEST WYOMING TUESDAY. THERE IS A SLIGHT
CHANCE OF EARLY MORNING SHOWERS AHEAD OF THE SYSTEM...THEN THE
SYSTEM WILL BRING ISOLATED TO SCATTERED THUNDERSTORMS IN THE
AFTERNOON TUESDAY. ERRATIC WINDS AS ALWAYS FROM THE STORMS. DO NOT
FORESEE ANY BIG CHANGES IN TEMP OR HUMIDITIES THE NEXT 24 TO 36
HOURS COMPARED TO THE LAST COUPLE OF DAYS. WEDNESDAY LOOKS TO BE
DRIER WITH LESS CHANCE OF STORMS.

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

FORECASTER...MCDONALD

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-60 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EARLY EVENING.
                    ISOLATED SHOWERS AND THUNDERSTORMS ALSO POSSIBLE
                    AFTER 0300.
MIN TEMPERATURE.....38-42.
MAX HUMIDITY........70-80 PERCENT.
20 FOOT WINDS.......WEST WINDS AROUND 8 MPH WITH GUSTS TO AROUND 15
                    MPH EARLY IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH. POSSIBLE NORTHWEST
                    WINDS AROUND 12 MPH WITH GUSTS TO 20 MPH AFTER
                    0300.  GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH DECREASING TO 8 TO 10 MPH
                    AFTER 2200.  POSSIBLE SHIFT TO NORTHWEST AROUND
                    AFTER 0300.
LAL.................2.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS LATE IN THE MORNING...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....66-72.
MIN HUMIDITY........18-25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    10 TO 12 MPH WITH GUSTS 20 TO 25 MPH BY 1200.
                    THEN NORTHWEST AROUND 10 TO 15 MPH WITH HIGHER
                    GUSTS AROUND 1700. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST AROUND 15 MPH WITH GUSTS 20 TO 25 MPH.
LAL.................2 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.15 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TUESDAY NIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) BECOMING PARTLY
                    CLOUDY (30-40 PERCENT) AFTER MIDNIGHT. ISOLATED
                    TO SCATTERED SHOWERS AND THUNDERSTORMS IN
                    THE EVENING.
MIN TEMPERATURE.....38-42.
MAX HUMIDITY........65-80 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH HIGHER GUSTS
                    BECOMING DOWNSLOPE/DOWNVALLEY 5-8 MPH BY 0000.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST AROUND 15 MPH WITH GUSTS 20 MPH...DECREASING
                    TO AROUND 10 MPH BY 0000.
LAL.................3 UNTIL 0000...THEN 1.
CHC OF WETTING RAIN.15 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 70.
WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MCDONALD
REQUESTED BY...JAY SLAGOWSKI
REASON FOR REQUEST...WILDFIRE
.TAG 20110808.NORTO.01/RIW