FNUS75 KRIW 190932
FWSRIW

SPOT FORECAST FOR NORTON POINT...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
332 AM MDT MON SEP 19 2011

FORECAST IS BASED ON REQUEST TIME OF 1921 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WARMER AND BREEZY TO WINDY CONDITIONS WILL DEVELOP
THIS AFTERNOON AHEAD OF A CANADIAN COLD FRONT.  THIS FRONT WILL PUSH
SOUTH...EAST OF THE DIVIDE THIS EVENING WITH POSSIBLY A FEW RAIN
AND SNOW SHOWERS (ABOVE 10000 FEET) BRIEFLY ACCOMPANYING THE FRONT
ALONG WITH AN ABRUPT WIND SHIFT FROM THE NORTH ON THE EASTERN
PORTION OF THE FIRE. THE FRONT WILL LINGER ALONG THE EAST SLOPES
OF THE DIVIDE TUESDAY WITH ISOLATED SHOWERS DEVELOPING ALONG THE
FRONT...NEAR THE EASTERN BORDER OF THE FIRE WHILE A COOL AND DRY
WESTERLY FLOW PREVAILS FURTHER WEST. A SLIGHT WARMING TREND WILL
FOLLOW ON WEDNESDAY WITH LIGHT WIND. MUCH WARMER CONDITIONS ARE
EXPECTED THURSDAY AND FRIDAY.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING...BECOMING
                    PARTLY CLOUDY (45-55 PERCENT) IN THE AFTERNOON.
MAX TEMPERATURE.....FROM 62-66 ON VALLEY FLOORS TO 57-60 ABOVE 9500 FEET.
MIN HUMIDITY........22-26 PERCENT.
20 FOOT WINDS.......NORTH NORTHWEST 5-9 MPH BECOMING WEST 15 TO 20
                    MPH WITH GUSTS 30 TO 35 MPH BETWEEN 1100 AND 1300.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH INCREASING TO 30 TO 35 MPH
                    IN THE 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 (55-65 PERCENT). ISOLATED RAIN SHOWERS...
                    SNOW SHOWERS ABOVE 10000 FEET...IN THE LATE EVENING
                    AND EARLY MORNING.
MIN TEMPERATURE.....33-36.
MAX HUMIDITY........83-87 PERCENT.
20 FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
                    MPH THROUGH SUNSET.  BECOMING NORTH NORTHWEST 10 TO 15 MPH
                    WITH GUSTS TO 25 MPH BETWEEN 2100 AND MIDNIGHT.
                    THEN BECOMING NORTH NORTHWEST 4 TO 8 MPH AFTER
                    0300.
RIDGE TOP WINDS.....WEST 30 TO 35 MPH BECOMING NORTHWEST 10 TO 15
                    MPH BETWEEN 2100 AND MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED RAIN
                    SHOWERS THROUGH THE DAY.
MAX TEMPERATURE.....54-57.
MIN HUMIDITY........34-37 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST NORTHWEST
                    AROUND 10 MPH WITH HIGHER GUSTS LATE IN THE AFTERNOON.
                    WINDS ON THE EASTERN PORTION OF THE FIRE WILL BE MORE
                    NORTH NORTHWEST IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH INCREASING TO AROUND 20 MPH
                    LATE IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 30S. WINDS
GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND
60. WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...DAVID WILKINS
REASON FOR REQUEST...WILDFIRE
.TAG 20110918.NORTO.01/RIW