FNUS75 KRIW 231012
FWSRIW

SPOT FORECAST FOR NORTON POINT...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
412 AM MDT FRI SEP 23 2011

FORECAST IS BASED ON REQUEST TIME OF 1851 MDT ON SEPTEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AN AREA OF HIGH PRESSURE WILL REMAIN OVER THE BURN SITE TODAY AND
SATURDAY. THIS WILL RESULT IN WARM AND VERY DRY CONDITIONS...WITH
LIGHT...MAINLY TERRAIN DRIVEN WIND. LITTLE DAILY CHANGE IS
EXPECTED WITH WEATHER PARAMETERS TODAY AND SATURDAY. WINDS ARE
EXPECTED TO BE SLIGHTLY STRONGER...FROM THE WEST TO SOUTHWEST
SUNDAY AFTERNOON...AS A WEAK STORM SYSTEM APPROACHES WESTERN
WYOMING. THIS WEAK SYSTEM AND THE ASSOCIATED COLD FRONT WILL MOVE
ACROSS THE AREA MONDAY. MOISTURE WILL BE LIMITED...SO CHANCES OF
RAIN SHOWERS WILL REMAIN SLIM...BUT COOLER AIR IS EXPECTED. BREEZY
CONDITIONS WILL BE POSSIBLE MONDAY.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........10-15 PERCENT.
20 FOOT WINDS.......WEST FLANK OF FIRE...NORTHWEST 5-10 MPH.
                    GUSTS TO 20 MPH IN THE AFTERNOON.
                    EAST FLANK OF FIRE...UPSLOPE/UPVALLEY
                    PRIMARILY SOUTHEAST WINDS 5 TO 10 MPH.
RIDGE TOP WINDS.....NORTH NORTHWEST AROUND 5 MPH...BECOMING WEST
                    NORTHWEST AROUND 10 MPH BETWEEN NOON AND 1400.
                    GUSTS TO 20 MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....38-42.
MAX HUMIDITY........45-50 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST NORTHWEST AROUND 10 MPH...BECOMING
                    LIGHT AND VARIABLE BY AROUND 2100.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........16-19 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....LIGHT AND VARIABLE...BECOMING SOUTH TO SOUTHWEST
                    4-8 MPH BY 1400.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH.

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

.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE MID 30S. HIGHS AROUND 60. WESTERLY WINDS 10-15 MPH. GUSTS
AROUND 30 MPH.

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

$$

FORECASTER...MURRELL
REQUESTED BY...DAVID WILKINS
REASON FOR REQUEST...WILDFIRE
.TAG 20110922.NORTO.01/RIW