FNUS75 KRIW 220850
FWSRIW

SPOT FORECAST FOR NORTON POINT...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
250 AM MDT THU SEP 22 2011

FORECAST IS BASED ON REQUEST TIME OF 1848 MDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UPPER RIDGE OF HIGH PRESSURE WILL CONTINUE TO
STRENGTHEN OVER THE ROCKIES TODAY...USHERING WARMER TEMPERATURES
AND A VERY DRY AND STABLE AIR MASS. SCATTERED HIGH CLOUDS WILL PUSH
IN ON FRIDAY WITH TEMPERATURES TRENDING SLIGHTLY WARMER. WINDS ARE
EXPECTED TO MOSTLY TERRAIN DRIVEN THROUGH THE PERIOD.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....65-68 ON VALLEY FLOORS...NEAR 60 ABOVE 9500 FEET.
MIN HUMIDITY........16-19 PERCENT.
20 FOOT WINDS.......NORTH NORTHWEST 5-9 MPH IN THE MORNING...
                    BECOMING NORTHWEST 10 MPH WITH GUSTS 15 TO
                    20 MPH ON THE WEST FLANK OF THE FIRE IN THE
                    AFTERNOON...WHILE UPSLOPE/UPVALLEY PRIMARILY
                    SOUTHEAST WINDS AT 10 TO 15 MPH PREVAIL
                    ON THE EASTERN FLANK OF THE FIRE.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH SHIFTING TO THE WEST
                    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.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........55-65 PERCENT.
20 FOOT WINDS.......NORTH TO NORTHWEST WINDS AROUND 10 MPH WITH
                    GUSTS TO AROUND 15 MPH UNTIL SUNSET BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-8 MPH OVERNIGHT.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH...BECOMING NORTH
                    AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....65-68 ON VALLEY FLOORS...NEAR 60 ABOVE 9500 FEET.
MIN HUMIDITY........21-24 PERCENT.
20 FOOT WINDS.......NORTH NORTHWEST 5-9 MPH IN THE MORNING...
                    BECOMING NORTHWEST 10 MPH WITH GUSTS 15 TO
                    20 MPH ON THE WEST FLANK OF THE FIRE IN THE
                    AFTERNOON...WHILE UPSLOPE/UPVALLEY PRIMARILY
                    SOUTHEAST WINDS AT 10 TO 15 MPH PREVAIL ON
                    THE EASTERN FLANK OF THE FIRE.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH.
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...
.FRIDAY NIGHT...CLEAR. LOWS IN THE LOWER 40S. WINDS GENERALLY
LESS THAN 10 MPH.

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

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

.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN THE
MID 30S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...DAVID WILKINS
REASON FOR REQUEST...WILDFIRE
.TAG 20110921.NORTO.01/RIW