FNUS75 KRIW 091841
FWSRIW

SPOT FORECAST FOR NORTH FORK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
1241 PM MDT SAT OCT 9 2010

FORECAST IS BASED ON REQUEST TIME OF 1158 MDT ON OCTOBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
NORTHWEST FLOW BEHIND THE DEPARTING STORM SYSTEM WILL BRING
WIDESPREAD SNOW SHOWERS AND SNOW FLURRIES TODAY. TEMPERATURES WILL
REMAIN COOL WITH HIGHER HUMIDITIES. DRIER AIR MOVES IN TONIGHT
WITH SNOW SHOWERS ENDING. SUNDAY WILL BE MOSTLY SUNNY AND WARMER.
CLOUDS WILL INCREASE FROM THE NORTH MONDAY. A COLD FRONT MOVES ACROSS
THE AREA MONDAY NIGHT SPREADING NUMEROUS RAIN SHOWERS TURNING TO SNOW SHOWERS
INTO THE AREA MONDAY NIGHT.

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

FORECASTER...LIPSON

.REST OF TODAY...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). OCCASIONAL LIGHT SNOW OR SNOW
                    FLURRIES THROUGH 1400. THEN ADDITIONAL SNOW SHOWERS
                    ARE EXPECTED FROM 1600 THROUGH 2030. THE SNOW
                    SHOWERS WILL BECOME MIXED WITH RAIN. AN INCH OR LESS OF
                    SNOWFALL ACCUMULATION MAY OCCUR.
MAX TEMPERATURE.....AROUND 39 AT 8600 FEET AND 34 AT 9360 FEET.
MIN HUMIDITY........53 PERCENT AT 8600 FEET AND 61 PERCENT AT 9360 FEET.
20 FOOT WINDS.......NORTHWEST WINDS 12 TO 14 MPH WITH GUSTS TO
                    AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.48 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....29-32.
MAX HUMIDITY........90-93 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 11 TO 14 MPH WITH GUSTS TO
                    AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.SUNDAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....47 AT 8600 FEET AND 42 AT 9360 FEET.
MIN HUMIDITY........43 AT 8600 FEET AND 50 PERCENT AT 9360 FEET.
20 FOOT WINDS.......NORTHWEST 10 TO 18 MPH UNTIL 0900.
                    THEN UPSLOPE/UPVALLEY 5-9 MPH FROM THE NORTHEAST.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH SHIFTING TO THE
                    NORTHEAST IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.COLUMBUS DAY...PARTLY CLOUDY. NUMEROUS SNOW SHOWERS AND
SCATTERED SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S.
WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS AND SNOW SHOWERS.
LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WINDS GENERALLY
LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CDC
REASON FOR REQUEST...WILDFIRE
.TAG 20101009.NORTH.01/RIW