FNUS75 KRIW 021309
FWSRIW

SPOT FORECAST FOR NORTH FORK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
709 AM MDT THU SEP 2 2010

FORECAST IS BASED ON REQUEST TIME OF 0643 MDT ON SEPTEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK COLD FRONT HAS PASSED THROUGH THE FIRE AREA BRINGING MORNING
CLOUDS AND LIGHT RAIN SHOWERS. TEMPERATURES WILL BE COOLER WITH
HIGHER HUMIDITY AND LIGHTER WINDS TODAY. A RIDGE OF HIGH PRESSURE
WILL BEGIN TO BUILD OVER THE REGION WITH A GENERALLY CLEAR SKY AND
STABLE ATMOSPHERE TONIGHT. THE LOWER LEVELS OF THE ATMOSPHERE WILL
DRY OUT THIS WEEKEND...LEADING TO LOWER RELATIVE HUMIDITIES. MINIMUM
HUMIDITIES COULD DROP TO 15 PERCENT OR LESS BY SUNDAY AFTERNOON WITH
THE HELP OF A SOUTHWEST WIND.

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

FORECASTER...C.BAKER

.TODAY...
SKY/WEATHER.........MORNING CLOUDS AND LIGHT RAIN SHOWERS...THEN
                    MOSTLY SUNNY BY 2 PM (15-25 PERCENT).
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........24-27 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE
                    NORTHEAST IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........3 OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........80-83 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 5 MPH SHIFTING TO THE WEST AFTER
                    MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FRIDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....65-68.
MIN HUMIDITY........18-21 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 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...MOSTLY CLEAR. LOWS IN THE MID 30S. WEST WINDS
AROUND 15 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. WEST WINDS AROUND 13 MPH.
.SUNDAY...PARTLY CLOUDY. CHANCE OF SNOW SHOWERS WITH POSSIBLE
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. SOUTHWEST WINDS AROUND 18 MPH.
.LABOR DAY...COOLER. PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS.
LOWS AROUND 30. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 14 MPH.

$$

FORECASTER...C.BAKER
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20100902.NORTH.01/RIW