FNUS75 KRIW 071409
FWSRIW

SPOT FORECAST FOR NORTH FORK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
809 AM MDT TUE SEP 7 2010

FORECAST IS BASED ON REQUEST TIME OF 0755 MDT ON SEPTEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WITH DRY BREEZY CONDITIONS WILL BE OVER THE FIRE AREA
TODAY AND TONIGHT.  SOME SUBTROPICAL MOISTURE WILL MOVE NORTH AS THE
FLOW ALOFT BACKS TO THE SOUTHWEST ON WEDNESDAY WITH INCREASING WINDS
AND ISOLATED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ON
WEDNESDAY.

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

FORECASTER...C.BAKER

.TODAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....62-65.
MIN HUMIDITY........13-16 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 12 TO 15 MPH WITH GUSTS TO
                    AROUND25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....39-42.
MAX HUMIDITY........50-55 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
                    AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). ISOLATED
                    THUNDERSTORMS INCREASING IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........25-30 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS TO
                    AROUND 40 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
LAL.................2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. SOUTHWEST WINDS AROUND 25 MPH.
.THURSDAY...SHOWERS LIKELY WITH POSSIBLE SNOW SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S.
SOUTHWEST WINDS AROUND 20 MPH.
.FRIDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER
50S. WEST WINDS AROUND 15 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 15 MPH.

$$

FORECASTER...C.BAKER
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20100907.NORTH.01/RIW