FNUS75 KRIW 270911
FWSRIW

SPOT FORECAST FOR NORTH FORK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
311 AM MDT MON SEP 27 2010

FORECAST IS BASED ON REQUEST TIME OF 1828 MDT ON SEPTEMBER 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COOL FRONT WILL APPROACH FROM THE NORTHEAST AND WASH OUT BY THE TIME
IT REACHES THE EAST SIDE OF THE DIVIDE THIS MORNING. OTHERWISE
CONTINUED WARM AND DRY CONDITIONS EXPECTED ACROSS THE DISPATCH AREA.
ANY INCREASE IN WIND WILL DRAMATICALLY INCREASE THE FIRE DANGER DURING THE
NEXT FEW DAYS. A COOL FRONT WILL PUSH SOUTH WEDNESDAY FOR SLIGHTLY COOLER
WEATHER WEDNESDAY AND THURSDAY.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........9-11 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH MAINLY FROM THE NORTHEAST.
RIDGE TOP WINDS.....WEST AROUND 15 MPH DECREASING TO AROUND 5 MPH
                    IN THE AFTERNOON.
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.....AROUND 33.
MAX HUMIDITY........75 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH FROM THE SOUTHWEST.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........9-11 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH MAINLY FROM THE NORTHEAST.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE WEST 5
                    TO 10 MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...CLEAR. LOWS IN THE MID 30S. WINDS GENERALLY LESS
THAN 10 MPH.
.WEDNESDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...ANGIE GAM
REASON FOR REQUEST...WILDFIRE
.TAG 20100926.NORTH.01/RIW