FNUS75 KRIW 240910
FWSRIW

SPOT FORECAST FOR NORTH FORK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
310 AM MDT FRI SEP 24 2010

FORECAST IS BASED ON REQUEST TIME OF 2126 MDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DRY AND WARMER WESTERLY FLOW WILL PREVAIL TODAY
AHEAD OF A COLD FRONT PUSHING SOUTH ACROSS NORTHERN WYOMING.  GUSTY
WEST WIND AND LOW RELATIVE HUMIDITY WILL LIKELY CAUSE ANY HOT SPOTS
TO FLARE UP TODAY. WINDS WILL DIMINISH WITH SUNSET TONIGHT WITH
BETTER RELATIVE HUMIDITY RECOVERY. AN UPPER RIDGE OF HIGH PRESSURE
WILL BUILD IN OVER THE WEEKEND WITH TEMPERATURES TRENDING WARMER
BUT WINDS REMAINING RELATIVELY LIGHT AND UPSLOPE ON SATURDAY. WARMER
TEMPERATURES AND A DRIER AIRMASS ARE EXPECTED ON SUNDAY WITH
WESTERLY BREEZES KICKING UP IN THE AFTERNOON.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....59-62.
MIN HUMIDITY........16-19 PERCENT.

20 FOOT WINDS.......WEST 12 TO 18 MPH WITH GUSTS 30 TO 35 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).

MIN TEMPERATURE.....35-38.
MAX HUMIDITY........62-65 PERCENT.

20 FOOT WINDS.......WEST WINDS 12 TO 18 MPH WITH GUSTS TO AROUND 30
                    MPH UNTIL EARLY MORNING BECOMING
                    SOUTHWEST 5-9 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH BECOMING NORTHWEST
                    AROUND 15 MPH BY MIDNIGHT.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SATURDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).

MAX TEMPERATURE.....64-67.
MIN HUMIDITY........17-20 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH BECOMING NORTH 5 TO 10 MPH
                    IN THE AFTERNOON.

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

.SUNDAY...CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S. WINDS
GENERALLY LESS THAN 10 MPH.

.MONDAY...MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.

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

$$

FORECASTER...MEUNIER
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20100923.NORTH.01/RIW