FNUS75 KRIW 251018
FWSRIW

SPOT FORECAST FOR NORTH FORK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
418 AM MDT SAT SEP 25 2010

FORECAST IS BASED ON REQUEST TIME OF 2008 MDT ON SEPTEMBER 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN UPPER RIDGE OF HIGH PRESSURE WILL BE OVER THE
AREA TODAY ALONG WITH LIGHT UPSLOPE WIND...WARMER TEMPERATURES
AND NOT MUCH TREND FROM YESTERDAY FOR RELATIVE HUMIDITY. WEST
SOUTHWEST WIND WILL PICK UP TONIGHT WITH A MUCH DRIER AND WARMER
AIRMASS OVER THE AREA SUNDAY ALONG WITH CONTINUED GUSTY WEST WIND.
A WEAK DRY COLD FRONT WILL PUSH SOUTH...EAST OF THE
DIVIDE...SUNDAY NIGHT WITH WINDS DIMINISHING AFTER MIDNIGHT. DRY
AND WARM WEATHER IS EXPECTED THROUGH THE UPCOMING WEEK.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....65-68.
MIN HUMIDITY........18-21 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH SHIFTING TO THE WEST
                    EARLY IN THE AFTERNOON.

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

.TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....41-44.
MAX HUMIDITY........43-48 PERCENT.

20 FOOT WINDS.......WEST SOUTHWEST 4-7 MPH INCREASING TO 10 TO 15 MPH
                    WITH GUSTS NEAR 30 MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....SOUTHWEST AROUND 5 MPH INCREASING TO 10 TO 15 MPH
                    AFTER MIDNIGHT.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SUNDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........11-14 PERCENT.

20 FOOT WINDS.......WEST SOUTHWEST 10 TO 15 MPH WITH GUSTS 30 TO 35 MPH.
RIDGE TOP WINDS.....WEST 12 TO 18 MPH.

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...
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS AROUND
13 MPH.

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

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

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

$$

FORECASTER...MEUNIER
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20100924.NORTH.01/RIW