FNUS75 KRIW 042240
FWSRIW

SPOT FORECAST FOR RAMSHORN PEAK...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
440 PM MDT FRI SEP 4 2009

FORECAST IS BASED ON REQUEST TIME OF 1559 MDT ON SEPTEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...VERY ISOLATED SHOWERS OR THUNDERSTORMS MAY DEVELOP OVER
THE AREA THROUGH 9 PM. A RIDGE OF HIGH PRESSURE OVER THE EASTERN GREAT
BASIN WILL GRADUALLY SHIFT EAST AND WEAKEN THROUGH SATURDAY WITH A WEAK
DISTURBANCE CURRENTLY OVER CENTRAL CALIFORNIA MOVING INTO FAR WEST WYOMING
TOMORROW EVENING. A SOUTHERLY FLOW WILL PRECEDE THIS DISTURBANCE
SATURDAY ALONG WITH INCREASED MOISTURE/INSTABILITY. ISOLATED TO
WIDELY SCATTERED THUNDERSTORM COVERAGE IS EXPECTED OVER THE AREA
PRIMARILY FROM 1500 TO 2100 SATURDAY.



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

FORECASTER...MEUNIER

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). AN ISOLATED
                    SHOWER OR THUNDERSTORM POSSIBLE THROUGH 2200.
MIN TEMPERATURE.....45-49.
MAX HUMIDITY........53-58 PERCENT.
20 FOOT WINDS.......SOUTHWEST 4 TO 8 MPH WITH GUSTS TO 15 MPH THROUGH
                    2030 THEN DOWNSLOPE/DOWNVALLEY OR NORTH NORTHEAST
                    AROUND 5 MPH.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH THROUGH SUNSET...BECOMING
                    SOUTH/SOUTHEAST 5 TO 10 MPH AROUND MIDNIGHT.
LAL.................2 UNTIL 2200...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SATURDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....67 TO 70.
MIN HUMIDITY........23-26 PERCENT.
20 FOOT WINDS.......NORTH NORTHEAST 3 TO 5 MPH UNTIL 0900 THEN SOUTHWEST
                    5 TO 10 MPH...INCREASING TO 10 TO 15 MPH WITH
                    GUSTS NEAR 20 MPH AFTER 1200.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
LAL.................1 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 40S. WINDS GENERALLY LESS THAN
10 MPH.
.SUNDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 40. HIGHS AROUND 70. WINDS GENERALLY LESS THAN
10 MPH.
.LABOR DAY...COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS...
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS
AROUND 60. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S.
WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20090904.RAMSH.01/RIW