FNUS75 KRIW 252008
FWSRIW

SPOT FORECAST FOR RAMSHORN PEAK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
208 PM MDT TUE AUG 25 2009

FORECAST IS BASED ON REQUEST TIME OF 1323 MDT ON AUGUST 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WESTERLY FLOW ALOFT WILL CONTINUE TO TRANSPORT DRY AIR FROM
IDAHO INTO NORTHWEST WYOMING TONIGHT AND WEDNESDAY. THE CENTER OF
STRENGTHENING HIGH PRESSURE WILL MOVE OVER WESTERN WYOMING
WEDNESDAY. THE DRY AIR AND HIGH PRESSURE WILL NOT ALLOW FOR
THUNDERSTORM FORMATION WEDNESDAY AFTERNOON. THE FLOW ALOFT WILL
BECOME MORE WEST SOUTHWEST ON THURSDAY...ALLOWING THE RETURN OF
MID AND HIGH LEVEL MONSOON MOISTURE TO THE AREA. MONSOON MOISTURE
WILL CONTINUE TO INCREASE OVER THE REGION FRIDAY THROUGH THE
WEEKEND.

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

FORECASTER...CHURCH

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). A SLIGHT CHANCE
                    FOR AN ISOLATED THUNDERSTORM IN THE EVENING.
MIN TEMPERATURE.....41-44.
MAX HUMIDITY........53-58 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....NORTHWEST AROUND 5 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE FOR
                    AN ISOLATED THUNDERSTORM IN THE AFTERNOON.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........22-25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-6 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....NORTHWEST AROUND 5 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.LESS THAN 2 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...MOSTLY CLEAR. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS AROUND 40. WINDS GENERALLY
LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...CHURCH
REQUESTED BY...BOB EVANS
REASON FOR REQUEST...WILDFIRE
.TAG 20090825.RAMSH.01/RIW