FNUS75 KRIW 172002
FWSRIW

SPOT FORECAST FOR RAMSHORN PEAK...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
202 PM MDT MON AUG 17 2009

FORECAST IS BASED ON REQUEST TIME OF 1319 MDT ON AUGUST 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE DRYING AND WARMING TREND WILL CONTINUE TODAY AND TUESDAY.
ISOLATED SHOWERS AND THUNDERSTORMS ARE POSSIBLE...WITH GUSTY WINDS
AND LIGHTNING BEING THE PRIMARY HAZARDS.  A DISTURBANCE WILL MOVE
ACROSS CENTRAL AND EASTERN MONTANA TUESDAY BRINGING THE RETURN OF
WIDELY SCATTERED THUNDERSTORMS. WEST WINDS WILL INCREASE LATER
TUESDAY.  A STRONGER SYSTEM WILL TAKE A SIMILAR TRACK ON
WEDNESDAY.  AN ASSOCIATED COLD FRONT WILL MOVE THROUGH WEDNESDAY
AFTERNOON WITH LOW CLOUDS AND COLDER TEMPERATURES MOVING IN.  A FEW
SHOWERS AND POSSIBLY A THUNDERSTORM ARE EXPECTED. A RIDGE WILL BUILD
IN THURSDAY AND ON THROUGH THE WEEKEND WITH SOME MONSOONAL MOISTURE
POSSIBLY MOVING IN OVER THE WEEKEND.  MUCH WARMER AND DRIER AIR WILL
MOVE BACK IN.

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

FORECASTER...LIPSON

.REST OF TODAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS DEVELOPING BY 1500.
MAX TEMPERATURE.....56-59.
MIN HUMIDITY........27-30 PERCENT.
20 FOOT WINDS.......SOUTHWEST 5 TO 15 MPH WITH GUSTS TO 20 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
LAL.................2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....36-39.
MAX HUMIDITY........89-92 PERCENT.
20 FOOT WINDS.......WEST 10 TO 15 MPH UNTIL 2000. THEN DECREASING TO 4-7 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....NORTHWEST 10 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....63-66.
MIN HUMIDITY........20-22 PERCENT.
20 FOOT WINDS.......WEST 5-9 MPH WITH GUSTS UP TO 15 MPH. WEST WINDS INCREASING
                    TO 10 TO 20 MPH BY 1400 AND THEN TO 15 TO 25 MPH BY 2200.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 20 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...BOB EVANS
REASON FOR REQUEST...WILDFIRE
.TAG 20090817.RAMSH.01/RIW