FNUS75 KRIW 191958
FWSRIW

SPOT FORECAST FOR RAMSHORN PEAK...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
158 PM MDT WED AUG 19 2009

FORECAST IS BASED ON REQUEST TIME OF 1313 MDT ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DISTURBANCE WILL MOVE ACROSS MONTANA TODAY PUSHING A COLD FRONT
INTO AREAS EAST OF THE DIVIDE GIVING THE FIRE AREA A GLANCING BLOW.
THE ONLY AFFECT FROM THIS WEATHER DISTURBANCE WILL BE ANOTHER RELATIVELY
COOL NIGHT WITH ANY PRECIPITATION REMAINING WELL TO THE EAST.
A RIDGE OF HIGH PRESSURE WILL BUILD IN TONIGHT BRINGING IN WARM
AND VERY DRY CONDITIONS BEGINNING THURSDAY. TEMPERATURES WILL REBOUND TO
NEAR AND EVEN ABOVE NORMAL VALUES AND RH'S WILL BE IN THE 20S.
MONSOONAL MOISTURE WILL INCREASE SATURDAY WITH THE THUNDERSTORM
THREAT RETURNING AND CONTINUING INTO THE UPCOMING WEEK.

...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). FAIR WEATHER CUMULUS.                  AND THUND
MAX TEMPERATURE.....60.
MIN HUMIDITY........35 PERCENT.
20 FOOT WINDS.......SOUTHWEST 15 TO 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 25 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 (45-55 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........73 PERCENT.
20 FOOT WINDS.......SOUTHWEST 15 TO 25 MPH DECREASING TO 10 TO 15
                    MPH BY 2000. WINDS BECOMING WEST 10 TO 15 MPH BY MIDNIGHT.
                    THEN DOWNSLOPE/DOWNVALLEY WINDS OF 4-7 MPH BY 0300.
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE EAST
                    AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....67.
MIN HUMIDITY........24 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHEAST 8 TO 12
                    MPH BY 1000.
RIDGE TOP WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE
                    NORTHWEST IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 80. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...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.

$$

FORECASTER...LIPSON
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20090819.RAMSH.01/RIW