FNUS75 KRIW 151914
FWSRIW

SPOT FORECAST FOR RAMSHORN...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
114 PM MDT SAT AUG 15 2009

FORECAST IS BASED ON REQUEST TIME OF 1240 MDT ON AUGUST 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN AREA OF LOW PRESSURE NORTH OF WYOMING CONTINUES TO DRAG
MOISTURE AND ASSOCIATED SHOWERS AND THUNDERSTORMS ACROSS THE AREA
THIS AFTERNOON. ISOLATED RAIN SHOWERS AND THUNDERSTORMS REMAIN
POSSIBLE OVER THE FIRE THIS AFTERNOON. MAIN AREA OF PRECIPITATION
EAST OF THE FIRE FOR NOW...THOUGH ADDITIONAL SHOWER ACTIVITY
CONTINUES TO DEVELOP TO THE WEST OF THE FIRE WHICH MAY MOVE OVER
THE FIRE. SHOWERS THIS AFTERNOON MAY PRODUCE ERRATIC WIND OF 40
MPH. TEMPERATURES WILL COOL THROUGH THE DAY AND INTO TONIGHT
ALLOWING ISOLATED SNOW SHOWERS TO DEVELOP AFTER MIDNIGHT. LITTLE
SNOW ACCUMULATION IS EXPECTED WITH ANY SNOW SHOWERS TONIGHT.
FURTHER DISTURBANCES IN THE FLOW PATTERN WILL BRING ADDITIONAL
ISOLATED SHOWERS AND THUNDERSTORMS OVER THE FIRE ON SUNDAY WITH
ACTIVITY LINGERING THROUGH SUNDAY NIGHT. TEMPERATURES WILL BEGIN
TO REBOUND MONDAY AS A DRIER NORTHWEST FLOW MOVES OVER THE FIRE
DURING THE AFTERNOON. SHOWERS AND THUNDERSTORMS WILL CONTINUE
MONDAY AFTERNOON AND EVENING...AND ARE EXPECTED TO END BY THE LATE
EVENING HOURS.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SCATTERED RAIN SHOWERS
                    POSSIBLE THROUGH THE AFTERNOON...WITH ISOLATED
                    THUNDERSTORMS POSSIBLE.
MAX TEMPERATURE.....48-54.
MIN HUMIDITY........57-64 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH INCREASING TO SOUTHWEST
                    AT AROUND 12 MPH AFTER 1400. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 12 TO 18 MPH.
LAL.................2.
CHC OF WETTING RAIN.54 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5100 FT AGL BY 1400.
TRANSPORT WINDS.....SOUTHWEST 10 TO 18 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (43600-74500 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (80-95 PERCENT). SCATTERED RAIN SHOWERS
                    AND SNOW SHOWERS THROUGH 2300...THEN SLIGHT
                    CHANCE OF SNOW SHOWERS AND ISOLATED RAIN
                    SHOWERS.
MIN TEMPERATURE.....28-32.
MAX HUMIDITY........93-100 PERCENT.
20 FOOT WINDS.......WEST WINDS 10 TO 15 MPH AND GUSTY THROUGH 2200
                    THEN BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.34 PERCENT THROUGH 2300...THEN AROUND 5
                    PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 900 FT AGL BY 0200.
TRANSPORT WINDS.....WEST 13 TO 20 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (9500-44900 KNOT-FT).

.SUNDAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SCATTERED RAIN
                    SHOWERS THROUGH THE DAY...WITH SCATTERED
                    THUNDERSTORMS POSSIBLE AFTER 1200.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........37-43 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST AT 10
                    TO 15 MPH WITH HIGHER GUSTS AFTER 1400.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....BECOMING WEST 10 TO 15 MPH BY 1000.
LAL.................1 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.7 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5100 FT AGL BY 1400.
TRANSPORT WINDS.....WEST 10 TO 15 MPH INCREASING TO AROUND 20 MPH
                    BY 1500.
SMOKE DISPERSAL.....POOR TO GOOD (33300-81500 KNOT-FT).

.FORECAST DAYS 3 THROUGH 7...
.SUNDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS THROUGH 2200...THEN SLIGHT CHANCE OF
SHOWERS. LOWS OF 28 TO 32. NORTHWEST WIND GENERALLY LESS THAN
15 MPH. HAINES OF 3. MIXING HEIGHT DECREASING TO AROUND 700 FT AGL.
CHC OF WETTING RAIN AROUND 5 PERCENT WITH AN LAL OF 2 THROUGH 2200.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS THROUGH THE
DAY WITH THUNDERSTORMS DEVELOPING IN THE AFTERNOON. LOWS OF 36 TO 40...
AND HIGH TEMPERATURES OF 56-60.
WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 30S. HIGHS AROUND 60. WINDS GENERALLY LESS THAN
10 MPH.
.THURSDAY...PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE UPPER
60S.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S.

$$

FORECASTER...BRANHAM
REQUESTED BY...TRACY FIFAREK
REASON FOR REQUEST...WILDFIRE
.TAG 20090815.RAMSH.01/RIW