FNUS75 KRIW 070153 CCA
FWSRIW

SPOT FORECAST FOR EAST COTTONWOOD...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
710 PM MDT SUN SEP 6 2009

FORECAST IS BASED ON REQUEST TIME OF 1816 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...BREEZY SOUTHWEST WIND WILL CONTINUE OVER THE FIRE AREA.
A COLD FRONT WILL PUSH INTO NORTHERN WY MONDAY WITH THE FRONT WASHING OUT
BEFORE IT EVER GETS TO THE FIRE AREA. SCATTERED SHOWERS AND THUNDERSTORMS
WILL FORM IN THE AFTERNOON AND CONTINUE INTO THE EVENING MONDAY. GUSTY WIND
AND SMALL HAIL WILL BE THE MAIN THREATS FROM THE STORMS.
A WIND SHIFT TO THE NORTHEAST WILL TAKE PLACE TUESDAY BETWEEN 0700
AND 1200. TUESDAY WILL HAVE ISOLATED SHOWERS IN THE MORNING.

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

FORECASTER...LIPSON

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ANOTHER ROUND
                    OF SHOWERS ALONG WITH SOME ISOLATED LIGHTNING STRIKES
                    SHOULD AFFECT THE FIRE AREA BETWEEN 1930 AND 2030.
                    RAINFALL AMOUNTS SHOULD AMOUNT TO LESS THAN ONE
                    TENTH OF SN INCH. DRIER AIR ALOFT WILL THEN WORK
                    INTO THE AREA WITH PARTIALLY CLEARING SKIES.
MIN TEMPERATURE.....47.
MAX HUMIDITY........87 PERCENT.
20 FOOT WINDS.......WEST WINDS 10 TO 20 MPH THROUGH 2030. THEN
                    WEST SOUTHWEST WINDS 10 TO 13 MPH AND GUSTY.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6400 FT AGL DECREASING TO 700 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 18 TO 25 MPH.
SMOKE DISPERSAL.....VERY GOOD (124400 KNOT-FT) DECREASING TO POOR
                    (11700 KNOT-FT) AFTER MIDNIGHT.

.LABOR DAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....70.
MIN HUMIDITY........30 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST WINDS 10 TO 14 MPH. GUSTS UP TO 25
                    MPH DECREASING TO 20 MPH IN THE LATE MORNING
                    AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.4 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5500 FT AGL INCREASING TO 10300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 18 TO 23 MPH.
SMOKE DISPERSAL.....GOOD (99000 KNOT-FT) INCREASING TO EXCELLENT
                    (190300 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 10 MPH.
.TUESDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20090906.EASTC.01/RIW