FNUS75 KRIW 050253
FWSRIW

SPOT FORECAST FOR POLE CREEK...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
852 PM MDT SAT SEP 4 2010

FORECAST IS BASED ON IGNITION TIME OF 2010 MDT ON SEPTEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...STRONG WEST WIND WILL CONTINUE TO DIMINISH THIS
EVENING...DECOUPLING AT THE LOWER ELEVATIONS WITH SOME STRONGER GUSTS
AT RIDGE TOP THROUGH 2200L AND BECOMING LIGHT NORTHWEST AT
BY MIDNIGHT. RELATIVE HUMIDITY RECOVERY WILL BE POOR TONIGHT.
A STRONG COLD FRONT IS ON SCHEDULE TO IMPACT THE AREA SUNDAY WITH
WINDS PICKING UP IN THE LATE MORNING WITH THE COLD FRONTAL PASSAGE
AROUND NOON.  STRONG WEST NORTHWEST WIND WILL FOLLOW THE FRONT SUNDAY
AFTERNOON ALONG WITH A MUCH COLDER AND STABLE AIRMASS. WEST
NORTHWEST WIND WILL NOT LIKELY DIMINISH UNTIL EARLY MONDAY
MORNING. TEMPERATURES WILL BE NEAR FREEZING BY DAWN MONDAY.



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

FORECASTER...MEUNIER

.REST OF TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....55-58.
MAX HUMIDITY........30-33 PERCENT.
20 FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS NEAR 25 MPH...BECOMING
                    NORTH NORTHWEST 5 TO 9 MPH AROUND MIDNIGHT.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH WITH GUSTS TO 30 MPH...BECOMING
                    NORTHWEST 10 TO 15 MPH AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6500 FT AGL DECREASING TO 3400-4400 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST NORTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....VERY GOOD (122200 KNOT-FT) DECREASING TO GOOD
                    (69500 KNOT-FT) AFTER MIDNIGHT.

.SUNDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) IN THE MORNING...BECOMING
                    PARTLY CLOUDY (40-50 PERCENT) BY NOON.
MAX TEMPERATURE.....61-64.
MIN HUMIDITY........17-20 PERCENT.
20 FOOT WINDS.......WEST NORTHWEST 5-9 MPH BECOMING WEST SOUTHWEST
                    12 TO 18 MPH WITH GUSTS TO 25 MPH AFTER 1000 THEN
                    WEST NORTHWEST 25 TO 30 MPH WITH GUSTS 40 TO 45 MPH
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH INCREASING TO 30 TO 35 MPH
                    IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3400-4400 FT AGL INCREASING TO 7900-8900 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST SOUTHWEST 15 TO 20 MPH INCREASING TO WEST 25 TO
                    30 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (69800 KNOT-FT) INCREASING TO EXCELLENT
                    (191100 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...COLDER. PARTLY CLOUDY.  LOWS IN THE UPPER 20S.
NORTHWEST WINDS AROUND 20 TO 25 MPH WITH GUSTS 30 TO 35 MPH IN THE
EVENING...BECOMING NORTH NORTHWEST 5 TO 10 MPH AFTER MIDNIGHT.
.LABOR DAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY. CHANCE OF SHOWERS...THUNDERSTORMS AND
SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...TIDC
REASON FOR REQUEST...PRESCRIBED
.TAG 20100904.POLEC.02/RIW