FNUS75 KRIW 061212
FWSRIW

SPOT FORECAST FOR POLE CREEK...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
612 AM MDT MON SEP 6 2010

FORECAST IS BASED ON IGNITION TIME OF 2050 MDT ON SEPTEMBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE HEART OF A COLD TROUGH OF LOW PRESSURE WILL BE OVER
THE AREA EARLY THIS MORNING WITH NEAR FREEZING TEMPERATURES.  MUCH COOLER
TEMPERATURES ARE EXPECTED TODAY BUT A VERY DRY AIRMASS WILL RESULT IN
QUITE LOW RELATIVE HUMIDITY THIS AFTERNOON.  WEST WIND WILL PREVAIL THROUGHOUT
THE DAY.  A MOSTLY CLEAR AND COLD NIGHT WILL PREVAIL TONIGHT AS SURFACE
HIGH PRESSURE BUILDS IN.  A MUCH WARMER SOUTHWEST FLOW IS EXPECTED
ON TUESDAY WITH A TREND TOWARD LOWER RELATIVE HUMIDITY AND A BIT HIGHER WIND
SPEEDS.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....50-53.
MIN HUMIDITY........20-23 PERCENT.
20 FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO 20 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH WITH GUSTS AROUND 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5600 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST NORTHWEST 10 TO 15 IN THE MORNING
                    INCREASING TO 20 TO 25 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR IN THE MORNING...VERY GOOD IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........53-58 PERCENT.
20 FOOT WINDS.......WEST 8 TO 13 MPH WITH GUSTS TO 20 MPH THROUGH 2000
                    BECOMING DOWNSLOPE OR EAST SOUTHEAST 4 TO 7 MPH
                    AFTER MIDNIGHT.
RIDGE TOP WINDS.....WEST AROUND 10 MPH IN THE EVENING BECOMING
                    SOUTHWEST 5 TO 10 MPH AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1500 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH IN THE EVENING BECOMING
                    SOUTHWEST 5 TO 10 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD...DECREASING TO POOR AFTER MIDNIGHT.

.TUESDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....65-68.
MIN HUMIDITY........13-16 PERCENT.
20 FOOT WINDS.......EAST SOUTHEAST 5-9 MPH BECOMING SOUTHWEST 12
                    TO 18 MPH WITH GUSTS TO AROUND 25 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH IN THE MORNING BECOMING SOUTHWEST
                    15 TO 20 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.......INCREASING TO 6600-7600 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 20 TO 25 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR...INCREASING TO EXCELLENT IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 45.
SOUTH WINDS AROUND 12 MPH.

.WEDNESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND 13 MPH.

.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
AFTERNOON THUNDERSTORMS. LOWS AROUND 40.  HIGHS IN THE 50S.
SOUTHWEST WINDS AROUND 15 TO 20 MPH IN THE AFTERNOON.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN OR SNOW SHOWERS.
LOWS IN THE 30S. HIGHS IN THE UPPER 40S. WEST WIND 10 TO 15 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...TIDC
REASON FOR REQUEST...PRESCRIBED
.TAG 20100905.POLEC.01/RIW