FNUS75 KRIW 091601
FWSRIW

SPOT FORECAST FOR WASHAKIE PILES - DICKINSON PARK...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
1001 AM MDT TUE OCT 9 2012

FORECAST IS BASED ON IGNITION TIME OF 0940 MDT ON OCTOBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ANY LOW CLOUDS SPILLING OVER THE BURN SITE THIS MORNING WILL
DISSIPATE LATE THIS MORNING...WITH GENERALLY CLEAR SKIES EXPECTED
TODAY. THE BURN SITE WILL BE ON THE EDGES OF AN AREA OF STRONGER
SURFACE WIND THIS AFTERNOON. THE FORECAST MENTIONS THE POSSIBILITY
FOR STRONGER WIND DEVELOPMENT KNOWING ITS PROXIMITY TO THE WIND
DEVELOPMENT. SOME STRONGER WIND MAY MOVE OVER THE BURN SITE. WIND
WILL INCREASE OVERNIGHT OVER THE BURN SITE...WITH STRONG WEST WIND
CONTINUING THROUGH WEDNESDAY. DRY CONDITIONS ARE EXPECTED FOR THE
NEXT COUPLE DAYS UNDER A DRY NORTHWEST FLOW PATTERN.

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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........BECOMING MOSTLY SUNNY (15-25 PERCENT) BY 1300.
MAX TEMPERATURE.....44-47.
MIN HUMIDITY........30-34 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. PERIODS OF NORTHWEST
                    WIND AT 10-15 MPH WITH GUSTS TO AROUND 25 MPH MAY
                    BE POSSIBLE AFTER 1200.
RIDGE TOP WINDS.....NORTHWEST 10-15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (27200-47400 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....29-32.
MAX HUMIDITY........54-57 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH BECOMING WEST 8 TO
                    13 MPH WITH GUSTS TO AROUND 25 MPH BY 0300.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800-2800 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 22 MPH.
SMOKE DISPERSAL.....POOR (26600-37200 KNOT-FT).

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....53-56.
MIN HUMIDITY........18-21 PERCENT.
20 FOOT WINDS.......BREEZY. WEST WINDS 19 TO 25 MPH. GUSTS UP TO 35
                    MPH INCREASING TO 45 MPH BY 1000...THEN
                    DECREASING TO 35 MPH BY 1500.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........INCREASING TO 4 OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH BY 1300.
MIXING HEIGHT.......1800-2800 FT AGL INCREASING TO 5100-6100 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 30 TO 37 MPH.
SMOKE DISPERSAL.....GOOD (61500 KNOT-FT) INCREASING TO VERY GOOD
                    (116800 KNOT-FT) AFTER 1300.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS
AROUND 17 MPH.

.THURSDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 50S. SOUTHWEST WINDS AROUND 12 MPH.

.FRIDAY...PARTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. NORTHWEST
WINDS AROUND 14 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...BARELA
REASON FOR REQUEST...PRESCRIBED
.TAG 20121010.WASHA.01/RIW