FNUS75 KRIW 160217
FWSRIW

SPOT FORECAST FOR WEST SLOPE BIGHORNS SLASH PILE BURNS...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
717 PM MST THU NOV 15 2012

FORECAST IS BASED ON IGNITION TIME OF 1756 MST ON NOVEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WEATHER WILL OCCUR FRIDAY AND SATURDAY OVER THE
BURN AREA. WIND WILL BE LIGHT AND MAINLY DRIVEN BY THE TERRAIN.
THUS THE MIXING WILL NOT BE VERY GOOD WHICH WILL IMPACT SMOKE
DISPERSAL.

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

FORECASTER...AR

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....38-43.
MIN HUMIDITY........40-45 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 4 TO 7 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.
HAINES INDEX........3 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST AT 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....25-30.
MAX HUMIDITY........75-80 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY AT 4 TO 6 MPH.
RIDGE TOP WINDS.....SOUTH TO SOUTHWEST AT 5 TO 8 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 500-800 FEET AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....VARIABLE IN DIRECTION AT 4 TO 7 MPH.
SMOKE DISPERSAL.....POOR.

.SATURDAY...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....38-43.
MIN HUMIDITY........45-50 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 5 TO 8 MPH.
RIDGE TOP WINDS.....SOUTHWEST AT 5 TO 9 MPH.
HAINES INDEX........3 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3500-4500.
TRANSPORT WINDS.....WEST AT 7 TO 12 MPH.
SMOKE DISPERSAL.....POOR IN THE MORNING....POOR TO FAIR BY 1200.

.FORECAST DAYS 3 THROUGH 5...

.SATURDAY NIGHT...PARTLY CLOUDY. LOWS 25 TO 30. WINDS
LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY. HIGHS AROUND 40.
WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...PARTLY CLOUDY. LOWS IN THE 20S. HIGHS IN THE
UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW.
LOWS 25 TO 30. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...MICHAEL MATTMILLER
REASON FOR REQUEST...PRESCRIBED
.TAG 20121116.WESTS.01/RIW