FNUS75 KRIW 111637
FWSRIW

SPOT FORECAST FOR RIVER BOTTOM PILE...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
937 AM MST THU FEB 11 2010

FORECAST IS BASED ON IGNITION TIME OF 0910 MST ON FEBRUARY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DRY CONDITIONS WILL PERSIST OVER THE BURN SITE THROUGH FRIDAY
AFTERNOON UNDER A NORTHWESTERLY FLOW ALOFT. WITH PARTLY CLOUDY
SKIES FOUND OVER THE AREA TODAY...EXPECT WARMING TEMPERATURES
TODAY...WITH THE POTENTIAL TO PASS THE FREEZING MARK BY THIS
AFTERNOON. A WINTER WEATHER SYSTEM OVER WESTERN WYOMING WILL
INCREASE CLOUD COVER OVER THE BURN SITE FRIDAY...THOUGH CONDITIONS
ARE EXPECTED TO REMAIN DRY. EVEN WITH THE INCREASE OF CLOUD
COVER...TEMPERATURES ARE EXPECTED TO WARM AGAIN FRIDAY. WIND OVER
THE BURN SITE IS EXPECTED TO REMAIN GENERALLY LIGHT THROUGH
FRIDAY...WHICH WILL CONSEQUENTLY RESULT IN POOR SMOKE DISPERSAL.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).
MAX TEMPERATURE.....29-34.
MIN HUMIDITY........49-55 PERCENT.
WIND (20 FT)........SOUTH 5-9 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
MIXING HEIGHT.......INCREASING TO 1000-1500 FT AGL BY 1300.
TRANSPORT WINDS.....NORTH 5 TO 9 MPH.
SMOKE DISPERSAL.....POOR (7900-11300 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MIN TEMPERATURE.....11-16.
MAX HUMIDITY........94-100 PERCENT.
WIND (20 FT)........SOUTH 4-7 MPH.
RIDGE TOP WINDS.....SOUTH TO SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......DECREASING TO 600 FT AGL BY 0100.
TRANSPORT WINDS.....NORTH TO NORTHEAST 6 TO 10 MPH.
SMOKE DISPERSAL.....POOR (4500-6400 KNOT-FT).

.FRIDAY...
SKY/WEATHER.........BECOMING MOSTLY CLOUDY (70-80 PERCENT) BY
                    0600.
MAX TEMPERATURE.....32-37.
MIN HUMIDITY........53-58 PERCENT.
WIND (20 FT)........SOUTH 5-9 MPH.
RIDGE TOP WINDS.....SOUTH 8-12 MPH.
MIXING HEIGHT.......INCREASING SLIGHTLY TO 900 FT AGL BY 1300.
TRANSPORT WINDS.....NORTH 8 TO 12 MPH.
SMOKE DISPERSAL.....POOR (5900-8400 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...MOSTLY CLOUDY. LOWS AROUND 19. WINDS GENERALLY
LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS AROUND 11. HIGHS IN THE LOWER
30S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS AROUND 7. HIGHS IN THE UPPER 20S.
WINDS GENERALLY LESS THAN 10 MPH.
.PRESIDENTS DAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS
AROUND 14. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...RANCE NEIGHBORS
REASON FOR REQUEST...PRESCRIBED
.TAG 20100211.RIVER.01/RIW