FNUS75 KRIW 121213
FWSRIW

SPOT FORECAST FOR RIVER BOTTOM PILE...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
513 AM MST FRI FEB 12 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 MST ON FEBRUARY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A MOSTLY CLOUDY...BUT DRY DAY IS EXPECTED OVER THE BURN SITE
TODAY. WINDS WILL CONTINUE TO BE LIGHT AND ARE EXPECTED TO
GENERALLY BE OUT OF THE SOUTHEAST...BUT PERIODS OF CALM OR LIGHT
AND VARIABLE WINDS CAN BE EXPECTED. A COLD FRONT IS EXPECTED TO
MOVE ACROSS THE BURN SITE SATURDAY AFTERNOON. AHEAD OF THE FRONT
EXPECT LIGHT AND VARIABLE WINDS. IN WAKE OF THE FRONT...EXPECT
NORTHWEST WINDS. THE STRONGEST NORTHWEST WINDS ARE EXPECTED TO
OCCUR SATURDAY EVENING...WHERE A PERIOD OF 10-15 MPH SUSTAINED
WINDS WITH HIGHER GUSTS COULD OCCUR. IN ADDITION...THERE IS A
SLIGHT CHANCE FOR SOME LIGHT SNOW SATURDAY AND SATURDAY
NIGHT...BUT NOTHING MAJOR.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).
MAX TEMPERATURE.....34-37.
MIN HUMIDITY........AROUND 50 PERCENT.
WIND (20 FT)........SOUTHEAST 2-4 MPH. PERIODS OF CALM WINDS.
RIDGE TOP WINDS.....SOUTHEAST 3-6 MPH.
MIXING HEIGHT.......INCREASING TO 1500 FT AGL BY EARLY AFTERNOON.
TRANSPORT WINDS.....SOUTH SOUTHEAST 4-8 MPH.
SMOKE DISPERSAL.....POOR (9000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY(50-60 PERCENT).
MIN TEMPERATURE.....AROUND 10.
MAX HUMIDITY........AROUND 90 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE.
RIDGE TOP WINDS.....LIGHT AND VARIABLE.
MIXING HEIGHT.......DECREASING TO LESS THAN 500 FT IN THE EARLY EVENING.
TRANSPORT WINDS.....LIGHT AND VARIABLE.
SMOKE DISPERSAL.....POOR.

.SATURDAY...
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
                    SNOW IN THE AFTERNOON.
MAX TEMPERATURE.....32-37.
MIN HUMIDITY........AROUND 55 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE...BECOMING NORTHWEST 3-6 MPH
                    AROUND 1500.
RIDGE TOP WINDS.....LIGHT AND VARIABLE...BECOMING NORTHWEST 5-10 MPH
                    AROUND 1500.
MIXING HEIGHT.......INCREASING TO AROUND 1500 FT AGL BY EARLY AFTERNOON.
TRANSPORT WINDS.....LIGHT AND VARIABLE...BECOMING NORTHWEST 5-10 MPH
                    AROUND 1500.
SMOKE DISPERSAL.....POOR.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW.
LOWS AROUND 11. WINDS GENERALLY LESS THAN 10 MPH...EXCEPT POSSIBLY
DURING THE EVENING WHEN NORTHWEST WINDS 10-15 MPH COULD OCCUR.
.SUNDAY...COLDER. PARTLY CLOUDY. LOWS AROUND 8. HIGHS IN THE MID
20S. WINDS GENERALLY LESS THAN 10 MPH.
.PRESIDENTS DAY...PARTLY CLOUDY. LOWS AROUND 10. HIGHS IN THE
LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY. LOWS AROUND 16. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...RANCE NEIGHBORS
REASON FOR REQUEST...PRESCRIBED
.TAG 20100212.RIVER.01/RIW