FNUS75 KBYZ 081333
FWSBYZ

SPOT FORECAST FOR YELLOWSTONE RIVER RANCH PILES...BLM
NATIONAL WEATHER SERVICE BILLINGS MT
633 AM MST TUE FEB 8 2011

FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON FEBRUARY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ARCTIC HIGH PRESSURE WILL BE OVER THE REGION TODAY AND WEDNESDAY.
TEMPERATURES WILL NOT GET ABOVE FREEZING UNTIL THURSDAY WHICH
WILL KEEP THE CURRENT SNOWPACK IN PLACE. LIGHT WINDS WILL BE OVER
THE BURN AREA TODAY AND TONIGHT WHICH WILL RESULT IN POOR SMOKE
DISPERSION. THE ARCTIC HIGH PRESSURE SYSTEM WILL BEGIN MOVING OUT
OF THE AREA TOMORROW AFTERNOON WHICH WILL RESULT IN GUSTY WEST
WINDS DEVELOPING BY EARLY AFTERNOON. WEST WINDS OF 15 TO 30 MPH
ARE EXPECTED. THE SKY WILL BE MOSTLY SUNNY THIS AFTERNOON AND
WEDNESDAY WITH NO PRECIPITATION EXPECTED.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED FLURRIES.
MAX TEMPERATURE.....10-15.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING NORTHEAST 5
                    TO 10 MPH IN THE AFTERNOON.
 RIDGETOP...........EAST 5 TO 15 MPH.
MIXING HEIGHT.......700 FT AGL.
MIXING WINDS........EAST 5 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....3 BELOW-8 BELOW ZERO.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE EVENING BECOMING WEST 5 TO
                    10 MPH OVERNIGHT.
 RIDGETOP...........NORTHWEST 5 TO 15 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY. AREAS OF BLOWING SNOW.
MAX TEMPERATURE.....23-28.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 10 TO 20 MPH.
 RIDGETOP...........WEST 25 TO 40 MPH.
MIXING HEIGHT.......1900 FT AGL.
MIXING WINDS........WEST 15 TO 30 MPH.

$$
FORECASTER...RICHMOND
REQUESTED BY...BOB FARRELL
TYPE OF REQUEST...PRESCRIBED
.TAG 20110208.YELLO.02/BYZ