FNUS75 KBYZ 081458
FWSBYZ

SPOT FORECAST FOR SIOUX PASS CC...BIA, CROW AGENCY
NATIONAL WEATHER SERVICE BILLINGS MT
758 AM MST FRI FEB 8 2013

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON FEBRUARY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A STORM SYSTEM OVER THE FOUR CORNERS REGION WILL SLOWLY MOVE
NORTHEAST TODAY BRINGING AN INCREASE IN CLOUDS ACROSS THE BURN
SITE. HOWEVER... MOST OF THESE CLOUDS WILL BE MID AND HIGH LEVEL
RESULTING IN SOME FILTERED SUNSHINE TODAY. A WEAK COLD FRONT WILL
MOVE THROUGH THE BURN SITE THIS AFTERNOON BRINGING A WIND SHIFT TO
THE NORTH. A STRONGER FRONT WILL MOVE THROUGH SATURDAY NIGHT
BRINGING GUSTY NORTHWEST WINDS. A CHANCE FOR SNOW SHOWERS CAN BE
EXPECTED TONIGHT AND SATURDAY WITH SNOW LIKELY SATURDAY NIGHT INTO
SUNDAY AS THE ABOVE MENTIONED STORM SYSTEM APPROACHES SOUTHERN
MONTANA. HOOLEY

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....35-40.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 15 MPH IN THE MORNING
                    SHIFTING TO THE NORTH IN THE AFTERNOON.
 RIDGETOP...........LIGHT WINDS.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH BECOMING EAST LATE.
HAINES INDEX........4.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.
CWR.................13 PERCENT.
MIN TEMPERATURE.....19-24.
MAX HUMIDITY........83-88 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH.
 RIDGETOP...........EAST 10 TO 20 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTH 5 TO 10 MPH.
HAINES INDEX........4.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.
CWR.................25 PERCENT.
MAX TEMPERATURE.....29-34.
MIN HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH.
 RIDGETOP...........EAST 15 TO 25 MPH.
MIXING HEIGHT.......2400 FT AGL.
MIXING WINDS........LIGHT WINDS.
HAINES INDEX........4.

$$
FORECASTER...HOOLEY
REQUESTED BY...BRYCE ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20130208.SIOUX.01/BYZ