FNUS75 KBYZ 071542
FWSBYZ

SPOT FORECAST FOR RED GRADE PILES...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
842 AM MST FRI DEC 7 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON DECEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SCATTERED SNOW SHOWERS ARE EXPECTED AT THE BURN SITE THIS
AFTERNOON WITH WEST TO NORTHWEST WINDS. RIDGE TOP WINDS COULD
GUST UP TO 35 MPH WITH STRONG WINDS OFF THE SURFACE MIXING
DOWN. THE ATMOSPHERE WILL REMAIN UNSTABLE THROUGHOUT THE FORECAST
PERIOD FAVORING MIXING. WINDS WILL TURN MORE TO THE
WEST OVERNIGHT WITH GUSTS UP TO 40 MPH POSSIBLE. SNOW WILL BECOME
MORE WIDESPREAD ON SATURDAY WITH WINDS GUSTING UP TO 35 MPH ON THE
RIDGE TOPS...WHICH WILL LIKELY CAUSE AREAS OF BLOWING SNOW.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS.
MAX TEMPERATURE.....23-28.
MIN HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 20 TO 35 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........WEST 20 TO 35 MPH.
HAINES INDEX........3.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS OVERNIGHT.
MIN TEMPERATURE.....5-10.
MAX HUMIDITY........92-97 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
                    OVERNIGHT.
 RIDGETOP...........WEST 25 TO 40 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........WEST 25 TO 40 MPH.
HAINES INDEX........3.

.SATURDAY...

SKY/WEATHER.........CLOUDY. SCATTERED SNOW SHOWERS IN THE
x09x09x09x09x09MORNING...BECOMING WIDESPREAD SNOW IN
x09x09x09x09x09THE AFTERNOON. AREAS OF BLOWING SNOW
x09x09x09x09x09POSSIBLE IN THE AFTERNOON.
MAX TEMPERATURE.....14-19.
MIN HUMIDITY........70-75 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 15 TO 25 MPH.
 RIDGETOP...........NORTHWEST 20 TO 35 MPH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........NORTHWEST 20 TO 35 MPH.
HAINES INDEX........3.

$$
FORECASTER...CHURCH
REQUESTED BY...JON WARDER
TYPE OF REQUEST...PRESCRIBED
.TAG 20121207.REDGR.01/BYZ