FNUS75 KBYZ 011446
FWSBYZ

SPOT FORECAST FOR BENCH...USFS BIGHORN NF
NATIONAL WEATHER SERVICE BILLINGS MT
846 AM MDT TUE NOV 1 2011

FORECAST IS BASED ON IGNITION TIME OF 0835 MDT ON NOVEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

COLD AND SNOWY OVER THE BURN SITE TODAY...WITH SNOW TAPERING OFF
AROUND MIDNIGHT. DOWNSLOPE/DOWNVALLEY WINDS THIS MORNING WILL
TAPER OFF...GIVING WAY TO NORTHWEST WINDS LATER THIS MORNING. WINDS WILL
SWITCH TO MORE UPSLOPE/UPVALLEY WINDS THIS EVENING...AND BECOME
WEST BY WEDNESDAY. TEMPERATURES WEDNESDAY WILL WARM UP TO THE LOW
30S AND CONDITIONS WILL DRY OUT SIGNIFICANTLY. TEMPERATURES WILL
CONTINUE TO TREND UPWARD THURSDAY...WITH ANOTHER WEATHER SYSTEM
INTO THE BURN SITE FRIDAY.

.TODAY...

SKY/WEATHER.........CLOUDY WITH SNOW.
CWR.................49 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....25-30.
MIN HUMIDITY........80-85 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWNSLOPE/DOWNVALLEY WINDS 5 TO 10 MPH...BECOMING
                    NORTHWEST AT 5 TO 15 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......6100 FT AGL.
MIXING WINDS........NORTH 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........CLOUDY. SNOW IN THE EVENING...THEN SCATTERED
                    SNOW SHOWERS OVERNIGHT.
CWR.................42 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....6-11.
MAX HUMIDITY........93-98 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 15 MPH...BECOMING UPSLOPE/UPVALLEY
                    AT 5 TO 15 MPH
 RIDGETOP...........NORTH 10 TO 20 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........NORTH 15 TO 25 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....30-35.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......6300 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.

$$
FORECASTER...GILSTAD/HOOLEY
REQUESTED BY...MARVIN MATTHIESEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20111101.BENCH.02/BYZ