FNUS75 KBYZ 221115
FWSBYZ

SPOT FORECAST FOR BATTLE PARK RX...BIGHORN NATIONAL FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
515 AM MDT FRI OCT 22 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

RELATIVE HUMIDITIES ALREADY IN THE LOWER 20S THIS MORNING.
TEMPERATURES WILL BE A FEW DEGREES COOLER THAN
YESTERDAY...RESULTING IN SLIGHTLY HIGHER MIN RELATIVE HUMIDITIES.
EXPECT HIGH CLOUDS TO INCREASE THROUGH THE DAY FROM THE SOUTH.
WINDS WILL BE LIGHT SLOPE DOMINANT AGAIN TODAY. EXPECT MARGINAL
RH RECOVERY TONIGHT WITH LIGHT SLOPE DOMINANT WINDS. SLIGHT
CHANCE OF WETTING RAIN SATURDAY...WITH HIGHER RELATIVE HUMIDITIES
AND STRONGER RIDGETOP WINDS. COLD FRONT STILL ON TRACK FOR LATE
SUNDAY...WITH STRONG WEST TO NORTHWEST WINDS SUNDAY AFTERNOON
THROUGH MONDAY EVENING AND A GOOD CHANCE OF WETTING RAIN/SNOW
SUNDAY NIGHT INTO MONDAY. CHAMBERS

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....56-60.
MIN HUMIDITY........14-18 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/VALLEY 4 TO 8 MPH...BECOMING
                    UP SLOPE/VALLEY 6 TO 12 MPH.
 RIDGETOP...........SOUTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......3600 FT AGL.
MIXING WINDS........SOUTH 10 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....35-39.
MAX HUMIDITY........42-48 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 6 TO 12 MPH...BECOMING
                    DOWN SLOPE/VALLEY 4 TO 8 MPH LATE.
 RIDGETOP...........NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHEAST 10 TO 15 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS.
CWR.................10 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....46-50.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......DOWN SLOPE/VALLEY 4 TO 8 MPH...BECOMING
                    UP SLOPE/VALLEY 6 TO 12 MPH.
 RIDGETOP...........WEST 8 TO 12 MPH.
MIXING HEIGHT.......4900 FT AGL.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.

$$
FORECASTER...CHAMBERS
REQUESTED BY...CURTIS RASMUSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20101022.BATTL.01/BYZ