FNUS75 KBYZ 201238
FWSBYZ

SPOT FORECAST FOR BATTLE PARK RX...BIGHORN NATIONAL FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
638 AM MDT WED OCT 20 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL KEEP SUNNY AND DRY CONDITIONS FOR THE NEXT FEW
DAYS. WINDS WILL BE SLOPE DOMINANT...WITH RIDGE TOP WINDS/MIXING
WINDS OUT OF THE NORTHWEST AT 10 TO 15 MPH. RELATIVE HUMIDITIES
WILL BE IN THE MID TO UPPER 20S THIS AFTERNOON...AND AROUND 20
PERCENT ON THURSDAY. CHAMBERS

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....49-54.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING UP SLOPE/VALLEY 5
                    TO 10 MPH IN THE AFTERNOON.
 RIDGETOP...........NORTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......3600 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........44-49 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE EVENING BECOMING DOWN SLOPE/VALLEY 5
                    TO 10 MPH OVERNIGHT.
 RIDGETOP...........NORTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........18-23 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/ VALLEY 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......2900 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.

$$
FORECASTER...CHAMBERS
REQUESTED BY...CURTIS RASMUSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20101020.BATTL.01/BYZ