FNUS75 KBYZ 041333
FWSBYZ

SPOT FORECAST FOR BATTLE PARK RX...BIGHORN NATIONAL FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
733 AM MDT SAT SEP 4 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON SEPTEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

FORECAST IS SIMILAR TO THE ANTELOPE UNIT FORECAST FOR THIS
MORNING. INCREASED WIND SPEEDS TODAY AND TONIGHT GIVEN HIGHER
MORE EXPOSED LOCATION. AN UPPER RIDGE OF HIGH PRESSURE WILL BRING
HOT AND DRY CONDITIONS ALONG WITH HUMIDITIES IN THE LOWER 20
PERCENT RANGE TODAY. A STRONG STORM SYSTEM AND COLD FRONT MOVES
IN FROM THE WEST TONIGHT. THIS WILL BRING ISOLATED SHOWERS AND
THUNDERSTORMS TO THE BURN SITE TONIGHT. THE STORM SYSTEM WILL
BRING MUCH COOLER TEMPERATURES ALONG WITH HIGHER MINIMUM RH
VALUES AND INCREASING CHANCE FOR SHOWERS AND THUNDERSTORMS TOMORROW.
TEMPERATURES WILL BE COLD SUNDAY NIGHT AND SNOW WILL BE POSSIBLE
AT THE BURN LOCATION.
CHAMBERS

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....62-68.
MIN HUMIDITY........20-26 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE 5 TO 10 MPH IN THE MORNING...BECOMING
                    WEST 8 TO 16 MPH IN THE AFTERNOON. OCCASIONAL
                    GUSTS TO 25 MPH IN THE AFTERNOON.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......7900 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS OVERNIGHT.
CWR.................10 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........49-54 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 10 TO 15 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS OVERNIGHT.
 RIDGETOP...........WEST 20 TO 35 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SCATTERED
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................18 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 10 TO 20 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 15 TO 30 MPH.
MIXING HEIGHT.......6400 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.



$$
FORECASTER...CHAMBERS
REQUESTED BY...CURTIS RASMUSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100904.BATTL.01/BYZ