FNUS75 KBYZ 301207
FWSBYZ

SPOT FORECAST FOR BATTLE PARK  7...USFS
NATIONAL WEATHER SERVICE BILLINGS MT
607 AM MDT FRI SEP 30 2011

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON SEPTEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 10 AM SATURDAY TO MIDNIGHT MDT
SATURDAY NIGHT...

.DISCUSSION...
A RIDGE OF HIGH PRESSURE WILL BRING WARM AND DRY WEATHER TO THE
SITE. HUMIDITIES WILL FALL TO AROUND 20 PERCENT TODAY BUT WILL
FALL INTO THE TEENS SATURDAY. A RED FLAG WARNING HAS BEEN ISSUED
FOR SATURDAY FOR THE VERY LOW HUMIDITIES AND INCREASING WINDS.
WINDS WILL FOLLOW DIURNAL TRENDS WITH UPSLOPE WINDS BY LATE
MORNING BOTH DAYS. THE WINDS WILL GUST TO NEARLY 20 MPH IN THE
AFTERNOON. WINDS WILL TURN DOWNSLOPE DURING THE EVENING. A COLD
FRONT WILL MOVE INTO THE SITE SATURDAY EVENING BUT SHOULD ONLY
COOL THINGS DOWN SLIGHTLY SUNDAY. MORE SIGNIFICANT COOLING IS
EXPECTED BY MID WEEK. TWH


.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 4 TO 12 MPH.
                    GUSTS TO 18 MPH IN THE AFTERNOON.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......6800 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST TO SOUTHEAST WINDS 4 TO 12 MPH.
 RIDGETOP...........WEST 5 TO 15 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.

.SATURDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........14-19 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 4 TO 12 MPH.
                    GUSTS TO 18 MPH IN THE AFTERNOON.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......7800 FT AGL.
MIXING WINDS........SOUTHWEST 10 TO 20 MPH.

$$
FORECASTER...HUMPHREY
REQUESTED BY...ORTNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20110930.BATTL.01/BYZ