FNUS75 KBYZ 201202
FWSBYZ

SPOT FORECAST FOR SOUTH SLOPE 47...BIGHORN NATIONAL FOREST
NATIONAL WEATHER SERVICE BILLINGS MT
602 AM MDT FRI MAR 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MARCH 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A RIDGE OF HIGH PRESSURE WILL BE OVER THE BURN SITE TODAY.
ALTHOUGH MOSTLY CLOUDY SKIES CAN BE EXPECTED THIS MORNING...THESE
CLOUDS ARE EXPECTED TO MOVE OUT OF THE AREA BY LATER THIS MORNING
LEAVING PARTLY TO MOSTLY SUNNY SKIES FOR THE REMAINDER OF THE
DAY. A STORM SYSTEM WILL START TO AFFECT THE AREA SATURDAY
AFTERNOON INTO SATURDAY NIGHT BRINGING A CHANCE FOR A SHOWER OR
ISOLATED THUNDERSTORM.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......9800 FT AGL.
MIXING WINDS........WEST 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........63-68 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE EVENING BECOMING SOUTH 5 TO
                    15 MPH OVERNIGHT.
 RIDGETOP...........SOUTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................2.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 15 MPH.
 RIDGETOP...........SOUTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......11300 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 25 MPH.

$$
FORECASTER...HOOLEY
REQUESTED BY...CURTIS RASMUSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090320.SOUTH.01/BYZ