FNUS75 KMSO 181448
FWSMSO

SPOT FORECAST FOR PETTY ROCK 4
NATIONAL WEATHER SERVICE MISSOULA MT
848 AM MDT MON MAY 18 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL CONTINUE OVER THE BURN TODAY.
CLOUD COVER THIS MORNING HAS BEEN PRODUCING VERY LIGHT
SHOWERS. THERE IS ENOUGH INSTABILITY FOR AN ISOLATED THUNDERSTORM
THIS AFTERNOON WITH VERY LITTLE TO NO PRECIP EXPECTED. WINDS WILL
INCREASE THIS AFTERNOON TODAY. HUMIDITY AND WINDS WILL INCREASE ON
TUESDAY AS A COLD FRONT IS ANTICIPATED TO PASS TUESDAY AFTERNOON
WITH A BETTER CHANCE FOR THUNDERSTORMS AND RAIN.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. INTERMITTENT SHOWERS THROUGH THE
                    DAY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........VARIABLE 2-5 MPH BECOMING WEST 6-10 MPH WITH GUSTS IN THE 20S
                    IN THE AFTERNOON.
MIXING HEIGHT.......6900 FT AGL.
MIXING WINDS........WEST 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                    THE EVENING.
CWR.................10 PERCENT.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........58-63 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5-12 MPH AND GUSTY IN THE
                    EVENING BECOMING VARIABLE 3-6 MPH.
MIXING HEIGHT.......1800 FT AGL.
MIXING WINDS........WEST 5 MPH.

.TUESDAY...

SKY/WEATHER.........CHANCE OF SHOWERS IN THE MORNING. SLIGHT CHANCE
                    OF THUNDERSTORMS THROUGH THE DAY. SHOWERS
                    LIKELY IN THE AFTERNOON.
CWR.................50 PERCENT.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........37-42 PERCENT.
WIND (20 FT)........WEST WINDS 5-14 MPH. GUSTS UP TO 25 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......4400 FT AGL.
MIXING WINDS........WEST 20 MPH.

$$
FORECASTER...KITSMILLER
REQUESTED BY...JEFFREY HAYES
TYPE OF REQUEST...PRESCRIBED
.TAG 20090518.PETTY.01/MSO