FNUS75 KTFX 311441
FWSTFX

SPOT FORECAST FOR ASHBRIDGE 1...LEWIS & CLARK NATIONAL FOREST
NATIONAL WEATHER SERVICE GREAT FALLS MT
841 AM MDT SUN MAY 31 2009

FORECAST IS BASED ON IGNITION TIME OF 0835 MDT ON MAY 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK COLD FRONT WILL LINGER JUST SOUTH OF THE AREA TODAY...KEEPING
WINDS GENERALLY OUT OF THE NORTH. A WEAK AREA OF INSTABILITY ALOFT
WILL ALSO MOVE OVER THE FIRE AREA THIS AFTERNOON...WHICH WILL HELP
BRING A CHANCE OF SHOWERS AND THUNDERSTORMS TO THE AREA DURING THE
LATE AFTERNOON AND EARLY EVENING HOURS. A STRONGER COLD FRONT WILL
THEN MOVE THROUGH THE FIRE AREA LATE TONIGHT INTO EARLY MONDAY
MORNING...WHICH WILL BRING GUSTY AND STRONGER NORTH WINDS DURING
THE MORNING HOURS. IT WILL ALSO BRING A COOLER AND MORE MOIST AIRMASS
TO THE AREA FOR THE DAY ON MONDAY. THERE WILL ALSO BE A SLIGHT CHANCE
OF RAIN SHOWERS...BUT THUNDERSTORMS ARE NOT EXPECTED...AS THE AIRMASS
WILL ALSO BE MORE STABLE.  COULSTON


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........NORTH WINDS 4 TO 7 MPH...INCREASING TO 5 TO 15 MPH
                    IN THE AFTERNOON.
RIDGE TOP WIND......NORTHWEST WINDS 15 TO 25 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........NORTHWEST AROUND 20 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    EVENING. CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
CWR.................15 PERCENT.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........83-88 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 15 MPH IN THE EARLY EVENING
                    BECOMING NORTHEAST 5 TO 10 MPH BY MIDNIGHT.
RIDGE TOP WIND......NORTHWEST WINDS 10 TO 20 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........NORTHEAST AROUND 10 MPH.

.MONDAY...

SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS.
CWR.................10 PERCENT.
MAX TEMPERATURE.....48-53.
MIN HUMIDITY........57-62 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 20 MPH WITH GUSTS TO AROUND
                    35 MPH IN THE MORNING DECREASING TO AROUND 10
                    MPH IN THE AFTERNOON.
RIDGE TOP WIND......NORTHWEST WINDS 15 TO 25 MPH IN THE MORNING
                    BECOMING NORTH 10 TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL.
MIXING WINDS........NORTH AROUND 25 MPH IN THE MORNING DECREASING
                    TO 10 TO 15 MPH IN THE AFTERNOON.

$$
FORECASTER...COULSTON
REQUESTED BY...MARK CONWAY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090531.ASHBR.01/TFX