FNUS75 KTFX 100207
FWSTFX

SPOT FORECAST FOR INDIAN TRAIL...USFS - LEWIS & CLARK NF
NATIONAL WEATHER SERVICE GREAT FALLS MT
807 PM MDT WED SEP 9 2009

FORECAST IS BASED ON REQUEST TIME OF 1938 MDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MAIN FOCUS ON WINDS FOR THIS DISCUSSION...WITH GENERAL SOUTHWEST
SLOPE ASPECT FOR THE FIRE...EXPECTING A WEAK NOCTURNAL INVERSION
TO DEVELOP...CUTTING OFF STRONGER WINDS OVERNIGHT. NIGHT TIME WINDS
SHOULD BE TERRAIN DOMINATED WITH DRAINAGE WINDS POSSIBLE BELOW THE
INVERSION LAYER...INVERSION WILL PROBABLY BREAK BY 11 AM...AND COULD
CAUSE A SUDDEN DRAMATIC SHIFT IN WINDS AS THEY INCREASE IN SPEED...UP
TO 15 MPH WITH GUST UP TO 25 OUT OF THE WEST SOUTHWEST. WINDS WILL
SHIFT IN THE LATE AFTERNOON/EARLY EVENING TO OUT OF THE THE WEST
NORTHWEST WHILE MAINTAINING THEIR SPEED UNTIL AROUND 8 PM THAT EVENING.


.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........36-40 PERCENT.
WIND (20 FT)........TERRAIN DOMINATED DRAINAGE WINDS PROBABLE...WIND
                    SPEEDS SHOULD NOT EXCEED 10 MPH OVERNIGHT.
RIDGE TOP WIND......SOUTHWEST WINDS 5 TO 1O MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........SOUTHWEST SHOULD INCREASE AGAIN AFTER INVERSION
                    LIFTS. DUE TO THE SOUTHWEST ASPECT OF THE SLOPE...
                    EXPECTING THE BREAKDOWN OF THE INVERSION AROUND
                    11 AM. SOUTHWEST WINDS COULD SUDDENLY REACH SUSTAINED
                    SPEEDS AROUND 10 TO 15 MPH WITH GUSTS UP 25 THROUGHOUT
                    THE AFTERNOON AND EARLY EVENING. WITH A WIND
                    SHIFT TO OUT OF THE WEST NORTHWEST AROUND 4 PM.
RIDGE TOP WIND......WEST WINDS AROUND 15 MPH CHANGING TO THE
                    NORTHWEST AFTER 4 PM.

$$
FORECASTER...SUK
REQUESTED BY...JESS SECREST
TYPE OF REQUEST...WILDFIRE
.TAG 20090909.INDIA.02/TFX