FNUS75 KTFX 291909
FWSTFX

SPOT FORECAST FOR DRY FORK  7...LEWIS & CLARK N.F.
NATIONAL WEATHER SERVICE GREAT FALLS MT
109 PM MDT WED SEP 29 2010

FORECAST IS BASED ON IGNITION TIME OF 1315 MDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AN UPPER LEVEL HIGH PRESSURE RIDGE WILL KEEP THE AIRMASS DRY AND
STABLE. WINDS ALOFT HAVE WEAKENED DURING THE PAST 24 HOURS AND
AFTERNOON WINDS WILL REMAIN LIGHT TODAY. WINDS WILL BE LIGHT OUT
OF THE SOUTH THURSDAY BEFORE SHIFTING MORE NORTHERLY IN THE
AFTERNOON. AFTERNOON RELATIVE HUMIDITIES WILL REMAIN AROUND 30
PERCENT WITH GOOD OVERNIGHT RECOVERY INTO AT LEAST THE 70 PERCENT
RANGE TONIGHT AND THURSDAY NIGHT.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
TEMPERATURE.........MIN 40.
RH..................MAX 79 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
                    SOUTH IN THE LATE EVENING AND OVERNIGHT.
RIDGE TOP WIND......SOUTHEAST AROUND 5 TO 10 MPH.
MIXING HEIGHT.......0 FT AGL.
MIXING WINDS........SOUTH AROUND 5 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
TEMPERATURE.........MAX 71.
RH..................MIN 26 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH SHIFTING TO THE
                    NORTH IN THE AFTERNOON.
RIDGE TOP WIND......SOUTH AROUND 5 MPH SHIFTING TO THE NORTHWEST
                    AROUND 5 TO 10 MPH IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........EAST AROUND 5 MPH.

$$
FORECASTER...GUSTAFSON
REQUESTED BY...GREAT FALLS DISPATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100929.DRYFO.01/TFX