FNUS75 KTFX 152340
FWSTFX

SPOT FORECAST FOR HYALITE F150...GALLATIN SAR
NATIONAL WEATHER SERVICE GREAT FALLS MT
540 PM MDT TUE SEP 15 2009

FORECAST IS BASED ON INCIDENT TIME OF 1724 MDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A LOW PRESSURE CIRCULATION SOUTH OF THE AREA IS CAUSING
INSTABILITY AND ISOLATED THUNDERSTORMS. THESE THUNDERSTORMS ARE
EXPECTED TO REMAIN JUST SOUTH OF THE AREA...HOWEVER...GUSTY
CONDITIONS MAY RESULT FROM THIS ACTIVITY. GUSTS FROM THESE STORMS
WOULD BE EXPECTED FROM A SOUTHEAST THROUGH SOUTHWEST DIRECTION.
THIS THUNDERSTORM ACTIVITY AND GUSTINESS WILL DISSIPATE DURING
THE EVENING.


.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    ISOLATED SHOWERS AND THUNDERSTORMS IN THE
                    EVENING.
CWR.................10 PERCENT.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........81-86 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH.
RIDGE TOP WIND......SOUTHEAST AT 10 MPH.
MIXING HEIGHT.......500 FT AGL.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
                    THUNDERSTORMS.
CWR.................10 PERCENT.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........26-31 PERCENT.
WIND (20 FT)........EAST WINDS UP TO 5 MPH.
RIDGE TOP WIND......SOUTH AT 10 MPH.

$$
FORECASTER...ZELZER
REQUESTED BY...DON GODWARD
TYPE OF REQUEST...SAR
.TAG 20090915.HYALI.01/TFX