FNUS75 KTFX 151403
FWSTFX

SPOT FORECAST FOR EAST BOOTLEGGER...USFWS
NATIONAL WEATHER SERVICE GREAT FALLS MT
803 AM MDT WED SEP 15 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

AN UPPER LEVEL HIGH PRESSURE RIDGE WILL REMAIN OVER THE AREA TODAY.
THIS HAS TRAPPED LOW LEVEL MOISTURE AND CAUSED MORNING FOG. THE
AIRMASS WILL WARM AND DRY WITH MOSTLY SUNNY SKIES AFTER MID MORNING.
WEAK INSTABILITY WILL DEVELOP DURING THE AFTERNOON BUT THE LOWER
LEVELS WILL BE QUITE DRY AND CONVECTION IS NOT EXPECTED. LIGHT WINDS
WILL BECOME SOUTHWEST AROUND 10 MPH BY AFTERNOON ALTHOUGH AFTERNOON
MIXING WILL CAUSE SOME SOUTHWEST GUSTS UP TO 25 MPH. ALTHOUGH THE
AIRMASS WILL BE DRYING...MINIMUM RELATIVE HUMIDITIES WILL BE FALLING
ONLY INTO THE UPPER 20S. A WEAK SHORTWAVE WILL BRING MID AND UPPER
LEVEL CLOUDS ACROSS THE AREA THIS EVENING. THURSDAY WILL SEE CLOUDY
CONDITIONS AND COOLER TEMPERATURES WITH A CHANCE OF RAIN SHOWERS.

EXTENDED DISCUSSION...A CANADIAN COLD FRONT WILL MOVE SOUTH
THROUGH THE DISTRICTS THURSDAY AFTERNOON THROUGH THURSDAY NIGHT.
THIS WILL LIKELY BRING WIDESPREAD PRECIPITATION TO THE AREA
THURSDAY NIGHT INTO FRIDAY...WITH MUCH COOLER HIGHS ON FRIDAY.
COULSTON


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. AREAS OF DENSE FOG IN THE
                    MORNING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
RIDGE TOP WIND......WEST AT 20 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
CWR.................10 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........66-71 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
RIDGE TOP WIND......WEST AROUND 10 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE
                    AFTERNOON.
CWR.................15 PERCENT.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH.
RIDGE TOP WIND......WEST AT 25 TO 30 MPH.

$$
FORECASTER...ZELZER
REQUESTED BY...KEVIN BECK
TYPE OF REQUEST...PRESCRIBED
.TAG 20100915.EASTB.01/TFX