Suppression Forecast
Issued by NWS Great Falls, MT

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000
FNUS75 KTFX 232039
FWSTFX

SPOT FORECAST FOR DECKER 9...LEWIS & CLARK NF
NATIONAL WEATHER SERVICE GREAT FALLS MT
239 PM MDT TUE SEP 23 2014

FORECAST IS BASED ON IGNITION TIME OF 1435 MDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN ISOLATED SHOWER OR THUNDERSTORM IS POSSIBLE THIS EVENING
THROUGH 2200 MDT AND COULD CAUSE A BRIEF PERIOD OF GUSTY...ERRATIC
WINDS UP T0 30 MPH BUT WETTING RAINS ARE NOT EXPECTED. OTHERWISE...PARTLY
CLOUDY SKIES AND SOUTHWEST WINDS UP TO 15 MPH ARE ANTICIPATED.
WINDS WILL SHIFT SOUTH AFTER 1700 MDT THEN BECOME LIGHT AND
TERRAIN-DRIVEN BY SUNSET. GOOD RELATIVE HUMIDITY RECOVERIES ARE
EXPECTED IN VALLEYS WITH MODERATE RH RECOVERIES AT MID-SLOPE AND
RIDGETOP. LIGHT AND TERRAIN-DRIVEN WINDS WEDNESDAY MORNING WILL
BECOME SOUTHWESTERLY AND INCREASE WITH GUSTS UP TO 25 MPH IN THE
AFTERNOON. DRY CONDITIONS ARE ALSO EXPECTED ON WEDNESDAY.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS THIS EVENING.
CWR.................10 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WIND......SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........WEST AROUND 20 MPH.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................5 PERCENT.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........80-85 PERCENT VALLEYS.
                    70-80 PERCENT MID-SLOPE/RIDGES.
WIND (20 FT)........SOUTHWEST WINDS BECOMING SOUTH 5 TO 10 MPH
                    BECOMING LIGHT AND TERRAIN-DRIVEN.
RIDGE TOP WIND......SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTH AROUND 5 MPH.
HAINES INDEX........3 VERY LOW.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........LIGHT AND TERRAIN DRIVEN IN THE MORNING BECOMING
                    SOUTHWEST 20 TO 25 MPH IN THE AFTERNOON.
RIDGE TOP WIND......SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......7500 FT AGL.
MIXING WINDS........SOUTHWEST AROUND 20 MPH.
HAINES INDEX........4 LOW.

$$
FORECASTER...VANDENHEUVEL
REQUESTED BY...MARK CONWAY
TYPE OF REQUEST...PRESCRIBED
.TAG 20140923.DECKE.02/TFX






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