Suppression Forecast
Issued by NWS Great Falls, MT

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000
FNUS75 KTFX 181600
FWSTFX

SPOT FORECAST FOR JIMTOWN NAT10...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
1000 AM MDT FRI APR 18 2014

FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
BREEZY WESTERLY WINDS ARE EXPECTED ON SUNDAY AS A WEAK UPPER-LEVEL
DISTURBANCE MOVES ACROSS THE AREA. THERE IS A SMALL CHANCE FOR A
MORNING SHOWER ON SUNDAY BUT WETTING RAINS ARE NOT EXPECTED. A
RIDGE OF HIGH PRESSURE WILL BUILD INTO THE AREA SUNDAY NIGHT AND
MONDAY WITH DRY AND WARM CONDITIONS EXPECTED WITH WINDS SHIFTING
SOUTHEASTERLY ON MONDAY.

.SUNDAY...

SKY/WEATHER.........MOSTLY TO PARTLY CLOUDY. ISOLATED RAIN
                    SHOWER IN THE MORNING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 15 MPH.
RIDGE TOP WIND......WEST WINDS 15 TO 20 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........WEST AROUND 15 MPH.

.SUNDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....33-38.
MAX HUMIDITY........73-78 PERCENT.
WIND (20 FT)........LIGHT AND TERRAIN-DRIVEN AROUND 5 MPH.
RIDGE TOP WIND......WEST 5 TO 10 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........WEST AROUND 10 MPH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....61-66.
MAX HUMIDITY........14-19 PERCENT.
WIND (20 FT)........SOUTH-SOUTHEAST WINDS INCREASING 10 TO 15 MPH.
RIDGE TOP WIND......SOUTHWEST WINDS 20 TO 30 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTH AROUND 20 MPH.

.TUESDAY THROUGH WEDNESDAY...
MOISTURE WILL INCREASE ON TUESDAY AHEAD OF A STRONG TROUGH OF LOW
PRESSURE. SHOWERS AND ISOLATED THUNDERSTORMS WILL DEVELOP TUESDAY
AFTERNOON AND THEN PRECIPITATION WILL BECOME MORE WIDESPREAD
TUESDAY NIGHT AND WEDNESDAY. RAIN WILL MIX WITH SNOW TUESDAY NIGHT
AND CONTINUE ON WEDNESDAY AS A COOLER AIRMASS ARRIVES.
SOUTHEASTERLY WINDS ON TUESDAY WILL SHIFT WESTERLY AND BECOME
GUSTY ON WEDNESDAY. GUSTY ERRATIC WINDS ARE ALSO POSSIBLE IN AND
NEAR SHOWERS ON TUESDAY AFTERNOON.

$$
FORECASTER...VANDENHEUVEL
REQUESTED BY...BRETT BEAGLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20140418.JIMTO.01/TFX






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