FNUS75 KMSO 172036
FWSMSO

SPOT FORECAST FOR BUTTE CABIN CREEK
NATIONAL WEATHER SERVICE MISSOULA MT
236 PM MDT WED APR 17 2013

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WEAK HIGH PRESSURE WITH RELATIVE LIGHT WINDS AND DRY
CONDITIONS WILL CONTINUE TONIGHT.  A NORTHWEST FLOW ALOFT IS EXPECTED
TO BECOME MORE DEVELOPED THURSDAY AND BRING MOISTURE OVER THE
AREA.  LOW LEVEL WINDS WILL ALSO INCREASE THURSDAY AS THE SURFACE
PRESSURE GRADIENT INCREASES.  ADDITIONAL MOISTURE AND A SERIES OF
WEATHER DISTURBANCES ARE EXPECTED FRIDAY AND SATURDAY.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....44-49.
MIN HUMIDITY........34-38 PERCENT.
WIND (20 FT)........WEST WINDS INCREASING TO 5-12 MPH. GUSTS UP TO 25 MPH
                    IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL IN THE AFTERNOON.
MIXING WINDS........WEST 15 MPH.

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH AN INCREASING CHANCE OF RAIN AND
                    SNOW SHOWERS.  SNOW LEVEL 4500 FEET.
CWR.................30 PERCENT.
MIN TEMPERATURE.....31 TOP TO 35 BOTTOM.
MAX HUMIDITY........85-90 PERCENT.
WIND (20 FT)........WEST WINDS 7-12 WITH GUSTS 20 MPH IN THE EVENING BECOMING
                    SOUTH 5-10 MPH.
MIXING HEIGHT.......DECREASING TO LESS THAN 500 FT AGL AFTER SUNSET.
MIXING WINDS........WEST 15 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. RAIN AND SNOW SHOWERS LIKELY.  SNOW
                    LEVEL 4500 FEET IN THE MORNING RISING TO 6000 FEET
                    IN THE AFTERNOON.
CWR.................70 PERCENT.
MAX TEMPERATURE.....50 BOTTOM TO 43 TOP.
MIN HUMIDITY........45-50 PERCENT BOTTOM AND 55-60 PERCENT TOP.
WIND (20 FT)........SOUTHWEST WINDS INCREASING TO 10-20 MPH.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL IN THE AFTERNOON.
MIXING WINDS........WEST 25 MPH.

$$
FORECASTER...BAUCK
REQUESTED BY...MIKE WOOD
TYPE OF REQUEST...PRESCRIBED
.TAG 20130418.BUTTE.01/MSO