FNUS75 KMSO 231905 FWSMSO SPOT FORECAST FOR TUNNEL POND NATIONAL WEATHER SERVICE MISSOULA MT 1205 PM MST TUE FEB 23 2010 FORECAST IS BASED ON IGNITION TIME OF 1210 PST ON FEBRUARY 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL RIDGE OF HIGH PRESSURE HAS BEGUN TO BREAK DOWN THIS AFTERNOON IN ADVANCE OF AN APPROACHING PACIFIC STORM SYSTEM. ALTHOUGH HIGH LEVEL MOISTURE WILL INCREASE THROUGHOUT THE DAY...EVIDENT BY INCREASING HIGH CLOUDS...THE NEAR SURFACE ATMOSPHERE WILL REMAIN DRY. .REST OF TODAY... SKY/WEATHER.........PARTLY CLOUDY. CWR.................0. MAX TEMPERATURE.....47-52. MIN HUMIDITY........24-29 PERCENT. WIND (20 FT)........SOUTH WINDS 4-7 MPH. MIXING HEIGHT.......700-1000 FT AGL. MIXING WINDS........SOUTHWEST 10-15 MPH $$ FORECASTER...DICKERSON REQUESTED BY...DALE JOHNSON TYPE OF REQUEST...PRESCRIBED .TAG 20100223.TUNNE.01/MSO