FNUS75 KMSO 101940
FWSMSO

SPOT FORECAST FOR DONLAN EMB
NATIONAL WEATHER SERVICE MISSOULA MT
140 PM MDT FRI APR 10 2009

FORECAST IS BASED ON IGNITION TIME OF 1400 MDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE ATMOSPHERE OVER THE BURN AREA IS DESTABILIZING...AS
SHOWN THROUGH THE DEVELOPMENT OF CUMULUS CLOUDS THIS AFTERNOON. EVEN
THOUGH CLOUD COVER WILL INCREASE THROUGH THE REST OF TODAY...RH VALUES
SHOULD CONTINUE TO DROP THIS AFTERNOON. THE BEST CHANCE FOR SHOWERS
WILL BE TONIGHT GENERALLY AFTER MIDNIGHT AND ESPECIALLY SATURDAY.
WINDS ARE EXPECTED TO REMAIN GENERALLY LIGHT AND LARGELY TERRAIN GUIDED
THROUGH TONIGHT...INCREASING SOMEWHAT TOMORROW OUT OF THE WEST.

.REST OF TODAY...

SKY/WEATHER.........BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF RAIN
                    SHOWERS LATE IN THE AFTERNOON.
CWR.................LESS THAN 10 PERCENT.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 3-7 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........SOUTHEAST 5 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CWR.................40 PERCENT.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........82-87 PERCENT.
WIND (20 FT)........SOUTH WINDS 3-5 MPH BECOMING VARIABLE 1-3 MPH
                    OVERNIGHT.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTH 10 MPH.

.SATURDAY...

SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS.
CWR.................40 PERCENT.
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........WEST WINDS 5-9 MPH.
MIXING HEIGHT.......3700 FT AGL.
MIXING WINDS........WEST 10 MPH.

$$

FORECASTER...DICKERSON
REQUESTED BY...NED WINEBRENNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090410.DONLA.01/MSO