FNUS75 KMSO 221715
FWSMSO

SPOT FORECAST FOR DOOLITTLE UNIT 1
NATIONAL WEATHER SERVICE MISSOULA MT
1115 AM MDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1130 MDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...BIG WEATHER STORY TODAY IS RIDGE BREAKING DOWN
INCREASING WINDS ANOTHER SURGE OF MID LEVEL MOISTURE SETTING OFF
ISOLATED MAINLY MOUNTAIN SHOWERS AND THUNDERSTORMS THIS AFTERNOON
AND EVENING. WITH THE UNSHELTERED NATURE OF THE BURN...WINDS WILL
INCREASE SOONER WITH THE SOUTH ASPECT. WITH THE THERMAL BOUNDARY
VERY CLOSE TO THE FIRE...ISOLATED HIGH BASED THUNDERSTORMS ARE
POSSIBLE WITH ERRATIC GUSTY WINDS THE MAIN THREAT. WITH AN
APPROACHING WEATHER SYSTEM...CLOUDS WILL INCREASE TOWARD MORNING
WITH A CHANCE OF SHOWERS BY LATE MORNING THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                    IN THE AFTERNOON...MAINLY AFTER 1500 MDT.
CWR.................10 PERCENT.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5-10 MPH. GUSTS UP TO 25 MPH IN
                    THE AFTERNOON...TO 45 MPH NEAR THUNDERSTORMS.
MIXING HEIGHT.......5100 FT AGL.
MIXING WINDS........WEST 30 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
CWR.................10 PERCENT.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........WEST WINDS 6-13 MPH AND GUSTY IN THE EVENING
                    BECOMING DOWNSLOPE 3-7 MPH.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........WEST 15 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
                    THE DAY. CHANCE OF SNOW SHOWERS IN THE
                    AFTERNOON.
CWR.................40 PERCENT.
MAX TEMPERATURE.....42-47.
MIN HUMIDITY........36-41 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5-10 MPH IN THE MORNING...BECOMING
                    NORTHWEST WINDS 5-10 MPH AFTER 1200 MDT.
MIXING HEIGHT.......4700 FT AGL.
MIXING WINDS........WEST 15 MPH.

$$
FORECASTER...MEAD
REQUESTED BY...DDC
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.DOOLI.01/MSO