FNUS75 KMSO 291157
FWSMSO

SPOT FORECAST FOR ELK CREEK UNIT 2A
NATIONAL WEATHER SERVICE MISSOULA MT
557 AM MDT FRI MAY 29 2009

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL AGAIN STRENGTHEN OVER THE AREA
TODAY. WINDS WILL GENERALLY BE FROM THE NORTH...BUT
BOTH NORTHWEST AND NORTHEAST WINDS ARE POSSIBLE WITH THE LACK OF
ANY LARGE SCALE PRESSURE GRADIENT. UPPER LEVEL FLOW IS
WESTERLY...SO EXPECT MAINLY NORTH AND NORTHWESTERLY WINDS TODAY
AT THE BURN. A DISTURBANCE WILL BRING MOISTURE AND UNSTABLE
CONDITIONS TO THE FIRE LATE THIS AFTERNOON AND EVENING. SHOWERS
AND THUNDERSTORMS ALONG WITH SPORADIC WIND GUSTS WILL BE POSSIBLE
THROUGH THE EVENING. TEMPERATURES WILL NOT BE QUITE AS WARM ON
SATURDAY WITH LATE DAY THUNDERSTORMS AGAIN POSSIBLE.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING NORTH NORTHWEST 5-10
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......6700 FT AGL.
MIXING WINDS........WEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    EVENING.
CWR.................20 PERCENT.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........63-68 PERCENT.
WIND (20 FT)........WEST WINDS 8-10 MPH IN THE EVENING BECOMING
                    DOWNSLOPE2-5 MPH.
MIXING HEIGHT.......900 FT AGL.
MIXING WINDS........SOUTH 10 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS THROUGH
                    THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH BECOMING WEST 7-15
                    MPH WITH GUSTS TO AROUND 30 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......7300 FT AGL.
MIXING WINDS........WEST 20 MPH.

$$
FORECASTER...KITSMILLER
REQUESTED BY...MISSOULA FIELD OFFICE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090529.ELKCR.01/MSO