FNUS75 KMSO 181151
FWSMSO

SPOT FORECAST FOR MURRAY DOUGLAS HF3 F6
NATIONAL WEATHER SERVICE MISSOULA MT
551 AM MDT MON MAY 18 2009

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

.DISCUSSION...UPPER RIDGE WILL REMAIN OVER THE FIRE TODAY FOR
CONDITIONS VERY SIMILAR TO SUNDAYS. THE EXCEPTION IS INVERSIONS
MAY HAVE A TOUGH TIME BREAKING TODAY SO STRONGER WINDS MAY NOT
MIX TO THE SURFACE. TEMPERATURES ARE EXPECTED TO BE SIMILAR
HOWEVER WITH GOOD EXPOSURE. SOME HIGH BASED CUMULUS CLOUDS ARE
EXPECTED TO DEVELOP NEAR THE FIRE LATE THIS AFTERNOON...BUT NO
PRECIPITATION IS EXPECTED FROM THESE WITH VERY DRY AIRMASS IN
PLACE. MOISTURE AND WINDS WILL INCREASE EARLY TUESDAY MORNING AS
AN APPROACHING COLD FRONT AND ASSOCIATED WEATHER SYSTEM APPROACH
THE FIRE. THE TIMING OF THE COLD FRONT OVER THE FIRE LOOKS TO BE
LATE...MORE TOWARD TUESDAY EVENING. WITH INCREASED
CLOUDS...HUMIDITIES SHOULD IMPROVE OVER TODAY WITH SLIGHT COOLER
TEMPERATURES.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING SOUTHWEST 6-8 MPH IN
    THE LATE AFTERNOON.
MIXING HEIGHT.......6900 FT AGL.
MIXING WINDS........WEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR THIS EVENING...BECOMING PARTLY
                    CLOUDY AFTER MIDNIGHT.
CWR.................0 PERCENT.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........53-58 PERCENT.
WIND (20 FT)........DOWNSLOPE WINDS TO 5 MPH BECOMING SOUTHWEST
                    AFTER MIDNIGHT.
MIXING HEIGHT.......2000 FT AGL.
MIXING WINDS........SOUTH 5 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE LATE AFTERNOON.
CWR.................20 PERCENT.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........24-29 PERCENT.
WIND (20 FT)........SOUTHWEST 5-9 MPH BECOMING WEST 7-14 MPH WITH
                    HIGHER GUSTS IN THE AFTERNOON.
MIXING HEIGHT.......4800 FT AGL.
MIXING WINDS........SOUTHWEST 35 MPH.

$$
FORECASTER...MEAD
REQUESTED BY...MISSOULA FIELD OFFICE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090518.MURRA.01/MSO