FNUS75 KMSO 181613
FWSMSO

SPOT FORECAST FOR MCCARTNEY GARRISON RX
NATIONAL WEATHER SERVICE MISSOULA MT
1013 AM MDT TUE MAY 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1030 MDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE ATMOSPHERE WILL BECOMING INCREASINGLY MOIST AND
UNSTABLE INTO THE AFTERNOON.  IN ADDITION...A COLD FRONT WILL MOVE
ACROSS THE UNIT MID TO LATE AFTERNOON AND FURTHER CONCENTRATE THE
SHOWER/THUNDERSTORM DEVELOPMENT.  WINDS WILL INCREASE BEFORE THE FRONT
PASSES.   A VERY MOIST FLOW WILL CONTINUE TONIGHT.   WEAK HIGH PRESSURE
SHOULD RETURN WEDNESDAY.

.TODAY...

SKY/WEATHER.........A FEW SPRINKLES IN THE MORNING...THEN RAIN SHOWERS
                    DEVELOPING AROUND MID DAY.  AN OCCASIONAL THUNDERSTORM
                    IS LIKELY BETWEEN 1 P.M. AND 4 P.M. WITH BRIEF HEAVY
                    RAIN...HAIL...AND STRONG GUSTY WINDS POSSIBLE.
CWR.................70 PERCENT.
MAX TEMPERATURE.....56-58.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........SOUTH WINDS 3-8 MPH...INCREASING TO SOUTHWEST 10-15
                    MPH BY MID DAY WITH GUSTS TO 25 MPH.  WIND SHIFTING
                    TO NORTHWEST 10-20 WITH GUSTS TO 30 MPH AFTER 3 P.M.
MIXING HEIGHT.......INCREASING TO 10000 FT AGL.
MIXING WINDS........SOUTHWEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........RAIN SHOWERS LIKELY...MIXING WITH SNOW BY LATE
                    EVENING.
CWR.................70 PERCENT.
MIN TEMPERATURE.....34-36.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10-20 MPH IN THE EVENING BECOMING
                    VARIABLE 2-5 MPH LATE.
MIXING HEIGHT.......1500 FT AGL.
MIXING WINDS........WEST 10 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH A FEW MORNING SNOW FLURRIES...
                    THEN BECOMING PARTLY CLOUDY.
CWR.................10 PERCENT.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........41-46 PERCENT.
WIND (20 FT)........WEST WINDS 5-7 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........NORTHWEST 5 MPH.

$$
FORECASTER...BAUCK
REQUESTED BY...IC JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100518.MCCAR.01/MSO