FNUS75 KMSO 201552
FWSMSO

SPOT FORECAST FOR OREGON GULCH EMB
NATIONAL WEATHER SERVICE MISSOULA MT
952 AM MDT TUE APR 20 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SLIGHTLY WARMER AND DRY CONDITIONS ONCE AGAIN TODAY. LOW PRESSURE
ENTERING THE WEST COAST WILL INCREASE PRESSURE GRADIENTS AND PRODUCE
AN INCREASE IN EAST-SOUTHEAST WINDS ON THE RIDGES THIS AFTERNOON.
EXPECT AN INCREASE IN CUMULUS CLOUDS AFTER 1300.

.TODAY...

SKY/WEATHER.........DEVELOPING CUMULUS CLOUDS AFTER 1000.
CWR.................0 PERCENT.
MAX TEMPERATURE.....70-75 AFTER 1300.
MIN HUMIDITY........25-30 PERCENT AFTER 1500.
WIND (20 FT)........
 LWR SLP/VALLEY.....UPSLOPE 2-4 MPH AFTER 1000.
 UPR SLP/RIDGETOP...EAST WINDS 5-9 MPH.
MIXING HEIGHT.......4000 FT AGL.
MIXING WINDS........SOUTHEAST 15 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER
                    MIDNIGHT.
CWR.................10 PERCENT.
MIN TEMPERATURE.....36-41.
MAX HUMIDITY........75-85 PERCENT.
WIND (20 FT)........
 LWR SLP/VALLEY.....DOWNSLOPE 1-3 MPH AFTER 1800.
 UPR SLP/RIDGETOP...EAST  6-9 MPH BECOMING SOUTH AROUND 5 MPH
                    AFTER MIDNIGHT.
MIXING HEIGHT.......1900 FT AGL.
MIXING WINDS........WEST 5 MPH.

.WEDNESDAY...

SKY/WEATHER.........INCREASING CLOUDS. SLIGHT CHANCE OF RAIN SHOWERS IN
                    THE MORNING...THEN CHANCE OF RAIN SHOWERS AND
                    SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200.
CWR.................10 PERCENT.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........40-45 PERCENT.
WIND (20 FT)........VARIABLE 2-4 MPH BECOMING SOUTHWEST AROUND 5
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......2800 FT AGL.
MIXING WINDS........NORTHWEST 5 MPH.

$$
FORECASTER...RPN
REQUESTED BY...BOBBIE BENNETT
TYPE OF REQUEST...PRESCRIBED
.TAG 20100420.OREGO.01/MSO