FNUS76 KPDT 301315
FWSPDT

SPOT FORECAST FOR THREE PRAIRIE RX...BMIDC
NATIONAL WEATHER SERVICE PENDLETON OR
615 AM PDT FRI SEP 30 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON SEPTEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UPPER LEVEL HIGH PRESSURE OVER THE REGION WILL BEGIN
TO SHIFT EAST TODAY. A WEAK DISTURBANCE WILL CAUSE SOME HIGH LEVEL
CLOUD COVER THIS MORNING. A SLIGHTLY STRONGER DISTURBANCE WILL BRING
THE POTENTIAL FOR A STRAY SHOWER OR THUNDERSTORM THIS EVENING. THIS
SECOND DISTURBANCE WILL ALSO CAUSE WINDS TO INCREASE...WHILE
CONTINUING TO BRING A FEW SHOWERS SATURDAY. TEMPERATURES WILL BE
WARM TODAY...BUT WILL COOL OFF SOME SATURDAY.

***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
***FORECAST IS VALID FOR 12 HOURS AFTER ISSUANCE***

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....74.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTHEAST TO SOUTH WINDS 2-4 MPH BECOMING
                    SOUTHWEST 6-10 MPH AFTER 1100...THEN BECOMING
                    NORTHWEST 6-9 MPH BY 1500.
RIDGETOP WIND.......SOUTH WINDS 3-5 MPH BECOMING SOUTHWEST 7-11 MPH
                    AFTER 1100...THEN BECOMING WEST TO NORTHWEST
                    6-10 MPH BY 1500.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 8500 FT AGL BY
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH 5-10 MPH BECOMING SOUTHWEST 10-17 MPH
                    IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
CWR.................10.
MIN TEMPERATURE.....50-52.
MAX HUMIDITY........55-59 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST WINDS 6-10 MPH SHIFTING TO
                    THE SOUTH AND DECREASING TO 2-5 MPH AFTER 2100.
RIDGETOP WIND.......WEST TO NORTHWEST WINDS 7-11 MPH BECOMING
                    SOUTH 3-6 MPH AFTER 2100.
MIXING HEIGHT.......8500 FT AGL DECREASING TO NEAR SURFACE BY
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10-17 MPH BECOMING SOUTH 5-10 MPH
                    BY MIDNIGHT.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
                    THE AFTERNOON.
CWR.................10.
MAX TEMPERATURE.....67-69.
MIN HUMIDITY........33-35 PERCENT.
WIND (20 FT)........SOUTH TO SOUTHWEST WINDS 5-8 MPH BECOMING
                    SOUTHWEST 7-11 MPH BY NOON...THEN BECOMING
                    NORTHWEST 10-14 MPH AFTER 1500.
RIDGETOP WIND.......SOUTH WINDS 7-11 MPH SHIFTING TO THE SOUTHWEST
                    BY NOON...THEN BECOMING NORTHWEST 12-16 MPH
                    AFTER 1500.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 8000 FT AGL BY
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH 5-10 MPH BECOMING SOUTHWEST 20-25 MPH
                    IN THE AFTERNOON.

$$
FORECASTER...GKH
REQUESTED BY...AMANDA JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110930.THREE.01/PDT