FNUS76 KPDT 281504
FWSPDT

SPOT FORECAST FOR THREE PRAIRIE RX...UMATILLA NF
NATIONAL WEATHER SERVICE PENDLETON OR
804 AM PDT WED SEP 28 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 PDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MOISTURE FROM THE PREVIOUS SYSTEM HAS PUSHED OUT OF
THE AREA AND SKIES WILL CLEAR OUT TODAY WITH MUCH LOWER DEWPOINTS
AND AFTERNOON RH'S BEING 10 TO 20 PERCENT LOWER THAN YESTERDAY.
HIGH PRESSURE WILL KEEP THE AREA WARM AND DRY THURSDAY AND FRIDAY.
THE NEXT SYSTEM TO PROVIDE A CHANCE OF SHOWERS LOOKS TO MOVE IN
SATURDAY MORNING.

***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...

MAX TEMPERATURE.....58.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........UPSLOPE 2 TO 4 MPH SHIFTING TO THE NORTH 6 TO 10
                    MPH IN THE AFTERNOON.
RIDGETOP WIND.......NORTHEAST WINDS 3 TO 5 MPH INCREASING 6 TO 10
                    MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 3000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....LIGHT NORTHEAST WINDS SHIFTING EAST 5 TO
                    10 MPH IN THE AFTERNOON.

        TEMPERATURE     HUMIDITY     20-FT WIND (MPH)
1100        49             59            NE 4-6
1300        56             45            NE 6-8
1500        58             40            NE 7-9
1700        54             48            NE 7-9
1900        48             51            NE 5-7

.TONIGHT...

MIN TEMPERATURE.....37.
MAX HUMIDITY........61 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 10 MPH DECREASING EAST
                    SOUTHEAST 2 TO 5 MPH AFTER SUNSET.
TRANSPORT WINDS.....EAST WINDS 5 TO 10 MPH SHIFTING NORTHEAST LESS
                    THAN 5 MPH AFTER SUNSET.

.THURSDAY...

MAX TEMPERATURE.....72.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........EAST WINDS 3 TO 7 MPH.
TRANSPORT WINDS.....SOUTH SOUTHEAST 3 TO 7 MPH.

$$
FORECASTER...DOUGLAS WEBER/RACHEL TRIMARCO
REQUESTED BY...SCOTT MCDONALD
TYPE OF REQUEST...PRESCRIBED
.TAG 20110928.THREE.01/PDT