FNUS76 KPDT 272230
FWSPDT

SPOT FORECAST FOR HIGHWAY 8 COMPLEX...WASHINGTON IMT2
NATIONAL WEATHER SERVICE PENDLETON OR
330 PM PDT FRI AUG 27 2010

FORECAST IS BASED ON REQUEST TIME OF 1504 PDT ON AUGUST 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...PERIODS OF BREEZY WESTERLY WINDS OVER THE NEXT SEVERAL DAYS...

.DISCUSSION...UPPER LEVEL TROUGH WILL REMAIN OVER THE INCIDENT
THROUGH EARLY NEXT WEEK. PRESSURE GRADIENTS WILL TIGHTEN ACROSS THE
CASCADES RESULTING IN SEVERAL HOUR PERIODS OF BREEZY WINDS EACH DAY.
WINDS THIS EVENING ARE EXPECTED TO REACH THEIR PEAK BETWEEN 1800 AND
2200 HOURS THEN DECREASE OVERNIGHT. OTHERWISE EXPECT INTERMITTENT
CLOUDS TO CROSS THE CREST WITH SOME BUILDUPS POSSIBLE SATURDAY
AFTERNOON AND EVENING. LIGHT SHOWERS POSSIBLE BEGINNING MAINLY
SUNDAY NIGHT.

***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***

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MIN TEMPERATURE.....53.
MAX HUMIDITY........74 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 12 MPH WITH GUSTS 20 TO 25
                    MPH BECOMING DRAINAGE 3 TO 7 MPH AFTER 2300.
RIDGETOP WIND.......NORTHWEST 15 TO 18 MPH DECREASING TO 6 TO 11 MPH
                    AFTER 0200.
MIXING HEIGHT.......4500 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 10 MPH BECOMING LIGHT OVERNIGHT.
LAL.................1.
HAINES INDEX........3 (VERY LOW).

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. SOME CUMULUS BUILDUPS IN THE
                    AFTERNOON.
CWR.................0.
MAX TEMPERATURE.....79.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........UPSLOPE WINDS 4 TO 9 MPH BECOMING WEST 4 TO 9
                    MPH AFTER 1400 THEN INCREASING TO 9 TO 14 MPH
                    WITH GUSTS TO 25 MPH AFTER 1700.
RIDGETOP WIND.......NORTHWEST 3 TO 7 MPH BECOMING WEST 12 TO 18 MPH
                    AFTER 1500.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 5000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST AROUND 12 MPH IN THE
                    AFTERNOON.
LAL.................1.
HAINES INDEX........3 (VERY LOW).

$$
FORECASTER...JON BONK
REQUESTED BY...DON STRAND-FBAN
TYPE OF REQUEST...WILDFIRE
.TAG 20100827.HIGHW.01/PDT