FNUS76 KPDT 211706
FWSPDT

SPOT FORECAST FOR DRY CREEK 4...USFS WWF
NATIONAL WEATHER SERVICE PENDLETON OR
1006 AM PDT THU OCT 21 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON OCTOBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MAINLY SUNNY SKIES TODAY AS HIGH PRESSURE GIVES WAY TO
AN APPROACHING UPPER TROUGH. MIXING HEIGHTS WILL REMAIN QUITE POOR
TODAY. WEAKENING FRONTAL SYSTEM WILL CROSS THE UNIT OVERNIGHT WITH A
PERIOD OF BREEZY CONDITIONS ALOFT BUT LOW LEVELS MAY REMAIN
SEPARATED UNDER A NIGHTTIME SURFACE INVERSION. SHOWERS WILL STAY
MAINLY NEAR THE CREST TONIGHT AND TOMORROW. A BIT COOLER TOMORROW
WITH WETTING RAIN POSSIBLE LATE FRIDAY NIGHT AND MORE LIKELY
SATURDAY 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***

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0.
MAX TEMPERATURE.....66.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 3 TO 6 MPH BECOMING SOUTH 6 TO
                    9 MPH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE BECOMING 1000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH.

.TONIGHT...

SKY/WEATHER.........INCREASING CLOUDS.
CWR.................0.
MIN TEMPERATURE.....43.
MAX HUMIDITY........57 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH BECOMING DRAINAGE
                    WINDS LESS THAN 5 MPH AROUND SUNSET...THEN
                    BECOMING SOUTHWEST 1 TO 4 MPH WITH OCCASIONAL
                    GUSTS TO 15 MPH AROUND 0400.
RIDGETOP WIND.......SOUTHWEST 5 TO 10 MPH INCREASING TO 12 TO 16 MPH
                    AROUND 0300.
MIXING HEIGHT.......1000 FT AGL THEN BECOMING NEAR SURFACE AROUND
                    SUNSET.
TRANSPORT WINDS.....SOUTH AROUND 6 MPH IN THE EVENING BECOMING
                    LIGHT.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....60.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........LIGHT LESS THAN 5 MPH BECOMING SOUTH 3 TO 7
                    MPH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTHWEST 7 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 3500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT BECOMING SOUTHWEST AROUND 7 MPH IN THE
                    AFTERNOON.

$$
FORECASTER...JON BONK
REQUESTED BY...DARCI DRINKWATER
TYPE OF REQUEST...PRESCRIBED
.TAG 20101021.DRYCR.01/PDT