FNUS76 KPDT 191721
FWSPDT

SPOT FORECAST FOR CACHE CREEK...USFS WWF
NATIONAL WEATHER SERVICE PENDLETON OR
1021 AM PDT WED SEP 19 2012

FORECAST IS BASED ON REQUEST TIME OF 0947 PDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARM AND VERY DRY THROUGH FRIDAY...

.DISCUSSION...HIGH PRESSURE ALOFT WILL KEEP THE AREA WARM AND VERY
DRY FOR THE NEXT SEVERAL DAYS WITH POOR OVERNIGHT HUMIDITY RECOVERY.
WINDS WILL GENERALLY BE LIGHT AND TERRAIN DRIVEN...BUT COULD BECOME
NORTHERLY AND CHANNEL UPCANYON DURING THE AFTERNOON. WINDS WILL THEN
SHIFT MORE SOUTHERLY ON FRIDAY AND SATURDAY. SMOKE COULD KEEP
INVERSIONS FROM LIFTING BEFORE EARLY AFTERNOON.

***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. AREAS OF SMOKE.
CWR.................0.
MAX TEMPERATURE.....82-87.
MIN HUMIDITY........8-13 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 2 TO 6 MPH BECOMING NORTH 4 TO
                    8 MPH WITH GUSTS UP TO 12 MPH IN THE AFTERNOON.
RIDGETOP WIND.......LIGHT AND VARIABLE 2 TO 6 MPH BECOMING NORTH 5
                    TO 10 WITH GUSTS UP TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 6000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........4 (LOW).

.TONIGHT...

SKY/WEATHER.........CLEAR. AREAS OF SMOKE.
CWR.................0.
MIN TEMPERATURE.....45-50 VALLEYS...55-60 RIDGES.
MAX HUMIDITY........42-47 PERCENT VALLEYS...23-28 PERCENT RIDGES.
WIND (20 FT)........BECOMING DRAINAGE 2 TO 5 MPH AFTER SUNSET.
RIDGETOP WIND.......NORTHEAST 4 TO 8 MPH BECOMING LIGHT AND VARIABLE
                    AFTER SUNSET.
MIXING HEIGHT.......NEAR SURFACE AFTER SUNSET.
TRANSPORT WINDS.....LIGHT WINDS.
LAL.................1.
HAINES INDEX........5 (MODERATE).

.THURSDAY...

SKY/WEATHER.........SUNNY. AREAS OF SMOKE.
CWR.................0.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........7-12 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 2 TO 6 MPH BECOMING NORTH 4 TO
                    8 MPH WITH GUSTS UP TO 12 MPH IN THE AFTERNOON.
RIDGETOP WIND.......LIGHT AND VARIABLE 2 TO 6 MPH BECOMING NORTH 5
                    TO 10 WITH GUSTS UP TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 5000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
LAL.................1.
HAINES INDEX........5 (MODERATE).

$$
FORECASTER...RACHEL TRIMARCO
REQUESTED BY...COREY OTTEN
TYPE OF REQUEST...WILDFIRE
.TAG 20120919.CACHE.01/PDT