FNUS76 KPDT 211841
FWSPDT

SPOT FORECAST FOR CACHE CREEK...USFS WWF
NATIONAL WEATHER SERVICE PENDLETON OR
1142 AM PDT FRI SEP 21 2012

FORECAST IS BASED ON REQUEST TIME OF 1121 PDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL KEEP THE AREA WARM AND DRY TODAY
AND SATURDAY WITH POOR OVERNIGHT HUMIDITY RECOVERY. AN UPPER LOW
MOVING INTO THE REGION WILL THEN BRING A CHANCE OF SHOWERS AND
THUNDERSTORMS OVER THE BURN AREA ON SATURDAY NIGHT AND SUNDAY...WITH
LINGERING SHOWERS OR THUNDERSTORMS ALSO POSSIBLE ON MONDAY. ALTHOUGH
ABUNDANT RAIN IS NOT EXPECTED...WETTING RAIN UP TO 0.25 INCHES MAY
BE POSSIBLE UNDER THUNDERSTORM CORES.

***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.....79-85 RIDGES...85-91 VALLEYS.
MIN HUMIDITY........10-15 PERCENT RIDGES...7-12 PERCENT VALLEYS.
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 2 TO 6 MPH.
RIDGETOP WIND.......NORTHEAST 4 TO 8 MPH WITH GUSTS UP TO 15 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 7500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS.
LAL.................1.
HAINES INDEX........5 (MODERATE).

.TONIGHT...

SKY/WEATHER.........CLEAR. AREAS OF SMOKE.
CWR.................0.
MIN TEMPERATURE.....53-58 RIDGES...40-50 VALLEYS.
MAX HUMIDITY........20-30 PERCENT RIDGES...35-45 PERCENT VALLEYS.
WIND (20 FT)........BECOMING DRAINAGE WINDS LESS THAN 5 MPH AFTER
                    SUNSET.
RIDGETOP WIND.......NORTHEAST 4 TO 8 MPH.
MIXING HEIGHT.......7500 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTH 2 TO 5 MPH IN THE EVENING BECOMING LIGHT.
LAL.................1.
HAINES INDEX........5 (MODERATE).

.SATURDAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. AREAS OF
                    SMOKE.
CWR.................0.
MAX TEMPERATURE.....77-83 RIDGES...84-90 VALLEYS.
MIN HUMIDITY........15-20 PERCENT RIDGES...10-15 PERCENT VALLEYS.
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 2 TO 6 MPH.
RIDGETOP WIND.......NORTHEAST 4 TO 8 MPH WITH GUSTS AROUND 15 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 6500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS.
LAL.................1.
HAINES INDEX........5 (MODERATE).

$$
FORECASTER...RACHEL TRIMARCO
REQUESTED BY...MARK NOYES
TYPE OF REQUEST...WILDFIRE
.TAG 20120921.CACHE.01/PDT