FNUS76 KPDT 221848
FWSPDT

SPOT FORECAST FOR CACHE CREEK...USFS WWF
NATIONAL WEATHER SERVICE PENDLETON OR
1148 AM PDT SAT SEP 22 2012

FORECAST IS BASED ON REQUEST TIME OF 1121 PDT ON SEPTEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT SUNDAY...

.DISCUSSION...A LOW MOVING INTO THE PACIFIC NORTHWEST WILL PUSH
SHOWERS INTO THE AREA FROM THE SOUTHWEST THIS AFTERNOON.
THUNDERSTORMS MAY ALSO DEVELOP. ANY CONVECTIVE ACTIVITY OVER THE
FIRE HAS THE CAPABILITY OF PRODUCING ERRATIC OUTFLOW WINDS UP TO 35
MPH. SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH MONDAY
MORNING. TEMPERATURES WILL BE DECREASING THROUGH MONDAY AND RELATIVE
HUMIDITY WILL IMPROVE.

***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 THEN BECOMING PARTLY CLOUDY. AREAS OF
                    SMOKE. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS AFTER 1400.
CWR.................10.
MAX TEMPERATURE.....77-82 RIDGES...82-89 VALLEYS.
MIN HUMIDITY........17-22 PERCENT RIDGES...13-18 PERCENT VALLEYS.
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 4 TO 8 MPH.
RIDGETOP WIND.......NORTHWEST WINDS 3 TO 6 MPH INCREASING TO 5 TO 10
                    MPH WITH GUSTS AROUND 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 4000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST 2 TO 5 MPH IN THE
                    AFTERNOON.
LAL.................1 INCREASING TO 2.
HAINES INDEX........5 (MODERATE).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE IN THE EVENING. A
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
CWR.................10.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........45-55 PERCENT.
WIND (20 FT)........BECOMING DRAINAGE AFTER SUNSET.
RIDGETOP WIND.......NORTHWEST WINDS 5 TO 10 WITH GUSTS TO 20 MPH
                    DECREASING TO 3 TO 6 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......4000 FT AGL DECREASING TO 1000 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST 3 TO 7 MPH.
LAL.................2.
HAINES INDEX........4 (LOW).

.SUNDAY...

SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS. A SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE MORNING. A CHANCE
                    OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................20.
MAX TEMPERATURE.....68-75 RIDGES...79-84 VALLEYS.
MIN HUMIDITY........28-36 PERCENT RIDGES...19-25 PERCENT VALLEYS.
WIND (20 FT)........UPSLOPE/UPVALLEY 3 TO 7 MPH.
RIDGETOP WIND.......NORTHEAST WINDS 4 TO 8 MPH SHIFTING TO THE WEST
                    WITH GUSTS TO 15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 8500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 3 TO 5 MPH SHIFTING TO THE EAST 5 TO
                    6 MPH IN THE AFTERNOON.
LAL.................2 INCREASING TO 3 IN THE AFTERNOON.
HAINES INDEX........3 (VERY LOW).

$$
FORECASTER...RACHEL TRIMARCO
REQUESTED BY...TOBY CHAMBERLAIN
TYPE OF REQUEST...WILDFIRE
.TAG 20120922.CACHE.01/PDT