FNUS76 KPDT 230247
FWSPDT

SPOT FORECAST FOR 577...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
747 PM PDT SAT SEP 22 2012

FORECAST IS BASED ON REQUEST TIME OF 1914 PDT ON SEPTEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...AN UPPER LEVEL LOW WILL MOVE FROM WESTERN WASHINGTON
TO SOUTHEAST OREGON OVER THE NEXT 24 HOURS. THIS SYSTEM WILL PRODUCE
ISOLATED SHOWERS AND/OR THUNDERSTORMS OVER THE REGION AT TIMES
THROUGH SUNDAY. ANY CONVECTIVE ACTIVITY OVER THE FIRE HAS THE
CAPABILITY OF PRODUCING ERRATIC OUTFLOW WINDS UP TO 35 MPH.
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***

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS...MAINLY OVERNIGHT.
CWR.................LESS THAN 10 PERCENT.
MIN TEMPERATURE.....46-48.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........SOUTHWEST TO WEST WINDS 5-8 MPH WITH GUSTS TO
                    17 MPH BECOMING DRAINAGE 2-5 MPH BY MIDNIGHT.
RIDGETOP WIND.......WEST WINDS 6-11 MPH.
MIXING HEIGHT.......3000 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST TO WEST 7-11 MPH BECOMING LIGHT
                    AFTER MIDNIGHT.
LAL.................2.
HAINES INDEX........5 (MODERATE).

.SUNDAY...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE MORNING.
CWR.................LESS THAN 10 PERCENT.
MAX TEMPERATURE.....67-69.
MIN HUMIDITY........25-27 PERCENT.
WIND (20 FT)........UPSLOPE/UP VALLEY WINDS 2-5 MPH BECOMING
                    SOUTHWEST TO WEST 3-6 MPH AFTER 1000 THEN
                    SHIFTING TO WEST TO NORTHWEST 5-8 MPH WITH
                    GUSTS TO 18 MPH IN THE AFTERNOON.
RIDGETOP WIND.......NORTHWEST WINDS 5-9 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 4000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST TO NORTHWEST 8-12 MPH
                    IN THE AFTERNOON.
LAL.................2.
HAINES INDEX........3 (VERY LOW).

$$
FORECASTER...GKH
REQUESTED BY...COIDC
TYPE OF REQUEST...WILDFIRE
.TAG 20120922.0577_.01/PDT