FNUS76 KPDT 301619
FWSPDT

SPOT FORECAST FOR LOWER SHEEP RX BURN...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
919 AM PDT FRI SEP 30 2011

FORECAST IS BASED ON IGNITION TIME OF 0830 PDT ON SEPTEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL BEGIN MOVING EAST TODAY AND A WEAK
DISTURBANCE WILL BRING INCREASED WINDS THIS AFTERNOON AND TONIGHT
ALONG WITH A SLIGHT CHANCE OF SHOWERS IN THE EVENING. ISOLATED
THUNDERSTORMS ARE EXPECTED TO STAY JUST SOUTH OF THE BURN AREA BUT
GUSTY OUTFLOW WINDS COULD IMPACT THE BURN AREA. A PASSING SURFACE
LOW WILL CREATE STEADILY CHANGING WIND DIRECTIONS TONIGHT AND
SATURDAY. COOLER AND WETTER CONDITIONS EXPECTED THIS WEEKEND.
ANOTHER SYSTEM WILL BRING A FEW SHOWERS SATURDAY NIGHT. STRONGER
SYSTEMS WILL BRING A CHANCE OF RAIN MUCH OF NEXT WEEK.

***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.........PARTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....82-83.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH BECOMING SOUTHWEST
                    3 TO 8 MPH IN THE AFTERNOON.
RIDGETOP WIND.......SOUTHEAST WINDS 2 TO 7 MPH BECOMING SOUTH TO
                    SOUTHWEST 6 TO 12 MPH IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 8500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH WINDS 2 TO 6 BECOMING SOUTHWEST 10 TO 14
                    MPH IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
                    THE EVENING.
CWR.................10.
MIN TEMPERATURE.....46-49.
MAX HUMIDITY........72-77 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 2 TO 7 MPH BECOMING TERRAIN
                    DRIVEN LESS THAN 5 MPH AFTER 2300.
RIDGETOP WIND.......SOUTH TO SOUTHWEST WINDS 8 TO 12 MPH BECOMING
                    SOUTHWEST TO WEST TO 14 TO 21 MPH IN THE LATE
                    EVENING AND AFTER MIDNIGHT...THEN BECOMING
                    NORTHWEST 7 TO 14 MPH LATE.
MIXING HEIGHT.......8500 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST WINDS 4 TO 9 MPH BECOMING WEST 2 TO
                    7 MPH AFTER MIDNIGHT.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH SHIFTING TO THE EAST TO
                    NORTHEAST 2 TO 6 MPH LATE IN THE MORNING...THEN
                    SHIFTING TO THE SOUTHWEST 5 TO 12 MPH IN THE
                    AFTERNOON.
RIDGETOP WIND.......SOUTHEAST WINDS 5 TO 10 MPH BECOMING SOUTH TO
                    SOUTHWEST 12 TO 17 MPH IN THE LATE MORNING AND
                    EARLY AFTERNOON THEN SHIFTING NORTHWEST IN THE
                    LATE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 8500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTH TO NORTHEAST 2 TO 6 MPH BECOMING SOUTH TO
                    SOUTHWEST 11 TO 16 MPH IN THE AFTERNOON.
.SATURDAY NIGHT...

TRANSPORT WINDS.....SOUTHWEST WINDS 10 TO 14 MPH BECOMING WEST 7 TO
                    11 MPH AFTER MIDNIGHT.

.SUNDAY...

TRANSPORT WINDS.....SOUTHWEST WINDS 3 TO 7 MPH BECOMING SOUTH TO
                    SOUTHWEST 6 TO 12 MPH IN THE AFTERNOON AND
                    EVENING.

$$
FORECASTER...GEORGE PERRY
REQUESTED BY...ENG 668
TYPE OF REQUEST...PRESCRIBED
.TAG 20110930.LOWER.01/PDT