FNUS76 KPDT 081224
FWSPDT

SPOT FORECAST FOR FALL 4...USFS DEF
NATIONAL WEATHER SERVICE PENDLETON OR
525 AM PDT SAT MAY 8 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON MAY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE PACIFIC NORTHWEST WILL REMAIN UNDER A WEAK UPPER
LOW PRESSURE TROUGH THIS WEEKEND. A SERIES OF EMBEDDED WAVES WILL
BRING SCATTERED SHOWERS AND THE SLIGHT CHANCE OF AFTERNOON/EVENING
THUNDERSTORMS NEAR THE BURN SITE TODAY AND SUNDAY.  A GOOD CHANCE OF
WETTING RAIN IS EXPECTED SUNDAY NIGHT AND MONDAY.


***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 THEN BECOMING MOSTLY CLOUDY.
                    SCATTERED SHOWERS AND A SLIGHT CHANCE OF
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................10.
MAX TEMPERATURE.....53.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........DRAINAGE (NORTH) 0-2 MPH...BECOMING
                    UPSLOPE (SOUTH) 0-2 MPH AFTER 10 AM.
 UPR SLP/RIDGETOP...NORTH 0-3 MPH...INCREASING TO
                    4-9 MPH AFTER 12 PM.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 6500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS.


                            TEMPERATURE     HUMIDITY     20-FT WIND (MPH)

                    0800        36             68           N 2 MPH
                    1000        43             50           CALM
                    1200        48             30           S 0-1 MPH
                    1400        53             27           S 2 MPH
                    1600        51             30           S 2 MPH
                    1800        45             50           S 0-1 MPH
                    2000        40             65           CALM

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS
                    IN THE EVENING. A CHANCE OF SHOWERS THROUGH
                    THE  NIGHT. RAIN POSSIBLY MIXED WITH SNOW AFTER
                    MIDNIGHT.
CWR.................10.
MIN TEMPERATURE.....34.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........UPSLOPE (SOUTH)0-2 MPH...BECOMING DOWNSLOPE (NORTH)
                    0-2 MPH AFTER SUNSET.
 UPR SLP/RIDGETOP...NORTH 4-9 MPH...DECREASING TO 2-5
                    MPH AFTER MIDNIGHT.
MIXING HEIGHT.......6500 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 7 MPH IN THE EVENING BECOMING
                    LIGHT.

.SUNDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF SHOWERS THROUGH THE
                    DAY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................20.
MAX TEMPERATURE.....47.
MIN HUMIDITY........43 PERCENT.
WIND (20 FT)........TERRAIN DRIVEN WINDS LESS THAN 5 MPH.
 UPR SLP/RIDGETOP...SOUTHEAST-SOUTH 0-2 MPH...BECOMING WEST
                    2-5 MPH IN THE LATE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 7000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS.

$$

FORECASTER...MARY JOHNSON
REQUESTED BY...PHIL HENDERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100508.FALL4.01/PDT