FNUS76 KPQR 112217
FWSPQR

SPOT FORECAST FOR TUMBLEBUG...USFS WNF
NATIONAL WEATHER SERVICE PORTLAND OR
317 PM PDT SUN OCT 11 2009

FORECAST IS BASED ON REQUEST TIME OF 1425 PDT ON OCTOBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...COLD AND DRY HIGH PRESSURE HAS SETTLED INTO
WASHINGTON AND NORTHERN OREGON THIS WEEKEND...WITH A WEAK AND
SOMEWHAT THERMALLY INDUCED TROUGH OF LOW PRESSURE NEAR THE OREGON
CALIFORNIA BORDER...EAST OF THE SISKIYOUS. THIS IS PULLING SOME
NORTHWEST FLOW UP THE WILLAMETTE THIS AFTERNOON...BUT THIS WILL
END FAIRLY QUICKLY THIS EVENING AS FLOW TURNS DOWN DRAINAGE. LOW
PRESSURE DEVELOPING OFFSHORE WILL EVENTUALLY TURN WINDS EAST TO
SOUTHEASTERLY AGAIN TONIGHT AND MONDAY MORNING. A STRONG PACIFIC
STORM SYSTEM WILL IS EXPECTED TO SPREAD SIGNIFICANT RAINS INTO THE
FIRE AREA...POSSIBLY AS EARLY AS LATE MONDAY NIGHT...BUT MORE
LIKELY INTO TUESDAY AND WEDNESDAY.

CHANCE OF WETTING RAIN (CWR) 0.25 INCHES OR GREATER.
FORECAST WINDS ARE 10 MINUTE AVERAGES 20 FT ABOVE VEGETATION.
THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS.


.TONIGHT...

SKY/WEATHER.........MAINLY CLEAR.
CWR (%).............0 PERCENT.
MIN TEMPERATURE.....UPPER 20S SHELTERED VALLEYS...UP TO AROUND
                    40 ON THE RIDGETOPS.
MAX HUMIDITY........50-55 PERCENT RIDGETOPS...UP TO AROUND 90
                    PERCENT IN SHELTERED VALLEYS.
WIND (20 FT)........NORTHWEST 4-8 MPH WITH GUSTS TO 15 MPH UNTIL
                    1800...THEN QUICKLY DECREASING AND BECOMING
                    EAST TO SOUTHEAST 2-5 MPH BY 2100. EAST TO
                    SOUTHEAST WIND INCREASING 4-7 MPH AFTER
                    MIDNIGHT WITH GUSTS TO 15 MPH DEVELOPING.
EYE LEVEL WINDS.....NORTHWEST 1-3 MPH WITH GUSTS TO 8 MPH UNTIL
                    1800...THEN QUICKLY DECREASING AND BECOMING
                    EAST TO SOUTHEAST 0-2 MPH BY 2100. EAST TO
                    SOUTHEAST WIND INCREASING 1-3 MPH AFTER
                    MIDNIGHT WITH GUSTS TO 7 MPH DEVELOPING.


.COLUMBUS DAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....52-56 RIDGES...TO 60-64 VALLEYS.
MIN HUMIDITY........AROUND 35 PERCENT.
WIND (20 FT)........EAST TO SOUTHEAST 4-7 MPH WITH GUSTS TO 15 MPH
                    UNTIL 0900...THEN BECOMING WEST TO SOUTHWEST
                    3-6 MPH WITH GUSTS TO 12 MPH BY MIDDAY.
EYE LEVEL WINDS.....EAST TO SOUTHEAST 1-3 MPH WITH GUSTS TO 7 MPH
                    UNTIL 0900...THEN BECOMING WEST TO SOUTHWEST
                    1-3 MPH WITH GUSTS TO 6 MPH BY MIDDAY.
VISIBILITY..........UNRESTRICTED.


TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
RIDGE TEMP......39     39     42     48     52     53
RIDGE RH........50     40     35     35     35     40
VALLEY TEMP.....28     31     44     54     62     62
VALLEY RH.......90     86     50     38     35     35
20 FT WIND......SE 5   SE 4   SW 1-2 SW 4   SW 5   SW 5
   MAX GUST.....12     12     8      10     12     12
EYE LEVEL WIND..SE 2   SE 1-2 SW 0-1 SW 2   SW 3   SW 3
   MAX GUST.....7      5      5      6      7      7

$$
FORECASTER...WEAGLE
REQUESTED BY...CHUCK GLADNEY
REASON FOR REQUEST...WILDFIRE
.TAG 20091011.TUMBL.01/PQR