FNUS76 KPQR 102157
FWSPQR

SPOT FORECAST FOR TUMBLEBUG...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE PORTLAND OR
257 PM PDT SAT OCT 10 2009

FORECAST IS BASED ON REQUEST TIME OF 1427 PDT ON OCTOBER 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THERMAL TROUGH BEGINS TO MIGRATE NORTH FROM
CALIFORNIA WHILE UPPER LOW BEGINS TO DIG INTO THE WESTERN US
SETTING UP A DECENT N-S ORIENTED SURFACE GRADIENT. THIS GRADIENT
WILL CAUSE GUSTY NORTH TO EASTERLY WINDS OVER MUCH OF THE AREA THOUGH
OVER THE FIRE BELIEVE NORTHWESTERLY WINDS WILL BE MORE PREVALENT AS
THERMAL TROUGH AXIS IS STILL EXPECTED TO BE A LITTLE OFFSHORE.
WINDS SHOULD SWITCH AROUND TO THE EAST SUNDAY NIGHT AS THERMAL
TROUGH MOVES INLAND.

EXCELLENT SHOT FOR WETTING RAIN BEGINNING TUESDAY WITH 2 OR MORE
INCHES OF PRECIP EXPECTED AT HIGHER ELEVATIONS. WINDS SHOULD ALSO
BE BLUSTERY AS THE POTENT SYSTEM MOVES ONSHORE WEDNESDAY. SHOWERS
WILL LINGER AS THE SYSTEM EXITS ON THURSDAY. A LITTLE UNCERTAINTY
AFTER THAT WHERE SOME MODELS SHOW A BRIEF WEAK RIDGE BUILDING ON
FRIDAY BEFORE ANOTHER SYSTEM ARRIVES OVER THE WEEKEND WHILE OTHERS
DO NOT SHOW THE RIDGE AND KEEP A STEADY STREAM OF SYSTEMS MOVING
ONSHORE.


.SUNDAY...

SKY/WEATHER.........SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....48-62.
MIN HUMIDITY........26-34 PERCENT.
WIND (20 FT)........NORTHEAST 3 TO 6 MPH.


TIME (PDT)      10 AM      NOON    2 PM    4 PM   6PM
SKY (%).........   19      22      22      22     25
TEMP............   40      46      52      53     52
RH..............   55      42      33      31     33
20 FT WIND......   NW 3    NW 2-4  NW 2-4  NW 2-4  NW 2-4
   MAX GUST.....           5       10      10     10


$$
FORECASTER...WOLFE
REQUESTED BY...CHUCK GLADNEY
REASON FOR REQUEST...WILDFIRE
.TAG 20091010.TUMBL.01/PQR