902 
FXUS66 KPQR 270402
AFDPQR

NORTHWEST OREGON AND SOUTHWEST WASHINGTON FORECAST DISCUSSION 
NATIONAL WEATHER SERVICE PORTLAND OR
900 PM PDT SAT OCT 26 2002

.SYNOPSIS...A PACIFIC SYSTEM WILL MOVE INTO THE NORTHERN AREAS MAINLY
SUNDAY AFTERNOON...AND SAG SOUTH SUNDAY NIGHT. THIS FRONTAL BOUNDARY
WILL LINGER OVER THE AREA MONDAY INTO TUESDAY. HIGHER PRESSURE AND
COOL OFFSHORE FLOW WILL RETURN MID WEEK FOR MORE DRY WEATHER.

.DISCUSSION...
.SHORT TERM...LOWER CLOUDS CLEARING OUT OF CWA AS TODAYS SYSTEM WELL
INTO NW NV. NEXT SYSTEM LINED UP OVER EASTERN PACIFIC WITH WARM
ADVECTION CLOUDS INSIDE 130W. CLOUDS THINNING AS IT RUNS INTO SPLIT
OVER WESTERN OREGON.  THIS WILL LEAVE CWA UNDER MOSTLY CLEAR SKIES
TONIGHT WITH HIGHER CIRRUS FILTERING OVER AREA. THESE CONDITION FAVOR
FORMATION OF FOG AND LOW CLOUDS AGAIN TONIGHT.


SHORTWAVE MOVING ALONG 50N WILL DEPRESS RIDGE THROUGH SUN AND AT THE
SAME TIME SHEAR NORTHERN PART OF SYSTEM IN WESTERN B.C. WHILE
TRAILING BOUNDARY WILL SAG INTO CWA SUN AFTERNOON AND SUN NIGHT THEN
SLOWLY WEAKEN AS IT MOVES S THROUGH TUE. ETA IS DRY WITH THIS
SYSTEM...AVN APPEARS A BIT TOO WET. CURRENT FORECAST IN BETWEEN AND
LOOKS REASONABLE AT THIS POINT.

WINDS AND SWELLS BELOW SMALL CRAFT CRITERIA. WINDS MAY INCREASE A
LITTLE SUNDAY.

.LONG TERM...NO CHANGES FROM AFTERNOON DISCUSSION: WILL CONTINUE THE
DRY WEDNESDAY THROUGH SATURDAY PERIOD FOR NOW. SHOULD CONTINUE TYO
THE BLOCKING RIDGE OFFSHORE REAPPEARS. MAY GET CLIPPED BY A SYSTEM AT
SOME POINT BUT WAY TO INDEFINITE TO INCLUDE AT THIS POINT.

AST 167655  PDX 035544  SLE 024433  EUG 012222

.PQR...NONE.