Aviation Forecast Discussions Data
Select Site:


    Strong southwest flow aloft with moisture increasing
    at all levels this evening. Vigorous frontal system associated
    with deep upper trough offshore will move across the region late
    tonight. MVFR ceilings in rain expected to persist across the area
    into Friday morning before gradually lifting to low end VFR Friday
    afternoon as post-frontal shower activity decreases.
    KSEA...MVFR in rain persisting through Friday morning before
    gradually lifting in the afternoon with scattered post-frontal
    showers continuing to move across the area. Surface winds S/SE 6 to
    11 knots.   27