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Area forecast discussion 
National Weather Service Seattle Washington
355 am PDT Tuesday Oct 6 2015

Synopsis...onshore flow will develop today. A warm front will
bring rain to much of the area on Wednesday. Thursday will be a
dry day in between weather systems. Moist southwest flow aloft
will maintain a wet and unsettled weather pattern Friday into the


Short upper ridge over the area will weaken and shift
inland today with low level onshore flow developing. There might
be spotty rain at the north coast this afternoon.
looks dry with high clouds. Highs will cool a few degrees. A warm
front will bring rain Wednesday. Highs will cool a few more
degrees. The warm front will push north of the area Wednesday
night with rain ending from south to north. Thursday looks mostly
dry in between weather systems. High clouds will linger but the
low levels should dry for at least partly sunny skies and slightly
warmer high temperatures. Schneider

Long term...Friday through Monday looks generally wet and
unsettled with a series of weather systems moving through. The
remnants of a cyclone currently near Hawaii could reach the area
on Friday. Global models differ on how much impact this will have
for the area with the GFS showing being the wettest. The forecast
leans more towards the European model (ecmwf) and Gem with rain likely coast and a
chance inland. Additional vigorous fronts will move through the
area around Saturday and Sunday night. Schneider


Aviation...upper level ridge over western Washington shifting
east later this morning into the afternoon. Southwesterly flow
aloft. Air mass stable with high level moisture this morning and
afternoon with low level moisture right along the coast.
Increasing middle level moisture this evening.

Ksea...high clouds today...increasing middle level clouds tonight.
Southerly wind 4 to 8 knots. Felton


Marine...low level flow switching to onshore today as a front
approaches the area. A warm front will move through the area
Wednesday. Stronger fronts will arrive Friday and again on
Saturday. Small Craft Advisory winds are expected along the coast
with these fronts with possible Small Craft Advisory winds over
the inland waters Saturday. Felton


Sew watches/warnings/advisories...




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