From the National Weather Service:

Wind Advisory

URGENT – WEATHER MESSAGE

NATIONAL WEATHER SERVICE SEATTLE WA

1107 AM PDT SUN SEP 29 2013

…POWERFUL AND DAMAGING WINDSTORM TO AFFECT PARTS OF WESTERN

WASHINGTON TONIGHT…

.EXPLOSIVE DEVELOPMENT IS TAKING PLACE WITH A LOW PRESSURE CENTER

THAT WILL MAKE LANDFALL THIS EVENING SOMEWHERE BETWEEN THE FAR

NORTH WASHINGTON COAST AND CENTRAL VANCOUVER ISLAND THIS EVENING.

THIS HAS THE POTENTIAL TO BE ONE OF THE STRONGEST SEPTEMBER

WINDSTORMS ON RECORD. NORTHWEST WASHINGTON…FROM THE NORTH COAST

THROUGH THE STRAIT OF JUAN DE FUCA AND THE NORTH INTERIOR…WILL

BE AT THE GREATEST RISK FROM THE STRONGEST WINDS.

SOUTHWEST INTERIOR-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-

1107 AM PDT SUN SEP 29 2013

…WIND ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 5 AM

PDT MONDAY…

* SOME AFFECTED LOCATIONS…TACOMA…OLYMPIA…CENTRALIA…AND

MONTESANO.

* TIMING…THE STRONGEST WINDS ARE EXPECTED TO OCCUR THIS EVENING.

* WIND…INCREASING FROM THE SOUTH AT 20 TO 35 MPH WITH GUSTS AS

HIGH AS 50 TO 55 MPH

* IMPACTS…WINDS THIS STRONG CAN SNAP SMALL TREE BRANCHES…

TOPPLE SMALL OR SHALLOW ROOTED TREES…AND CAUSE LOCAL POWER

OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS OF 30 TO 39 MPH OR

GUSTS OF 45 TO 57 MPH ARE LIKELY.