Flash Flood Watch
Issued by NWS Seattle/Tacoma, WA

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WGUS66 KSEW 211030
FFASEW

Flood Watch
National Weather Service Seattle WA
330 AM PDT Sat Oct 21 2017

WAC053-212300-
/O.CON.KSEW.FF.A.0001.171021T1800Z-171022T1800Z/
/O.CON.KSEW.FA.A.0002.171022T0000Z-171023T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pierce-
330 AM PDT Sat Oct 21 2017

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 11 AM PDT THIS
MORNING THROUGH SUNDAY MORNING...

...FLOOD WATCH REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH LATE
SUNDAY NIGHT...

The Flash Flood Watch continues for

* A portion of west central Washington, including the following
  county, Pierce.

* From 11 AM PDT this morning through Sunday morning

* Heavy rain is forecast beginning later this afternoon and
  continuing into Sunday morning. The period of heaviest rain will
  be tonight into early Sunday morning with the focus of rainfall
  in the Cascades from about Stevens Pass southward, including
  the burn scar area of the Norse Peak fire. Rainfall storm totals
  over the burn scar of 2 1/2 to 3 1/2 inches are possible with
  rainfall rates of up to one third to one half an inch per hour
  this evening into early Sunday morning.

* Higher than normal runoff, excess debris, and debris flows will
  be possible in and immediately below the burn areas, especially
  near SR 410, the vicinity of Goat Creek, and the valley below
  Crystal Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

The Flood Watch continues for

* A portion of west central Washington, including the following
  county, Pierce.

* From this afternoon through late Sunday night

* Heavy rain is forecast to fall beginning this afternoon and
  continuing into Sunday morning. The period of heaviest rain
  will be this evening into early Sunday morning with the focus of
  rainfall in the Cascades from about Stevens Pass southward.
  Less rain is forecast for the North Cascades and Olympics. There
  is still a chance the heavy rain could spread to the northern
  Cascades and Olympics. The flood watch remains in effect for all
  counties in Western Washington with the exception of Island and
  San Juan counties.

* Minor flooding is forecast on most rivers flowing out of the
  Cascades from the Skykomish River southward, with a few rivers
  cresting in the moderate flood category. Other rivers in the
  area could also flood. In addition, urban and small stream
  flooding is possible beginning tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
flood warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

$$

WAC009-027-031-033-035-041-045-057-061-067-073-212300-
/O.CON.KSEW.FA.A.0002.171022T0000Z-171023T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clallam-Grays Harbor-Jefferson-King-Kitsap-Lewis-Mason-Skagit-
Snohomish-Thurston-Whatcom-
330 AM PDT Sat Oct 21 2017

...FLOOD WATCH REMAINS IN EFFECT FROM THIS AFTERNOON THROUGH LATE
SUNDAY NIGHT...

The Flood Watch continues for

* Portions of northwest Washington and west central Washington,
  including the following counties, in northwest Washington,
  Clallam, Grays Harbor, Jefferson, Kitsap, Mason, Skagit, and
  Whatcom. In west central Washington, King, Lewis, Snohomish,
  and Thurston.

* From this afternoon through late Sunday night

* Heavy rain is forecast to fall beginning this afternoon and
  continuing through Sunday morning. The period of heaviest rain
  will be tonight into early Sunday morning with the focus of
  rainfall in the Cascades from about Stevens Pass southward. Less
  rain is forecast for the North Cascades and Olympics. There is
  still a chance the heavy rain could spread to the northern
  Cascades and Olympics. The flood watch remains in effect for all
  counties in Western Washington with the exception of Island and
  San Juan counties.

* Minor flooding is forecast on most rivers flowing out of the
  Cascades from the Skykomish River southward, with a few rivers
  cresting in the moderate flood category. Other rivers in the
  area could also flood. In addition, urban and small stream
  flooding is possible beginning tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
flood warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

&&

$$

www.weather.gov/seattle



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