King County, Washington
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: King County, Washington
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Flood Warning
423 AM PST Wed Nov 22 2017

...Flood Warning extended until this evening...

The Flood Warning continues for
The Snoqualmie River near the Falls
* Until this evening.
* At 3:45 AM Wednesday the flow was 22187 cfs.
* Flood flow is 20000 cfs.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to rise and crest near 25567 cfs
around 10 AM Wednesday. The river will fall below flood flow early
this afternoon.
* Impact...At 20000 cfs, the Snoqualmie River will cause widespread
flooding of pasture lands and roads along the river from the town
of Snoqualmie downstream through Fall City. Roads that may become
flooded include Fall City-Carnation...Tolt Hill...and Novelty Flats
Roads. This river level on the Snoqualmie corresponds roughly to a
phase 3 flood in the King County flood system.


LAT...LON 4742 12175 4752 12186 4756 12196 4761 12188 4758 12178
4756 12170


Flood Warning
423 AM PST Wed Nov 22 2017

...Flood Warning extended until Thursday morning...

The Flood Warning continues for
The Snoqualmie River near Carnation
* From 9 AM Wednesday until Thursday morning.
* At 3:15 AM Wednesday the stage was 52.1 feet.
* Flood stage is 54.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage around 9 AM
Wednesday and crest near 55.8 feet around 4 PM Wednesday. The river
will fall below flood stage tonight.
* Impact...At 54.0 feet, the Snoqualmie River will flood much of the
farm land and several roads from Fall City downstream through
Carnation and Duvall.


LAT...LON 4756 12196 4770 12204 4784 12202 4783 12194 4771 12193
4761 12188


Flood Watch
Clallam-Grays Harbor-Jefferson-King-Lewis-Pierce-Skagit-Snohomish-
400 AM PST Wed Nov 22 2017


The Flood Watch continues for

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

* Through Thursday afternoon

* Rainfall from the Tuesday/Tuesday night system amounted to
generally 2 to 5.5 inches over the Olympic Mountains and 1 to 4
inches over the Cascades, while the snow level was around 9000
feet. There will be some more precipitation today with the snow
level around 7500 feet, but it will be - relatively speaking - a
break between systems. The next front will move through tonight
and Thanksgiving Day, with a forecast of generally 2 to 4
inches over the Olympics and 1.5 to 3.5 inches over the
Cascades. The snow level will be around 7500 feet as this system
arrives, falling to 4500 feet late Thursday as precipitation

* Flooding is already occurring on several Western Washington
rivers. With this second round of rainfall tonight and Thursday,
there is a possibility that flooding will become more widespread
and/or prolonged. There is at least a minor threat that any
flood-prone river in our area reaching flood stage.


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.



Special Weather Statement
San Juan County-Western Whatcom County-Southwest Interior-
Western Skagit County-Everett and Vicinity-Tacoma Area-
Admiralty Inlet Area-Hood Canal Area-Lower Chehalis Valley Area-
Olympics-Eastern Strait of Juan de Fuca-
Western Strait of Juan De Fuca-North Coast-Central Coast-
East Puget Sound Lowlands-Bellevue and Vicinity-Seattle and Vicinity-
Bremerton and Vicinity-Cascades of Whatcom and Skagit Counties-
Cascades of Snohomish and King Counties-
Cascades of Pierce and Lewis Counties-
410 AM PST Wed Nov 22 2017


The recent rains have increased soil moisture to high levels across
Western Washington, with additional heavy rainfall expected at times
tonight into Thursday morning. At the coast, additional rainfall
amounts of 1 to 2 inches are likely, with a half to one and a half
inches over the interior lowlands.

This amount of rain will continue the increased threat of landslides.

For more information about current conditions, visit, select Hydrology Information under Rivers
and Lakes, and then scroll down for the links to the landslide
information pages.

For more information on landslides, visit the website for the
Washington State Department of Natural Resources landslide
geologic hazards at:


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