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
WAC033-230914-
/O.EXT.KSEW.FL.W.0049.000000T0000Z-171124T1400Z/
/SQUW1.1.ER.171122T0955Z.171124T0000Z.171124T0500Z.NO/
514 PM PST Wed Nov 22 2017

...Flood Warning extended until Friday morning...

The Flood Warning continues for
The Snoqualmie River near the Falls
* From 2 AM Wednesday until Friday morning.
* At 3:15 PM Wednesday the flow was 16234 cfs.
* Flood flow is 20000 cfs.
* Minor flooding is forecast.
* Forecast...The river crested at 23580 cfs at 6 AM this morning and
continues to fall. The river will start rising overnight and crest
near 25900 cfs around 4 PM Thursday, then fall below flood stage
Thursday night.
* 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
WAC033-053-240636-
/O.CON.KSEW.FL.W.0066.000000T0000Z-171126T2240Z/
/WRAW1.1.ER.171123T1817Z.171123T2100Z.171126T1340Z.UU/
237 PM PST Thu Nov 23 2017

The Flood Warning continues for
The White River at R Street
* Until Sunday afternoon.
* At 1:45 PM Thursday the flow was 5872 cfs.
* Flood flow is 5500 cfs.
* Minor flooding is occurring and Minor flooding is forecast.
* Impact...At 5500 cfs, river flooding is likely to occur near low
bank areas around and downstream of the Stewart Street Bridge in
the City of Sumner.

&&

LAT...LON 4721 12214 4724 12219 4719 12223 4724 12230 4732 12226
4732 12214

$$

Flood Warning
WAC033-240637-
/O.CON.KSEW.FL.W.0065.000000T0000Z-171124T1648Z/
/SQUW1.1.ER.171123T1605Z.171124T0000Z.171124T0748Z.NO/
237 PM PST Thu Nov 23 2017

The Flood Warning continues for
The Snoqualmie River near the Falls
* Until Friday morning.
* At 2:00 PM Thursday the flow was 22981 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 23305 cfs
around 4 PM Thursday. The river will fall below flood flow tonight.
* 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
WAC033-240637-
/O.CON.KSEW.FL.W.0050.000000T0000Z-171125T0351Z/
/CRNW1.1.ER.171122T2040Z.171124T0600Z.171124T1551Z.NO/
237 PM PST Thu Nov 23 2017

The Flood Warning continues for
The Snoqualmie River near Carnation
* Until Friday evening.
* At 2:15 PM Thursday the stage was 54.4 feet.
* Flood stage is 54.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to rise and crest near 55.5 feet
around 10 PM Thursday. The river will fall below flood stage Friday
morning.
* 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
WAC009-027-031-033-041-053-061-073-241400-
/O.EXT.KSEW.FA.A.0006.000000T0000Z-171124T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clallam-Grays Harbor-Jefferson-King-Lewis-Pierce-Snohomish-
Whatcom-
1259 PM PST Thu Nov 23 2017

...FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT...

The Flood Watch is now in effect for

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

* Through late tonight

* A cold front was moving across Western Washington this afternoon
and will weaken over the Cascades through late this afternoon,
allowing rain to gradually diminish. Cooler air moving over the
area behind the front will lower snow level to around 4000 feet
by early this evening.

* Flooding is already occurring on many Western Washington rivers.
With this second round of rainfall, 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 through 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.

&&

$$

Special Weather Statement
WAZ001-503-504-506-507-509>517-555-556-558-559-567>569-250000-
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-
335 PM PST Thu Nov 23 2017

...SIGNIFICANT RAINFALL THIS WEEK HAS INCREASED THE LANDSLIDE THREAT
IN WESTERN WASHINGTON THROUGH AT LEAST FRIDAY...

Recent rainfall has increased soil moisture to high levels across
Western Washington. Additional heavy rainfall occurred Wednesday
night through early Thursday afternoon. Lowland areas got another
quarter to one inch of rain during this period, which should
maintain the heightened threat of landslides.

For more information about current conditions, visit
www.weather.gov/seattle, select Hydrology Information under Rivers
and Lakes, and then scroll down for the link 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: http://bit.ly/2mtA3wn

$$

National Weather Service

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