Weather Alerts for Pierce County

Issued by the National Weather Service

Winter Storm Warning  WINTER STORM WARNING   Winter Storm Warning
PIERCE COUNTY

Areas Affected:
Cascades of Southern King County - Cascades of Pierce and Lewis Counties - Olympics
Effective: Tue, 12/16 2:42am Updated: Tue, 12/16 12:30pm Urgency: Expected
Expires: Tue, 12/16 2:00pm Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Heavy snow expected. Total snow accumulations 10 to 15
inches at Snoqualmie Pass and Hurricane Ridge. Total accumulation
of 18 to 24 inches elsewhere with higher amounts at Paradise on
Mount Rainier. Winds gusting as high as 65 mph.

* WHERE...Olympics, Cascades of Pierce and Lewis Counties, and
Cascades of Southern King County.

* WHEN...From 4 PM this afternoon to 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult to impossible. Very
strong winds could cause extensive tree damage.

Information:
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages.

High Wind Warning  HIGH WIND WARNING   High Wind Warning
PIERCE COUNTY

Areas Affected:
Lowlands of Western Skagit and Northwestern Snohomish Counties - Downtown Everett / Marysville Area - Lowlands of Pierce and Southern King Counties - Olympia and Southern Puget Sound - Middle Chehalis River Valley - Southern Hood Canal - Northern Hood Canal - Port Townsend Area - Eastern Strait of Juan de Fuca - Western Strait of Juan de Fuca - Lake Crescent Area Including US 101 - Foothills of the Western and Southern Olympic Peninsula - Northern Washington Coast - Grays Harbor County Coast - Lower Chehalis River Valley - Island County
Effective: Tue, 12/16 8:07am Updated: Tue, 12/16 12:30pm Urgency: Expected
Expires: Tue, 12/16 7:00pm Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 to 55 mph
expected.

* WHERE...Portions of northwest and west central Washington.

* WHEN...From 4 PM this afternoon to 6 AM PST Wednesday.

* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.

Information:
People should avoid being outside in forested areas and around trees
and branches. If possible, remain in the lower levels of your home
during the windstorm, and avoid windows. Use caution if you must
drive.

Flood Warning  FLOOD WARNING   Flood Warning
PIERCE COUNTY

Areas Affected:
King, WA - Pierce, WA
Effective: Tue, 12/16 8:05am Updated: Tue, 12/16 12:30pm Urgency: Expected
Expires: Tue, 12/16 4:15pm Severity:  Severe  Certainty: Likely

 
Details:
...Forecast flooding changed from Minor to Moderate severity for the
following rivers in Washington...

White River At R Street Bridge affecting Pierce and King Counties.

.Dam operations to reduce the flood pool for area dams will
maintain elevated flow levels below the dams.New rainfall today and
tonight will increase inflows into the reservoirs.

* WHAT...Minor flooding is occurring and moderate flooding is
forecast.

* WHERE...White River at R Street Bridge.

* WHEN...Until further notice.

* IMPACTS...At 10,000.0 cfs, River flooding may occur upstream of
the A Street Bridge in the City of Auburn. River levels will
likely be up against the temporary flood protection barriers, with
flooding likely at Government Canal and Butte Avenue in the City
of Pacific and downstream of the Stewart Street Bridge in the City
of Sumner.

* ADDITIONAL DETAILS...
- At 6:45 AM PST Tuesday the flow was 8,450.0 cfs.
- Flood flow is 7,500.0 cfs.
- Forecast...The river is expected to rise above flood stage
again to a crest of 10,500 cfs late tomorrow evening and
fluctuate near that level for several days.
- http://www.weather.gov/safety/flood

Information:
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

This will be the last river flood statement on this event. Stay
tuned to developments.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued by this afternoon at 415 PM PST.

Flood Warning  FLOOD WARNING   Flood Warning
PIERCE COUNTY

Areas Affected:
King, WA - Pierce, WA
Effective: Tue, 12/16 8:05am Updated: Tue, 12/16 12:30pm Urgency: Immediate
Expires: Tue, 12/16 4:15pm Severity:  Severe  Certainty: Observed

 
Details:
...The Flood Warning is extended for the following rivers in
Washington...

White River Near Mud Mtn. Dam Outflow affecting Pierce and King
Counties.

.Dam operations to reduce the flood pool for area dams will
maintain elevated flow levels below the dams.New rainfall today and
tonight will increase inflows into the reservoirs.

* WHAT...Minor flooding is forecast.

* WHERE...White River near Mud Mtn. Dam Outflow.

* WHEN...Until further notice.

* IMPACTS...At 8,000.0 cfs, the White River will spill over its
banks below Mud Mountain Dam producing high water that will
encroach on roads and residences, particularly in the Red Creek
area. 8000 cfs on the White River is within phase 3 flood in the
King County flood system.

* ADDITIONAL DETAILS...
- At 7:00 AM PST Tuesday the flow was 7,990.0 cfs.
- Flood flow is 9,000.0 cfs.
- Forecast...The river is expected to rise above flood stage
around noon to 9,500 cfs late this morning and remain there
for several days.
- http://www.weather.gov/safety/flood

Information:
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Additional information is available at www.weather.gov.

The next statement will be issued by this afternoon at 415 PM PST.

Flood Warning  FLOOD WARNING   Flood Warning
PIERCE COUNTY

Areas Affected:
King, WA - Pierce, WA
Effective: Tue, 12/16 7:43am Updated: Tue, 12/16 12:30pm Urgency: Expected
Expires: Tue, 12/16 7:45pm Severity:  Severe  Certainty: Likely

 
Details:
* WHAT...Flooding caused by a HESCO levee failure is expected.

* WHERE...A portion of west central Washington, including the
following counties, King and Pierce.

* WHEN...Until 745 PM PST Tuesday.

* IMPACTS...Flooding of areas in Pacific near the HESCOs levee break
is imminent or occurring.

* ADDITIONAL DETAILS...
- At 739 AM PST, county dispatch reported a failure of White
River HESCOs in Pacific on the White River. This flood
warning replaces the previous Flash Flood Warning. Flooding
will continue today while efforts to reduce or end it are
ongoing.
- http://www.weather.gov/safety/flood

Information:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.

Wind Advisory  WIND ADVISORY   Wind Advisory
PIERCE COUNTY

Areas Affected:
San Juan County - Foothills and Valleys of the North Cascades - Foothills and Valleys of Snohomish and Northern King Counties - Foothills and Valleys of Central King County - Foothills and Valleys of Pierce and Southern King Counties - Lowlands of Western Whatcom County - Shoreline / Lynnwood / South Everett Area - Eastside - City of Seattle
Effective: Tue, 12/16 8:07am Updated: Tue, 12/16 12:30pm Urgency: Expected
Expires: Tue, 12/16 7:00pm Severity:  Moderate  Certainty: Likely

 
Details:
* WHAT...Southwest winds 20 to 30 mph with gusts up to 40 to 45 mph
expected.

* WHERE...Foothills and Valleys of the North Cascades, Lowlands of
Western Whatcom County, San Juan County, City of Seattle,
Eastside, Foothills and Valleys of Central King County, Foothills
and Valleys of Pierce and Southern King Counties, Foothills and
Valleys of Snohomish and Northern King Counties, and Shoreline /
Lynnwood / South Everett Area.

* WHEN...From 4 PM this afternoon to 6 AM PST Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

Information:
Use extra caution when driving, especially if operating a high
profile vehicles. Secure outdoor objects.

Flood Watch  FLOOD WATCH   Flood Watch
PIERCE COUNTY

Areas Affected:
Grays Harbor, WA - King, WA - Lewis, WA - Pierce, WA - Skagit, WA - Snohomish, WA - Thurston, WA - Whatcom, WA
Effective: Tue, 12/16 3:10am Updated: Tue, 12/16 12:30pm Urgency: Future
Expires: Tue, 12/16 4:15pm Severity:  Severe  Certainty: Possible

 
Details:
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

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

* WHEN...Through Thursday afternoon.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Storm drains and ditches may
become clogged with debris. Area creeks and streams are running
high and could flood with more heavy rain.

* ADDITIONAL DETAILS...
- A weather system moving into Western Washington will bring
another 1 to 3 inches of precipitation to the area later
today into Wednesday.

Urban and small stream flooding remains possible for areas
with poor drainage.

Very saturated soils will maintain increased risk for
potential landslides and debris flows off of burn scars.
- http://www.weather.gov/safety/flood

Information:
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  SPECIAL WEATHER STATEMENT   Special Weather Statement
PIERCE COUNTY

Areas Affected:
San Juan County - Cascades of Whatcom and Skagit Counties - Cascades of Snohomish and Northern King Counties - Cascades of Southern King County - Cascades of Pierce and Lewis Counties - Foothills and Valleys of the North Cascades - Foothills and Valleys of Snohomish and Northern King Counties - Foothills and Valleys of Central King County - Foothills and Valleys of Pierce and Southern King Counties - Foothills and Valleys of Thurston and Lewis Counties - Lowlands of Western Whatcom County - Lowlands of Western Skagit and Northwestern Snohomish Counties - Downtown Everett / Marysville Area - Shoreline / Lynnwood / South Everett Area - Eastside - City of Seattle - Lowlands of Pierce and Southern King Counties - Olympia and Southern Puget Sound - Lowlands of Lewis and Southern Thurston Counties - Middle Chehalis River Valley - Willapa and Black Hills - Southern Hood Canal - Northern Hood Canal - Eastern Kitsap County - Port Townsend Area - Eastern Strait of Juan de Fuca - Western Strait of Juan de Fuca - Lake Crescent Area Including US 101 - Olympics - Foothills of the Western and Southern Olympic Peninsula - Northern Washington Coast - Grays Harbor County Coast - Lower Chehalis River Valley - Island County
Effective: Tue, 12/16 4:10am Updated: Tue, 12/16 12:30pm Urgency: Expected
Expires: Tue, 12/16 4:15pm Severity:  Moderate  Certainty: Observed

 
Details:
Rainfall from the past week has increased soil moisture to high
levels across western Washington. Additional rainfall of of one to
three inches is expected with the system today into Wednesday
morning. This amount of rain will continue to put extra pressure on
soil instability, leading to an increased threat of landslides and
debris flows, especially from recent burned areas. This rain event
could act as a trigger for new landslides.

Areas most susceptible to landslides debris flows under these
conditions are steep coastal bluffs, other steep hillsides or
road cuts, and recent burned areas. A diminishing threat of
landslides and debris flows will continue for several days after
the rain ends.

For more information about current conditions, visit
www.weather.gov/seattle, select Hydrology, 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: http://bit.ly/2mtA3wn