Weather Alerts for Tacoma AreaIssued by the National Weather Service |
Flood Warning
Flood Warning
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| TACOMA AREA | ||
Areas Affected: King, WA - Pierce, WA |
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| Effective: Sat, 12/13 9:39am | Updated: Sat, 12/13 1:53pm | Urgency: Immediate |
| Expires: Sat, 12/13 5:45pm | Severity: Severe | Certainty: Observed |
Details:
...The Flood Warning continues for the following rivers in Washington... White River Near Mud Mtn. Dam Outflow affecting King and Pierce Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...White River near Mud Mtn. Dam Outflow. * WHEN...Until further notice. * IMPACTS...At 10,000.0 cfs, the White River will flood areas above and below Mud Mountain Dam downstream to near Auburn. Deep and swift flood waters will inundate roads and surround and cut off access to some homes in the Red Creek area. Flood damages occur at the fish hatchery near the City of Enumclaw. 10000 cfs on the White river corresponds to a phase 4 flood in the King County flood system. * ADDITIONAL DETAILS... - At 9:00 AM PST Saturday the flow was 10,050.0 cfs. - Flood flow is 9,000.0 cfs. - Recent Activity...The maximum river flow in the 24 hours ending at 9:00 AM PST Saturday was 10,050.0 cfs. - Forecast...The river is expected to fall to 10,000.0 cfs early Tuesday morning. - http://www.weather.gov/safety/flood Information: Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. 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 545 PM PST. |
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| TACOMA AREA | ||
Areas Affected: King, WA - Pierce, WA |
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| Effective: Sat, 12/13 9:39am | Updated: Sat, 12/13 1:53pm | Urgency: Expected |
| Expires: Sat, 12/13 5:45pm | 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 King and Pierce Counties. * 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 8:45 AM PST Saturday the flow was 9,100.0 cfs. - Flood flow is 7,500.0 cfs. - Recent Activity...The maximum river flow in the 24 hours ending at 8:45 AM PST Saturday was 10,200.0 cfs. - Forecast...The river is expected to rise to a crest of 10,180.0 cfs late this evening. It will then rise to 10,240.0 cfs early Tuesday morning. Additional rises are possible thereafter. - http://www.weather.gov/safety/flood Information: Caution is urged when walking near riverbanks. 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. Additional information is available at www.weather.gov. The next statement will be issued by this afternoon at 545 PM PST. |
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| TACOMA AREA | ||
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 |
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| Effective: Sat, 12/13 8:12am | Updated: Sat, 12/13 1:53pm | Urgency: Expected |
| Expires: Sun, 12/14 11:00am | Severity: Moderate | Certainty: Observed |
Details:
Rainfall of 2 to 12 inches over the past several days, with locally higher amounts to 17 inches, has increased soil moisture to very high levels across western Washington. This amount of rain will put extra pressure on soil instability, leading to an increased threat of landslides and debris flows, especially from recent burned areas. Numerous landslides have already been reported in the western Cascades in western Washington. More landslides are possible. 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 |
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| TACOMA AREA | ||
Areas Affected: Clallam, WA - Grays Harbor, WA - Jefferson, WA - King, WA - Kitsap, WA - Lewis, WA - Mason, WA - Pierce, WA - Skagit, WA - Snohomish, WA - Thurston, WA - Whatcom, WA |
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| Effective: Sat, 12/13 6:26am | Updated: Sat, 12/13 1:53pm | Urgency: Future |
| Expires: Sat, 12/13 7:30pm | Severity: Unknown | Certainty: Possible |
Details:
ESFSEW Another strong atmospheric river will impact western Washington starting late Sunday extending into mid week. Snow levels will rise as high as 8500 feet Monday before lowering to 3500 to 4500 feet Tuesday. Soils will still be saturated and rivers will be elevated. A few rivers might not drop below flood stage before this round of rain begins. Expect rising rivers with the potential for flooding, urban flooding, and landslides. Debris flows are also possible throughout this period. Please monitor the latest river forecasts from the National Weather Service for additional information. |
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