Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Seattle, WA

Northwest River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (PDT) Datum: Not Available Metadata

NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast. NOTE: Forecast river flows take into account forecasts of dam operations and are subject to change. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the White River at Mud Mtn. Dam - Outflow are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in KCFS) Major Flood Flow: 14 Moderate Flood Flow: 12 Flood Flow: 9 Action Flow: 4.5 Low Stage (in feet): -9999 Historic Crests (1) 15,200 cfs on 11/24/1986 (2) 14,800 cfs on 12/02/1977 (3) 14,700 cfs on 12/02/1995 (4) 14,100 cfs on 01/09/1990 (5) 14,000 cfs on 02/24/1986 (P): Preliminary values subject to further review. Recent Crests (1) 14,700 cfs on 12/02/1995 (2) 14,100 cfs on 01/09/1990 (3) 15,200 cfs on 11/24/1986 (4) 14,000 cfs on 02/24/1986 (5) 14,800 cfs on 12/02/1977 (P): Preliminary values subject to further review. Low Water Records Currently none available.

Zoom Level:16 Legend FEMA Layer Gauge Location Disclaimer Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

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14000	the White River will cause major flooding above and below Mud Mountain Dam downstream to near Auburn. Deep and swift flood waters will inundate roads and residential areas. Damage due to erosion is likely. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the White River Basin. 14000 cfs on the White River corresponds to above phase 4 flood in the King County flood system.
12000	the White River will cause flooding above and below Mud Mountain Dam downstream to near Auburn. Deep and swift flood waters will inundate roads and residential areas. Damage due to erosion is likely. 12000 cfs on the White River corresponds to a phase 4 flood in the King County flood system.
10000	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.
8000	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.

About This Location

Latitude: 47.140833° N, Longitude: 121.930000° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS flow Not Available Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available

Additional Information

Primary data comes from USACE. Crest history through 2003 comes from the downstream gage White River near Buckley.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary USGS Streamflow Data USACE real time/archived data query

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Inundation Mapping Locations Snow Information Flood Smart/National Flood Insurance Program

Collaborative Agencies The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here. NWS Information National Weather Service Seattle Weather Forecast Office 7600 Sandpoint Way NE Seattle, WA 98115-6349 (206) 526-6087 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:27 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities