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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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Printable Image About this graph Tabular Data (UTC) Tabular Data (PDT) Datum: NGVD29 Metadata

NOTE: Flow values shown may be different than other data sources. All observations are preliminary data. NOTE: Forecasts are not available for the White River below Mud Mountain Dam. Only observed stages are available for this point.

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Upstream Gauge

Downstream Gauge

Flood Categories (in KCFS) Not Available Historic Crests (1) 28,000 cfs on 12/01/1933 (2) 17,000 cfs on 02/26/1932 (3) 16,500 cfs on 11/13/1932 (4) 15,200 cfs on 11/24/1986 (5) 14,800 cfs on 12/02/1977 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 8,679 cfs on 03/12/2007 (P) (2) 11,174 cfs on 11/08/2006 (P) (3) 7,863 cfs on 11/06/2006 (P) (4) 8,100 cfs on 01/12/2006 (P) (5) 7,720 cfs on 01/08/2002 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 0 cfs on 08/19/1959

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. 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. 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. Deep and swift flood waters will inundate roads and surround and cut off access to some homes in the city of Pacific and the Red Creek area. 10000 cfs on the White river corresponds to a phase 3 flood in the King County flood system.
8000	the White River will spill over its banks below Mud Mountain Dam producing high water...overtopped roads...and encroaching on residences. Flood waters will threaten city of Pacific and the Red Creek area. 8000 cfs on the White River corresponds to a phase 2 flood in the King County flood system.

About This Location

Latitude: 47.151389° N, Longitude: 121.948611° W, Horizontal Datum: NAD27 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 0.0 ft Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Mud Mountain Dam

Additional Information

Primary data comes from USACE.

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

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