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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 (PST) Datum: NGVD29 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. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Nooksack River at North Cedarvillle are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 150 Moderate Flood Stage: 148 Flood Stage: 146.5 Action Stage: 144.8 Low Stage (in feet): 0 Historic Crests (1) 150.35 ft on 11/16/2021 (P) (2) 149.61 ft on 11/06/2006 (3) 149.61 ft on 10/17/2003 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 146.62 ft on 11/05/2022 (P) (2) 150.35 ft on 11/16/2021 (P) (3) 148.68 ft on 02/01/2020 (P) Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 138.22 ft on 01/06/2004

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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150	the Nooksack River will cause major near record flooding downstream through Lynden. Deep and swift flood waters will inundate farm lands...roads...and residential areas. The flood may overtop levees. In addition...flood waters could overflow and flood the Sumas drainage. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Nooksack River Basin.
148	the Nooksack River will cause widespread flooding downstream through Lynden...with swift waters covering some farm lands and roads. Erosion may affect some river banks.
147.3	the Nooksack River cause widespread flooding of low farm lands along the river downstream through Lynden...with swift water moving over several roads.
146.5	the Nooksack River will cause shallow flooding of low pasture lands along the river downstream through Lynden.

About This Location

Latitude: 48.841782° N, Longitude: 122.294326° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 146.5 ft 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 ft 146.5 ft 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 North Cedarvillle

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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