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Weather Forecast Office Grand Rapids, MI

North Central 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 (EST) Datum: NGVD29 Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. NOTE: Stage may be affected by ice during winter months. NOTE: Forecasts for the Grand River at Grand Ledge are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 15 Moderate Flood Stage: 13 Flood Stage: 11 Action Stage: 10 Low Stage (in feet): -9999 Historic Crests (1) 14.00 ft on 03/26/1904 (2) 12.00 ft on 04/07/1947 (3) 11.90 ft on 02/16/1918 (4) 11.51 ft on 03/19/1982 (5) 11.40 ft on 03/14/1920 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 8.00 ft on 08/12/2021 (2) 9.00 ft on 05/21/2020 (3) 8.00 ft on 06/21/2019 (4) 8.00 ft on 05/16/2018 (5) 8.40 ft on 04/20/2013 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available. For more information on your flood risk go to www.floodsmart.gov. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

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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15	High water affects the Water and Sewage Plant in Grand Ledge. Expect major flooding in the area.
11	Expect minor flooding in low lying areas and farmland along the river.
10	River is bankfull.
8	Expect minor flooding of islands located near the gage.
Photos (1) Grand River at Grand Ledge - Looking Downstream at Second Island (2) Grand River at Grand Ledge - Looking Downstream at Bridge (3) Grand River at Grand Ledge - Looking Downstream from Bridge (4) Staff Gage on Grand River at Grand Ledge (5) Staff gage on the Grand River in Grand Ledge Second Island Park (6) Grand River at Grand Ledge - Looking Upstream from Bridge (7) Grand River at Grand Ledge - Looking Downstream from Second Island Park (8) Grand River at Grand Ledge - Looking Downstream from Bridge to Second Island Park (9) Low Head Dam on the Grand River in Grand Ledge located below the river gage

About This Location

Latitude: 42.755560° N, Longitude: 84.746360° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 11 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 29 782.85 ft 793.85 ft Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available

Additional Information

How low could the river get?

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary USGS Water Watch for Michigan Hydrometeorological Design Studies Center National Operational Hydrologic Remote Sensing Center United States Water Monitor USGS Water Watch National Precipitation Graphic Suite Inundation Mapping Locations Zoomable Precipitation Map National Snowfall Map Local Hydrologic Reports (E3/E5)

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management NOAA Great Lakes Water Levels Floodsmart Flood Safety Emergency Preparedness and Response Palmer Drought Index U.S. Drought Assessment U.S. Drought Portal U.S. Drought Monitor for Michigan NOAA Climate Services Snow Information The Cost of Flooding NowCOAST

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