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Weather Forecast Office Grand Rapids, MI

North Central River Forecast Center

Freeze Warning

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 (EDT) Datum: NAVD88 Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. NOTE: Stage may be affected by ice during winter months. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Flat River at Smyrna are issued as needed during times of high water, but are not routinely available.

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Flood Categories (in feet) Major Flood Stage: 10.5 Moderate Flood Stage: 9.5 Flood Stage: 8.5 Action Stage: 5.5 Low Stage (in feet): -9999 Historic Crests (1) 9.05 ft on 09/13/1986 (2) 8.50 ft on 01/22/2005 (3) 7.84 ft on 12/22/2000 (4) 7.77 ft on 01/26/2005 (5) 7.72 ft on 01/16/1997 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 5.73 ft on 06/28/2021 (2) 7.01 ft on 05/20/2020 (3) 6.87 ft on 03/17/2019 (4) 6.63 ft on 02/23/2018 (5) 5.86 ft on 04/07/2017 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 2.30 ft on 09/09/1953 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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9.05	Expect major flooding of campground sites and evacuation of campers in Double R Ranch Campground during the camping season. Approximately a dozen homes have water in their basements.
8.5	Flooding begins to impact homes and flood basements in low lying areas along the river.
7	Expect minor flooding of about 30 Double R Ranch Campground sites and in low lying areas adjacent to the river.
6	Expect minor flooding of low lying areas adjacent to the river and Double R Ranch Campground.
5.5	River is bankfull. Overflow begins in low areas adjacent to the river.

About This Location

Latitude: 43.052809° N, Longitude: 85.264739° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 8.5 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 729.14 ft 737.64 ft 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   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Smyrna

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

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 Grand Rapids Weather Forecast Office 4899 Tim Dougherty Drive SE Grand Rapids, MI 49512-4034 (616) 949-0643 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities