ALERT: December 13th update on the status of the nationwide data transmission error preventing stream gauge data collected at affected locations from being displayed on the Advanced Hydrologic Prediction Services (AHPS) webpages. As of 11/08/2018, The USGS has restored all impacted operational stream gauges to transmitting status. The status map of gauge outages from other agencies is here. This will be the last outage map posted as over 95% of the gauge outages have been restored. Local NWS offices will continue to monitor the remaining gauge outages.

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) Not Available

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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: Gauge reading may be affected by ice during freezing weather from November to April. NOTE: Forecasts for the Grand River at Jackson are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 16 Moderate Flood Stage: 15 Flood Stage: 14 Action Stage: 13 Low Flow (in CFS): -9999 Historic Crests (1) 15.44 ft on 06/25/1968 (2) 15.20 ft on 08/17/1995 (3) 15.12 ft on 08/16/2016 (4) 15.12 ft on 08/16/2016 (5) 14.66 ft on 06/06/2010 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 14.59 ft on 09/01/2018 (2) 14.03 ft on 02/21/2018 (3) 14.09 ft on 02/21/2018 (4) 15.12 ft on 08/16/2016 (5) 15.12 ft on 08/16/2016 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 8.00 ft on 08/22/1936 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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16.5	Expect widespread street flooding, impassable roads and flooded basements. Expect major flooding of the industrial area downtown and businesses and residences along West Trail Street in an area east of Grand River Bridge, Lewis Street, High Street, and Losey Street.
16	Expect major flooding of residences along West Trail Street, Lewis Street, High Street, Losey Street and in areas east of Grand River Bridge. Railroad tracks inundated in low lying areas along river.
15	Expect moderate flooding of residences along High Street, Lewis Street, and Losey Street. High water would disrupt traffic and damage residences.
14	Expect minor flooding of low lying areas.
13	River is bankfull. River begins to flow into low lying areas.
Photos (1) Grand River at Jackson - Looking Downstream (2) Inside USGS Gaging Station (3) USGS Gaging Station on the Grand River at Jackson (4) Grand River at Jackson - Looking Upstream

About This Location

Latitude: 42.283611° N, Longitude: 84.408889° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 14 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 29 900 ft 914 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 Jackson

Additional Information

How low could the river get? USGS Streamflow Duration Hydrographs

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 Flood Damage Costs/Fatalities in the US, 1903 - 2014 AHPS Web Brochure Center for Operational Oceanographic Products and Services 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 South Complex Drive SE Grand Rapids, MI 49512-4034 (616) 949-0643 Ask Questions/Webmaster Page last modified: 21-Dec-2016 10:38 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities