Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Cheyenne, WY

Missouri Basin 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 (MDT) Datum: NGVD29 Metadata

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the North Platte River near Henry 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: 7.5 Moderate Flood Stage: 6.5 Flood Stage: 5.5 Action Stage: 4.5 Low Stage (in feet): -9999 Historic Crests (1) 6.77 ft on 05/11/2018 (2) 6.56 ft on 07/23/1983 (3) 6.52 ft on 05/28/2016 (4) 6.45 ft on 06/11/2011 (5) 6.42 ft on 06/04/1984 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 4.33 ft on 08/19/2019 (P) (2) 4.30 ft on 06/09/2019 (P) (3) 3.58 ft on 09/06/2018 (4) 6.77 ft on 05/11/2018 (5) 5.10 ft on 06/04/2017 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:14 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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7.5	Major lowland flooding occurs. Only minor flooding in the town of Henry.
6.56	Record stage established on July 23 1983.
6.5	Lowland flooding intensifies and becomes more widespread. Homes along the North Platte River will be totally inundated with basement and overland flooding.
6.04	Record flow of 17,900 cfs established on June 2 1929.
5.5	Flood stage. Minor lowland flooding occurs. Homes along the North Platte River will have water in their basements.
4.5	Bankfull stage. Homes along the North Platte River will begin to experience water seepage into their basements.
Photos (1) Looking Upstream---High Flow (near 6,000 cfs)---June 2010 (2) Looking Downstream---High Flow (near 6,000 cfs)---June 2010 (3) Looking Upstream---Moderate Flow (4) Looking Downstream---Moderate Flow (5) Looking Upstream---Low Flow (6) Looking Downstream---Low Flow

About This Location

Latitude: 41.988576° N, Longitude: 104.053282° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 5.5 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 4025 ft 4030 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 Henry

Additional Information

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Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary USGS Water Monitor USGS Real Time Water Data Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management USBR Local Reservoir Levels Boat Ramp Data on Local Reservoirs National Significant River Flood Outlook Seasonal Drought Outlook NOHRSC Interactive Snow Information Snow Telemetry (SNOTEL) Data & Products

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