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Weather Forecast Office Binghamton, NY

Middle Atlantic River Forecast Center

Special Weather Statement

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: Forecasts for the Tioughnioga River at Cortland are issued routinely year-round.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 12.5 Moderate Flood Stage: 10 Flood Stage: 8 Action Stage: 7 Low Stage (in feet): -9999 Historic Crests (1) 14.07 ft on 04/03/2005 (2) 13.82 ft on 04/05/1950 (3) 13.56 ft on 12/31/1942 (4) 13.54 ft on 04/05/1956 (5) 13.52 ft on 03/31/1960 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 8.39 ft on 01/27/2024 (P) (2) 9.50 ft on 12/19/2023 (P) (3) 8.52 ft on 05/02/2023 (P) (4) 8.31 ft on 10/28/2021 (5) 10.84 ft on 10/27/2021 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

If you notice any errors in the below information, please contact our Webmaster
14.07	Record flood of April 2005. Widespread inundation and major flood damage occurred along the river from Cortland to Marathon.
13.02	Severe flooding occurs in areas from the City of Cortland to Marathon with 3-4 feet of water covering many city streets in Cortland. Residents in the Kennedy Parkway area are cutoff by floodwaters. This is the level of the January 1996 rain and snow melt flood.
12.5	Major flood stage. Severe flooding occurs in the Village of Marathon with 4-6 feet of water covering most of the streets in town. Many homes and businesses are inundated to the first floor. Widespread basement flooding occurs in the City of Cortland along River Street and the Yaman Park area.
11.5	Widespread, serious flooding occurs in cellars and up to the first floor of homes and businesses in Marathon. Cellar flooding occurs on the east side of Cortland near Yaman Park. Kellogg Road is covered by water 3-6 feet deep in spots.
10	Moderate flood stage. Some flooding begins to affect roads and basements in the Village of Marathon and the Yaman Park area of Cortland.
8	Minor flood stage. Flooding leads to some closures along Kellogg Road to the south of Cortland.
7	The river spills it/s banks into the low lying flood plain. No impact occurs at this stage.
Photos (1) looking upstream (2) view of gagehouse (3) looking downstream

About This Location

Latitude: 42.602778° N, Longitude: 76.159722° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 8 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 1084.46 ft 1092.46 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 1084.92 ft 1092.92 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 Cortland

Additional Information

Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels 10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS) Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours. Click individual graphics to enlarge.

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Automated Flood Warning Systems Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information Local Hydrology Information Ensemble River Forecasts Hourly Precipitation

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 Binghamton Weather Forecast Office 32 Dawes Drive Johnson City, NY 13790 (607) 729-1597 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities