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Hydrograph River at a Glance Download
Genesee River at Wellsville Stage (ft)Flow (kcfs)Highest Observation: 4.59 ft at 4:15PM May 25, 2015Highest Observation: 4.59 ft at 4:30PM May 25, 2015Highest Observation: 4.59 ft at 4:45PM May 25, 2015Highest Observation: 4.59 ft at 5:00PM May 25, 2015Highest Observation: 4.59 ft at 5:15PM May 25, 2015Highest Observation: 4.59 ft at 5:30PM May 25, 2015Highest Observation: 4.59 ft at 5:45PM May 25, 2015Highest Observation: 4.59 ft at 6:00PM May 25, 2015Highest Observation: 4.59 ft at 6:15PM May 25, 2015Highest Observation: 4.59 ft at 6:30PM May 25, 2015Highest Observation: 4.59 ft at 6:45PM May 25, 2015Highest Observation: 4.59 ft at 7:00PM May 25, 2015Highest Observation: 4.59 ft at 7:15PM May 25, 2015Highest Observation: 4.59 ft at 7:30PM May 25, 2015Highest Observation: 4.59 ft at 7:45PM May 25, 2015Highest Observation: 4.59 ft at 8:00PM May 25, 2015Highest Observation: 4.59 ft at 8:15PM May 25, 2015Highest Observation: 4.59 ft at 8:30PM May 25, 2015Highest Observation: 4.59 ft at 8:45PM May 25, 2015Highest Observation: 4.59 ft at 9:00PM May 25, 2015Highest Observation: 4.59 ft at 9:15PM May 25, 2015Observed: 4.58 ft at 9:30PM May 25, 2015Observed: 4.58 ft at 9:45PM May 25, 2015Observed: 4.58 ft at 10:00PM May 25, 2015Observed: 4.58 ft at 10:15PM May 25, 2015Observed: 4.58 ft at 10:30PM May 25, 2015Observed: 4.58 ft at 10:45PM May 25, 2015Observed: 4.58 ft at 11:00PM May 25, 2015Observed: 4.58 ft at 11:15PM May 25, 2015Observed: 4.58 ft at 11:30PM May 25, 2015Observed: 4.58 ft at 11:45PM May 25, 2015Observed: 4.58 ft at 12:00AM May 26, 2015Observed: 4.58 ft at 12:15AM May 26, 2015Observed: 4.58 ft at 12:30AM May 26, 2015Observed: 4.58 ft at 12:45AM May 26, 2015Observed: 4.58 ft at 1:00AM May 26, 2015Observed: 4.58 ft at 1:15AM May 26, 2015Observed: 4.58 ft at 1:30AM May 26, 2015Observed: 4.58 ft at 1:45AM May 26, 2015Observed: 4.58 ft at 2:00AM May 26, 2015Observed: 4.58 ft at 2:15AM May 26, 2015Observed: 4.58 ft at 2:30AM May 26, 2015Observed: 4.58 ft at 2:45AM May 26, 2015Observed: 4.57 ft at 3:00AM May 26, 2015Observed: 4.57 ft at 3:15AM May 26, 2015Observed: 4.57 ft at 3:30AM May 26, 2015Observed: 4.57 ft at 3:45AM May 26, 2015Observed: 4.57 ft at 4:00AM May 26, 2015Observed: 4.57 ft at 4:15AM May 26, 2015Observed: 4.57 ft at 4:30AM May 26, 2015Observed: 4.57 ft at 4:45AM May 26, 2015Observed: 4.57 ft at 5:00AM May 26, 2015Observed: 4.57 ft at 5:15AM May 26, 2015Observed: 4.57 ft at 5:30AM May 26, 2015Observed: 4.57 ft at 5:45AM May 26, 2015Observed: 4.57 ft at 6:00AM May 26, 2015Observed: 4.56 ft at 6:15AM May 26, 2015Observed: 4.56 ft at 6:30AM May 26, 2015Observed: 4.56 ft at 6:45AM May 26, 2015Observed: 4.56 ft at 7:00AM May 26, 2015Observed: 4.56 ft at 7:15AM May 26, 2015Observed: 4.56 ft at 7:30AM May 26, 2015Observed: 4.57 ft at 7:45AM May 26, 2015Observed: 4.57 ft at 8:00AM May 26, 2015Observed: 4.57 ft at 8:15AM May 26, 2015Observed: 4.57 ft at 8:30AM May 26, 2015Observed: 4.57 ft at 8:45AM May 26, 2015Observed: 4.57 ft at 9:00AM May 26, 2015Observed: 4.57 ft at 9:15AM May 26, 2015Observed: 4.57 ft at 9:30AM May 26, 2015Observed: 4.57 ft at 9:45AM May 26, 2015Observed: 4.57 ft at 10:00AM May 26, 2015Observed: 4.57 ft at 10:15AM May 26, 2015Observed: 4.57 ft at 10:30AM May 26, 2015Observed: 4.57 ft at 10:45AM May 26, 2015Observed: 4.57 ft at 11:00AM May 26, 2015Observed: 4.57 ft at 11:15AM May 26, 2015Observed: 4.57 ft at 11:30AM May 26, 2015Observed: 4.57 ft at 11:45AM May 26, 2015Observed: 4.57 ft at 12:00PM May 26, 2015Observed: 4.57 ft at 12:15PM May 26, 2015Observed: 4.57 ft at 12:30PM May 26, 2015Observed: 4.57 ft at 12:45PM May 26, 2015Observed: 4.57 ft at 1:00PM May 26, 2015Observed: 4.57 ft at 1:15PM May 26, 2015Observed: 4.57 ft at 1:30PM May 26, 2015Observed: 4.57 ft at 1:45PM May 26, 2015Observed: 4.57 ft at 2:00PM May 26, 2015Observed: 4.57 ft at 2:15PM May 26, 2015Observed: 4.57 ft at 2:30PM May 26, 2015Observed: 4.57 ft at 2:45PM May 26, 2015Observed: 4.57 ft at 3:00PM May 26, 2015Observed: 4.56 ft at 3:15PM May 26, 2015Observed: 4.56 ft at 3:30PM May 26, 2015Observed: 4.56 ft at 3:45PM May 26, 2015Observed: 4.56 ft at 4:00PM May 26, 2015Observed: 4.56 ft at 4:15PM May 26, 2015Observed: 4.56 ft at 4:30PM May 26, 2015Observed: 4.56 ft at 4:45PM May 26, 2015Observed: 4.56 ft at 5:00PM May 26, 2015Observed: 4.56 ft at 5:15PM May 26, 2015Observed: 4.56 ft at 5:30PM May 26, 2015Observed: 4.56 ft at 5:45PM May 26, 2015Observed: 4.56 ft at 6:00PM May 26, 2015Observed: 4.56 ft at 6:15PM May 26, 2015Observed: 4.57 ft at 6:30PM May 26, 2015Observed: 4.57 ft at 6:45PM May 26, 2015Observed: 4.57 ft at 7:00PM May 26, 2015Observed: 4.57 ft at 7:15PM May 26, 2015Observed: 4.57 ft at 7:30PM May 26, 2015Observed: 4.57 ft at 7:45PM May 26, 2015Observed: 4.57 ft at 8:00PM May 26, 2015Observed: 4.57 ft at 8:15PM May 26, 2015Observed: 4.57 ft at 8:30PM May 26, 2015Observed: 4.57 ft at 8:45PM May 26, 2015Observed: 4.57 ft at 9:00PM May 26, 2015Observed: 4.57 ft at 9:15PM May 26, 2015Observed: 4.57 ft at 9:30PM May 26, 2015Observed: 4.57 ft at 9:45PM May 26, 2015Observed: 4.57 ft at 10:00PM May 26, 2015Observed: 4.57 ft at 10:15PM May 26, 2015Observed: 4.57 ft at 10:30PM May 26, 2015Observed: 4.57 ft at 10:45PM May 26, 2015Observed: 4.57 ft at 11:00PM May 26, 2015Observed: 4.57 ft at 11:15PM May 26, 2015Observed: 4.57 ft at 11:30PM May 26, 2015Observed: 4.57 ft at 11:45PM May 26, 2015Observed: 4.57 ft at 12:00AM May 27, 2015Observed: 4.57 ft at 12:15AM May 27, 2015Observed: 4.57 ft at 12:30AM May 27, 2015Observed: 4.57 ft at 12:45AM May 27, 2015Observed: 4.57 ft at 1:00AM May 27, 2015Observed: 4.57 ft at 1:15AM May 27, 2015Observed: 4.57 ft at 1:30AM May 27, 2015Observed: 4.57 ft at 1:45AM May 27, 2015Observed: 4.57 ft at 2:00AM May 27, 2015Observed: 4.57 ft at 2:15AM May 27, 2015Observed: 4.57 ft at 2:30AM May 27, 2015Observed: 4.57 ft at 2:45AM May 27, 2015Observed: 4.57 ft at 3:00AM May 27, 2015Observed: 4.57 ft at 3:15AM May 27, 2015Observed: 4.57 ft at 3:30AM May 27, 2015Observed: 4.57 ft at 3:45AM May 27, 2015Observed: 4.57 ft at 4:00AM May 27, 2015Observed: 4.57 ft at 4:15AM May 27, 2015Observed: 4.57 ft at 4:30AM May 27, 2015Observed: 4.57 ft at 4:45AM May 27, 2015Observed: 4.57 ft at 5:00AM May 27, 2015Observed: 4.57 ft at 5:15AM May 27, 2015Observed: 4.57 ft at 5:30AM May 27, 2015Observed: 4.56 ft at 5:45AM May 27, 2015Observed: 4.56 ft at 6:00AM May 27, 2015Observed: 4.56 ft at 6:15AM May 27, 2015Observed: 4.56 ft at 6:30AM May 27, 2015Observed: 4.56 ft at 6:45AM May 27, 2015Observed: 4.56 ft at 7:00AM May 27, 2015Observed: 4.56 ft at 7:15AM May 27, 2015Observed: 4.56 ft at 7:30AM May 27, 2015Observed: 4.56 ft at 7:45AM May 27, 2015Observed: 4.56 ft at 8:00AM May 27, 2015Observed: 4.56 ft at 8:15AM May 27, 2015Observed: 4.55 ft at 8:30AM May 27, 2015Observed: 4.55 ft at 8:45AM May 27, 2015Observed: 4.55 ft at 9:00AM May 27, 2015Observed: 4.55 ft at 9:15AM May 27, 2015Observed: 4.55 ft at 9:30AM May 27, 2015Observed: 4.55 ft at 9:45AM May 27, 2015Observed: 4.55 ft at 10:00AM May 27, 2015Observed: 4.55 ft at 10:15AM May 27, 2015Observed: 4.55 ft at 10:30AM May 27, 2015Observed: 4.55 ft at 10:45AM May 27, 2015Observed: 4.55 ft at 11:00AM May 27, 2015Observed: 4.55 ft at 11:15AM May 27, 2015Observed: 4.55 ft at 11:30AM May 27, 2015Observed: 4.55 ft at 11:45AM May 27, 2015Observed: 4.55 ft at 12:00PM May 27, 2015Observed: 4.55 ft at 12:15PM May 27, 2015Observed: 4.55 ft at 12:30PM May 27, 2015Observed: 4.55 ft at 12:45PM May 27, 2015Observed: 4.55 ft at 1:00PM May 27, 2015Observed: 4.55 ft at 1:15PM May 27, 2015Observed: 4.55 ft at 1:30PM May 27, 2015Observed: 4.55 ft at 1:45PM May 27, 2015Observed: 4.55 ft at 2:00PM May 27, 2015Observed: 4.55 ft at 2:15PM May 27, 2015Observed: 4.55 ft at 2:30PM May 27, 2015Observed: 4.55 ft at 2:45PM May 27, 2015Observed: 4.55 ft at 3:00PM May 27, 2015Observed: 4.55 ft at 3:15PM May 27, 2015Observed: 4.55 ft at 3:30PM May 27, 2015Observed: 4.55 ft at 3:45PM May 27, 2015Observed: 4.54 ft at 4:00PM May 27, 2015Observed: 4.55 ft at 4:15PM May 27, 2015Observed: 4.55 ft at 4:30PM May 27, 2015Observed: 4.55 ft at 4:45PM May 27, 2015Observed: 4.55 ft at 5:00PM May 27, 2015Observed: 4.55 ft at 5:15PM May 27, 2015Observed: 4.55 ft at 5:30PM May 27, 2015Observed: 4.54 ft at 5:45PM May 27, 2015Observed: 4.54 ft at 6:00PM May 27, 2015Observed: 4.54 ft at 6:15PM May 27, 2015Observed: 4.55 ft at 6:30PM May 27, 2015Observed: 4.55 ft at 6:45PM May 27, 2015Observed: 4.55 ft at 7:00PM May 27, 2015Observed: 4.55 ft at 7:15PM May 27, 2015Observed: 4.55 ft at 7:30PM May 27, 2015Observed: 4.55 ft at 7:45PM May 27, 2015Observed: 4.55 ft at 8:00PM May 27, 2015Observed: 4.55 ft at 8:15PM May 27, 2015Observed: 4.55 ft at 8:30PM May 27, 2015Observed: 4.55 ft at 8:45PM May 27, 2015Observed: 4.55 ft at 9:00PM May 27, 2015Observed: 4.55 ft at 9:15PM May 27, 2015Observed: 4.55 ft at 9:30PM May 27, 2015Observed: 4.55 ft at 9:45PM May 27, 2015Observed: 4.55 ft at 10:00PM May 27, 2015Observed: 4.57 ft at 10:15PM May 27, 2015Observed: 4.57 ft at 10:30PM May 27, 2015Observed: 4.57 ft at 10:45PM May 27, 2015Observed: 4.57 ft at 11:00PM May 27, 2015Observed: 4.57 ft at 11:15PM May 27, 2015Observed: 4.57 ft at 11:30PM May 27, 2015Observed: 4.56 ft at 11:45PM May 27, 2015Observed: 4.56 ft at 12:00AM May 28, 2015Observed: 4.56 ft at 12:15AM May 28, 2015Observed: 4.56 ft at 12:30AM May 28, 2015Observed: 4.56 ft at 12:45AM May 28, 2015Observed: 4.56 ft at 1:00AM May 28, 2015Observed: 4.56 ft at 1:15AM May 28, 2015Observed: 4.56 ft at 1:30AM May 28, 2015Observed: 4.56 ft at 1:45AM May 28, 2015Observed: 4.56 ft at 2:00AM May 28, 2015Observed: 4.56 ft at 2:15AM May 28, 2015Observed: 4.56 ft at 2:30AM May 28, 2015Observed: 4.56 ft at 2:45AM May 28, 2015Observed: 4.56 ft at 3:00AM May 28, 2015Observed: 4.56 ft at 3:15AM May 28, 2015Observed: 4.56 ft at 3:30AM May 28, 2015Observed: 4.56 ft at 3:45AM May 28, 2015Observed: 4.56 ft at 4:00AM May 28, 2015Observed: 4.56 ft at 4:15AM May 28, 2015Observed: 4.56 ft at 4:30AM May 28, 2015Observed: 4.56 ft at 4:45AM May 28, 2015Observed: 4.56 ft at 5:00AM May 28, 2015Observed: 4.56 ft at 5:15AM May 28, 2015Observed: 4.56 ft at 5:30AM May 28, 2015Observed: 4.55 ft at 5:45AM May 28, 2015Observed: 4.55 ft at 6:00AM May 28, 2015Observed: 4.55 ft at 6:15AM May 28, 2015Observed: 4.55 ft at 6:30AM May 28, 2015Observed: 4.54 ft at 6:45AM May 28, 2015Observed: 4.54 ft at 7:00AM May 28, 2015Observed: 4.54 ft at 7:15AM May 28, 2015Observed: 4.54 ft at 7:30AM May 28, 2015Observed: 4.54 ft at 7:45AM May 28, 2015Observed: 4.54 ft at 8:00AM May 28, 2015Observed: 4.54 ft at 8:15AM May 28, 2015Observed: 4.54 ft at 8:30AM May 28, 2015Observed: 4.54 ft at 8:45AM May 28, 2015Observed: 4.54 ft at 9:00AM May 28, 2015Observed: 4.54 ft at 9:15AM May 28, 2015Observed: 4.54 ft at 9:30AM May 28, 2015Observed: 4.54 ft at 9:45AM May 28, 2015Observed: 4.54 ft at 10:00AM May 28, 2015Observed: 4.54 ft at 10:15AM May 28, 2015Observed: 4.54 ft at 10:30AM May 28, 2015Observed: 4.54 ft at 10:45AM May 28, 2015Observed: 4.54 ft at 11:00AM May 28, 2015Observed: 4.54 ft at 11:15AM May 28, 2015Observed: 4.54 ft at 11:30AM May 28, 2015Observed: 4.54 ft at 11:45AM May 28, 2015Observed: 4.54 ft at 12:00PM May 28, 2015Observed: 4.54 ft at 12:15PM May 28, 2015Observed: 4.54 ft at 12:30PM May 28, 2015Observed: 4.55 ft at 12:45PM May 28, 2015Observed: 4.55 ft at 1:00PM May 28, 2015Observed: 4.55 ft at 1:15PM May 28, 2015Observed: 4.55 ft at 1:30PM May 28, 2015Observed: 4.55 ft at 1:45PM May 28, 2015Observed: 4.55 ft at 2:00PM May 28, 2015Observed: 4.55 ft at 2:15PM May 28, 2015Observed: 4.55 ft at 2:30PM May 28, 2015Observed: 4.55 ft at 2:45PM May 28, 2015Highest Forecast: 4.5 ft 8:00PM May 28, 2015Highest Forecast: 4.5 ft 2:00AM May 29, 2015Highest Forecast: 4.5 ft 8:00AM May 29, 2015Highest Forecast: 4.5 ft 2:00PM May 29, 2015Highest Forecast: 4.5 ft 8:00PM May 29, 2015Highest Forecast: 4.5 ft 2:00AM May 30, 2015Highest Forecast: 4.5 ft 8:00AM May 30, 2015Highest Forecast: 4.5 ft 2:00PM May 30, 2015Highest Forecast: 4.5 ft 8:00PM May 30, 2015Highest Forecast: 4.5 ft 2:00AM May 31, 2015Highest Forecast: 4.5 ft 8:00AM May 31, 2015WLLN6(plotting HGIRG) Graph Created (4:01PM May 28, 2015)ObservedForecast (issued 11:37AM May 28)Latest observed value: 4.55 ft at 2:45 PM EDT 28-May-2015. Flood Stage is 11 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Genesee River at Wellsville are issued routinely year-round.
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Downstream Gauge Downstream Gauge - at Portageville
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 14
Flood Stage: 11
Action Stage: 9
Low Stage (in feet): 0

Historic Crests
(1) 20.70 ft on 06/23/1972
(2) 16.20 ft on 11/25/1950
(3) 16.13 ft on 01/19/1996
(4) 14.90 ft on 01/22/1959
(5) 14.80 ft on 03/05/1964
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.55 ft on 01/25/2010
(2) 11.64 ft on 03/15/2007
(3) 16.13 ft on 01/19/1996
(4) 13.26 ft on 06/20/1989
(5) 11.28 ft on 09/13/1987
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.00 ft on 09/15/1973
(2) 4.20 ft on 08/03/1999
(3) 4.24 ft on 09/29/1980
(4) 4.40 ft on 08/15/1996
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
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 Collapse
If you notice any errors in the below information, please contact our Webmaster
20 Extreme flood, levee is topped at 19.9 feet. Widespread flooding throughout the County near the river. Heavy residential damages including Wellsville. Evacuations necessary.
17 Major flood, major flooding all along the Genesee River throughout the County. Commercial and residential damages. Road closures. Levee continues to protect most of Wellsville to 19.9 feet.
14 Moderate flood, general flooding along the river in lowlying areas throughout the County. Some residential and commercial damages. The levee protects most of Wellsville.
11 Flood stage, banks overflow and begin to flood lowlying areas outside the leveees in places such as Scio and Whitesville. Minor damages.
9 Action stage, high flows. No flooding.
About This Location Collapse

Latitude: 42.122222° N, Longitude: 77.957500° 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 1470 ft 1481 ft  

Current/Historical Observations:

Additional Information Collapse
Observations Courtesy of the U.S. Geological Survey.
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
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Page last modified: 12-Feb-2015 9:34 PM
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