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Hydrograph River at a Glance Download
Allegheny River at Salamanca Stage (ft)Flow (kcfs)Highest Observation: 3.71 ft at 4:15AM Nov 26, 2023Highest Observation: 3.71 ft at 4:30AM Nov 26, 2023Highest Observation: 3.71 ft at 4:45AM Nov 26, 2023Highest Observation: 3.71 ft at 5:00AM Nov 26, 2023Observed: 3.7 ft at 5:15AM Nov 26, 2023Observed: 3.7 ft at 5:30AM Nov 26, 2023Observed: 3.7 ft at 5:45AM Nov 26, 2023Observed: 3.7 ft at 6:00AM Nov 26, 2023Observed: 3.7 ft at 6:15AM Nov 26, 2023Observed: 3.7 ft at 6:30AM Nov 26, 2023Observed: 3.7 ft at 6:45AM Nov 26, 2023Observed: 3.7 ft at 7:00AM Nov 26, 2023Observed: 3.69 ft at 7:15AM Nov 26, 2023Observed: 3.69 ft at 7:30AM Nov 26, 2023Observed: 3.69 ft at 7:45AM Nov 26, 2023Observed: 3.69 ft at 8:00AM Nov 26, 2023Observed: 3.69 ft at 8:15AM Nov 26, 2023Observed: 3.69 ft at 8:30AM Nov 26, 2023Observed: 3.69 ft at 8:45AM Nov 26, 2023Observed: 3.69 ft at 9:00AM Nov 26, 2023Observed: 3.69 ft at 9:15AM Nov 26, 2023Observed: 3.69 ft at 9:30AM Nov 26, 2023Observed: 3.68 ft at 9:45AM Nov 26, 2023Observed: 3.68 ft at 10:00AM Nov 26, 2023Observed: 3.68 ft at 10:15AM Nov 26, 2023Observed: 3.68 ft at 10:30AM Nov 26, 2023Observed: 3.68 ft at 10:45AM Nov 26, 2023Observed: 3.67 ft at 11:00AM Nov 26, 2023Observed: 3.67 ft at 11:15AM Nov 26, 2023Observed: 3.67 ft at 11:30AM Nov 26, 2023Observed: 3.68 ft at 11:45AM Nov 26, 2023Observed: 3.67 ft at 12:00PM Nov 26, 2023Observed: 3.67 ft at 12:15PM Nov 26, 2023Observed: 3.67 ft at 12:30PM Nov 26, 2023Observed: 3.67 ft at 12:45PM Nov 26, 2023Observed: 3.66 ft at 1:00PM Nov 26, 2023Observed: 3.66 ft at 1:15PM Nov 26, 2023Observed: 3.66 ft at 1:30PM Nov 26, 2023Observed: 3.66 ft at 1:45PM Nov 26, 2023Observed: 3.66 ft at 2:00PM Nov 26, 2023Observed: 3.66 ft at 2:15PM Nov 26, 2023Observed: 3.66 ft at 2:30PM Nov 26, 2023Observed: 3.66 ft at 2:45PM Nov 26, 2023Observed: 3.66 ft at 3:00PM Nov 26, 2023Observed: 3.66 ft at 3:15PM Nov 26, 2023Observed: 3.66 ft at 3:30PM Nov 26, 2023Observed: 3.65 ft at 3:45PM Nov 26, 2023Observed: 3.65 ft at 4:00PM Nov 26, 2023Observed: 3.65 ft at 4:15PM Nov 26, 2023Observed: 3.65 ft at 4:30PM Nov 26, 2023Observed: 3.65 ft at 4:45PM Nov 26, 2023Observed: 3.65 ft at 5:00PM Nov 26, 2023Observed: 3.65 ft at 5:15PM Nov 26, 2023Observed: 3.65 ft at 5:30PM Nov 26, 2023Observed: 3.65 ft at 5:45PM Nov 26, 2023Observed: 3.65 ft at 6:00PM Nov 26, 2023Observed: 3.65 ft at 6:15PM Nov 26, 2023Observed: 3.65 ft at 6:30PM Nov 26, 2023Observed: 3.65 ft at 6:45PM Nov 26, 2023Observed: 3.64 ft at 7:00PM Nov 26, 2023Observed: 3.64 ft at 7:15PM Nov 26, 2023Observed: 3.64 ft at 7:30PM Nov 26, 2023Observed: 3.64 ft at 7:45PM Nov 26, 2023Observed: 3.64 ft at 8:00PM Nov 26, 2023Observed: 3.64 ft at 8:15PM Nov 26, 2023Observed: 3.64 ft at 8:30PM Nov 26, 2023Observed: 3.64 ft at 8:45PM Nov 26, 2023Observed: 3.64 ft at 9:00PM Nov 26, 2023Observed: 3.64 ft at 9:15PM Nov 26, 2023Observed: 3.64 ft at 9:30PM Nov 26, 2023Observed: 3.64 ft at 9:45PM Nov 26, 2023Observed: 3.64 ft at 10:00PM Nov 26, 2023Observed: 3.63 ft at 10:15PM Nov 26, 2023Observed: 3.63 ft at 10:30PM Nov 26, 2023Observed: 3.63 ft at 10:45PM Nov 26, 2023Observed: 3.63 ft at 11:00PM Nov 26, 2023Observed: 3.63 ft at 11:15PM Nov 26, 2023Observed: 3.63 ft at 11:30PM Nov 26, 2023Observed: 3.63 ft at 11:45PM Nov 26, 2023Observed: 3.63 ft at 12:00AM Nov 27, 2023Observed: 3.63 ft at 12:15AM Nov 27, 2023Observed: 3.62 ft at 12:30AM Nov 27, 2023Observed: 3.62 ft at 12:45AM Nov 27, 2023Observed: 3.62 ft at 1:00AM Nov 27, 2023Observed: 3.62 ft at 1:15AM Nov 27, 2023Observed: 3.62 ft at 1:30AM Nov 27, 2023Observed: 3.62 ft at 1:45AM Nov 27, 2023Observed: 3.62 ft at 2:00AM Nov 27, 2023Observed: 3.62 ft at 2:15AM Nov 27, 2023Observed: 3.62 ft at 2:30AM Nov 27, 2023Observed: 3.62 ft at 2:45AM Nov 27, 2023Observed: 3.62 ft at 3:00AM Nov 27, 2023Observed: 3.62 ft at 3:15AM Nov 27, 2023Observed: 3.62 ft at 3:30AM Nov 27, 2023Observed: 3.61 ft at 3:45AM Nov 27, 2023Observed: 3.61 ft at 4:00AM Nov 27, 2023Observed: 3.62 ft at 4:15AM Nov 27, 2023Observed: 3.61 ft at 4:30AM Nov 27, 2023Observed: 3.61 ft at 4:45AM Nov 27, 2023Observed: 3.61 ft at 5:00AM Nov 27, 2023Observed: 3.61 ft at 5:15AM Nov 27, 2023Observed: 3.61 ft at 5:30AM Nov 27, 2023Observed: 3.61 ft at 5:45AM Nov 27, 2023Observed: 3.61 ft at 6:00AM Nov 27, 2023Observed: 3.61 ft at 6:15AM Nov 27, 2023Observed: 3.61 ft at 6:30AM Nov 27, 2023Observed: 3.61 ft at 6:45AM Nov 27, 2023Observed: 3.61 ft at 7:00AM Nov 27, 2023Observed: 3.6 ft at 7:15AM Nov 27, 2023Observed: 3.61 ft at 7:30AM Nov 27, 2023Observed: 3.61 ft at 7:45AM Nov 27, 2023Observed: 3.61 ft at 8:00AM Nov 27, 2023Observed: 3.61 ft at 8:15AM Nov 27, 2023Observed: 3.61 ft at 8:30AM Nov 27, 2023Observed: 3.6 ft at 8:45AM Nov 27, 2023Observed: 3.6 ft at 9:00AM Nov 27, 2023Observed: 3.6 ft at 9:15AM Nov 27, 2023Observed: 3.6 ft at 9:30AM Nov 27, 2023Observed: 3.6 ft at 9:45AM Nov 27, 2023Observed: 3.6 ft at 10:00AM Nov 27, 2023Observed: 3.6 ft at 10:15AM Nov 27, 2023Observed: 3.6 ft at 10:30AM Nov 27, 2023Observed: 3.6 ft at 10:45AM Nov 27, 2023Observed: 3.59 ft at 11:00AM Nov 27, 2023Observed: 3.59 ft at 11:15AM Nov 27, 2023Observed: 3.59 ft at 11:30AM Nov 27, 2023Observed: 3.59 ft at 11:45AM Nov 27, 2023Observed: 3.6 ft at 12:00PM Nov 27, 2023Observed: 3.59 ft at 12:15PM Nov 27, 2023Observed: 3.6 ft at 12:30PM Nov 27, 2023Observed: 3.59 ft at 12:45PM Nov 27, 2023Observed: 3.59 ft at 1:00PM Nov 27, 2023Observed: 3.59 ft at 1:15PM Nov 27, 2023Observed: 3.59 ft at 1:30PM Nov 27, 2023Observed: 3.59 ft at 1:45PM Nov 27, 2023Observed: 3.59 ft at 2:00PM Nov 27, 2023Observed: 3.59 ft at 2:15PM Nov 27, 2023Observed: 3.59 ft at 2:30PM Nov 27, 2023Observed: 3.59 ft at 2:45PM Nov 27, 2023Observed: 3.59 ft at 3:00PM Nov 27, 2023Observed: 3.59 ft at 3:15PM Nov 27, 2023Observed: 3.59 ft at 3:30PM Nov 27, 2023Observed: 3.59 ft at 3:45PM Nov 27, 2023Observed: 3.59 ft at 4:00PM Nov 27, 2023Observed: 3.59 ft at 4:15PM Nov 27, 2023Observed: 3.58 ft at 4:30PM Nov 27, 2023Observed: 3.59 ft at 4:45PM Nov 27, 2023Observed: 3.59 ft at 5:00PM Nov 27, 2023Observed: 3.59 ft at 5:15PM Nov 27, 2023Observed: 3.58 ft at 5:30PM Nov 27, 2023Observed: 3.58 ft at 5:45PM Nov 27, 2023Observed: 3.58 ft at 6:00PM Nov 27, 2023Observed: 3.58 ft at 6:15PM Nov 27, 2023Observed: 3.58 ft at 6:30PM Nov 27, 2023Observed: 3.58 ft at 6:45PM Nov 27, 2023Observed: 3.58 ft at 7:00PM Nov 27, 2023Observed: 3.58 ft at 7:15PM Nov 27, 2023Observed: 3.58 ft at 7:30PM Nov 27, 2023Observed: 3.58 ft at 7:45PM Nov 27, 2023Observed: 3.58 ft at 8:00PM Nov 27, 2023Observed: 3.58 ft at 8:15PM Nov 27, 2023Observed: 3.58 ft at 8:30PM Nov 27, 2023Observed: 3.58 ft at 8:45PM Nov 27, 2023Observed: 3.57 ft at 9:00PM Nov 27, 2023Observed: 3.58 ft at 9:15PM Nov 27, 2023Observed: 3.58 ft at 9:30PM Nov 27, 2023Observed: 3.57 ft at 9:45PM Nov 27, 2023Observed: 3.57 ft at 10:00PM Nov 27, 2023Observed: 3.57 ft at 10:15PM Nov 27, 2023Observed: 3.57 ft at 10:30PM Nov 27, 2023Observed: 3.57 ft at 10:45PM Nov 27, 2023Observed: 3.57 ft at 11:00PM Nov 27, 2023Observed: 3.57 ft at 11:15PM Nov 27, 2023Observed: 3.57 ft at 11:30PM Nov 27, 2023Observed: 3.57 ft at 11:45PM Nov 27, 2023Observed: 3.57 ft at 12:00AM Nov 28, 2023Observed: 3.57 ft at 12:15AM Nov 28, 2023Observed: 3.57 ft at 12:30AM Nov 28, 2023Observed: 3.57 ft at 12:45AM Nov 28, 2023Observed: 3.56 ft at 1:00AM Nov 28, 2023Observed: 3.56 ft at 1:15AM Nov 28, 2023Observed: 3.56 ft at 1:30AM Nov 28, 2023Observed: 3.56 ft at 1:45AM Nov 28, 2023Observed: 3.56 ft at 2:00AM Nov 28, 2023Observed: 3.56 ft at 2:15AM Nov 28, 2023Observed: 3.56 ft at 2:30AM Nov 28, 2023Observed: 3.56 ft at 2:45AM Nov 28, 2023Observed: 3.56 ft at 3:00AM Nov 28, 2023Observed: 3.56 ft at 3:15AM Nov 28, 2023Observed: 3.56 ft at 3:30AM Nov 28, 2023Observed: 3.56 ft at 3:45AM Nov 28, 2023Observed: 3.56 ft at 4:00AM Nov 28, 2023Observed: 3.56 ft at 4:15AM Nov 28, 2023Observed: 3.56 ft at 4:30AM Nov 28, 2023Observed: 3.56 ft at 4:45AM Nov 28, 2023Observed: 3.56 ft at 5:00AM Nov 28, 2023Observed: 3.56 ft at 5:15AM Nov 28, 2023Observed: 3.56 ft at 5:30AM Nov 28, 2023Observed: 3.56 ft at 5:45AM Nov 28, 2023Observed: 3.56 ft at 6:00AM Nov 28, 2023Observed: 3.55 ft at 6:15AM Nov 28, 2023Observed: 3.55 ft at 6:30AM Nov 28, 2023Observed: 3.55 ft at 6:45AM Nov 28, 2023Observed: 3.55 ft at 7:00AM Nov 28, 2023Observed: 3.55 ft at 7:15AM Nov 28, 2023Observed: 3.55 ft at 7:30AM Nov 28, 2023Observed: 3.55 ft at 7:45AM Nov 28, 2023Observed: 3.55 ft at 8:00AM Nov 28, 2023Observed: 3.55 ft at 8:15AM Nov 28, 2023Observed: 3.55 ft at 8:30AM Nov 28, 2023Observed: 3.55 ft at 8:45AM Nov 28, 2023Observed: 3.55 ft at 9:00AM Nov 28, 2023Observed: 3.55 ft at 9:15AM Nov 28, 2023Observed: 3.55 ft at 9:30AM Nov 28, 2023Observed: 3.55 ft at 9:45AM Nov 28, 2023Observed: 3.55 ft at 10:00AM Nov 28, 2023Observed: 3.55 ft at 10:15AM Nov 28, 2023Observed: 3.55 ft at 10:30AM Nov 28, 2023Observed: 3.55 ft at 10:45AM Nov 28, 2023Observed: 3.55 ft at 11:00AM Nov 28, 2023Observed: 3.54 ft at 11:15AM Nov 28, 2023Observed: 3.55 ft at 11:30AM Nov 28, 2023Observed: 3.55 ft at 11:45AM Nov 28, 2023Observed: 3.55 ft at 12:00PM Nov 28, 2023Observed: 3.54 ft at 12:15PM Nov 28, 2023Observed: 3.55 ft at 12:30PM Nov 28, 2023Observed: 3.55 ft at 12:45PM Nov 28, 2023Observed: 3.54 ft at 1:00PM Nov 28, 2023Observed: 3.54 ft at 1:15PM Nov 28, 2023Observed: 3.54 ft at 1:30PM Nov 28, 2023Observed: 3.54 ft at 1:45PM Nov 28, 2023Observed: 3.54 ft at 2:00PM Nov 28, 2023Observed: 3.54 ft at 2:15PM Nov 28, 2023Observed: 3.54 ft at 2:30PM Nov 28, 2023Observed: 3.54 ft at 2:45PM Nov 28, 2023Observed: 3.54 ft at 3:00PM Nov 28, 2023Observed: 3.54 ft at 3:15PM Nov 28, 2023Observed: 3.54 ft at 3:30PM Nov 28, 2023Observed: 3.53 ft at 3:45PM Nov 28, 2023Observed: 3.53 ft at 4:00PM Nov 28, 2023Observed: 3.53 ft at 4:15PM Nov 28, 2023Observed: 3.53 ft at 4:30PM Nov 28, 2023Observed: 3.53 ft at 4:45PM Nov 28, 2023Observed: 3.53 ft at 5:00PM Nov 28, 2023Observed: 3.53 ft at 5:15PM Nov 28, 2023Observed: 3.53 ft at 5:30PM Nov 28, 2023Observed: 3.53 ft at 5:45PM Nov 28, 2023Observed: 3.52 ft at 6:00PM Nov 28, 2023Observed: 3.52 ft at 6:15PM Nov 28, 2023Observed: 3.52 ft at 6:30PM Nov 28, 2023Observed: 3.52 ft at 6:45PM Nov 28, 2023Observed: 3.52 ft at 7:00PM Nov 28, 2023Observed: 3.52 ft at 7:15PM Nov 28, 2023Observed: 3.52 ft at 7:30PM Nov 28, 2023Observed: 3.52 ft at 7:45PM Nov 28, 2023Observed: 3.52 ft at 8:00PM Nov 28, 2023Observed: 3.52 ft at 8:15PM Nov 28, 2023Observed: 3.52 ft at 8:30PM Nov 28, 2023Observed: 3.52 ft at 8:45PM Nov 28, 2023Observed: 3.52 ft at 9:00PM Nov 28, 2023Observed: 3.52 ft at 9:15PM Nov 28, 2023Observed: 3.52 ft at 9:30PM Nov 28, 2023Observed: 3.52 ft at 9:45PM Nov 28, 2023Observed: 3.52 ft at 10:00PM Nov 28, 2023Observed: 3.51 ft at 10:15PM Nov 28, 2023Observed: 3.51 ft at 10:30PM Nov 28, 2023Observed: 3.51 ft at 10:45PM Nov 28, 2023Observed: 3.51 ft at 11:00PM Nov 28, 2023Observed: 3.51 ft at 11:15PM Nov 28, 2023Observed: 3.51 ft at 11:30PM Nov 28, 2023Observed: 3.51 ft at 11:45PM Nov 28, 2023Observed: 3.51 ft at 12:00AM Nov 29, 2023Observed: 3.51 ft at 12:15AM Nov 29, 2023Observed: 3.51 ft at 12:30AM Nov 29, 2023Observed: 3.51 ft at 12:45AM Nov 29, 2023Observed: 3.5 ft at 1:00AM Nov 29, 2023Observed: 3.51 ft at 1:15AM Nov 29, 2023Observed: 3.5 ft at 1:30AM Nov 29, 2023Observed: 3.5 ft at 1:45AM Nov 29, 2023Observed: 3.5 ft at 2:00AM Nov 29, 2023Observed: 3.5 ft at 2:15AM Nov 29, 2023Observed: 3.5 ft at 2:30AM Nov 29, 2023Observed: 3.5 ft at 2:45AM Nov 29, 2023Highest Forecast: 3.5 ft 7:00AM Nov 29, 2023Highest Forecast: 3.5 ft 1:00PM Nov 29, 2023Highest Forecast: 3.5 ft 7:00PM Nov 29, 2023Highest Forecast: 3.5 ft 1:00AM Nov 30, 2023Forecast: 3.4 ft 7:00AM Nov 30, 2023Forecast: 3.4 ft 1:00PM Nov 30, 2023Forecast: 3.4 ft 7:00PM Nov 30, 2023Forecast: 3.4 ft 1:00AM Dec 01, 2023Forecast: 3.4 ft 7:00AM Dec 01, 2023Forecast: 3.4 ft 1:00PM Dec 01, 2023Highest Forecast: 3.5 ft 7:00PM Dec 01, 2023Highest Forecast: 3.5 ft 1:00AM Dec 02, 2023Highest Forecast: 3.5 ft 7:00AM Dec 02, 2023Highest Forecast: 3.5 ft 1:00PM Dec 02, 2023Highest Forecast: 3.5 ft 7:00PM Dec 02, 2023Highest Forecast: 3.5 ft 1:00AM Dec 03, 2023Highest Forecast: 3.5 ft 7:00AM Dec 03, 2023USGS--Water Resources of the United StatesSLMN6(plotting HGIRG) Graph Created (4:01AM Nov 29, 2023)ObservedForecast (issued 9:11AM Nov 28)Latest observed value: 3.5 ft at 2:45 AM EST 29-Nov-2023. Flood Stage is 12 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Allegheny River at Salamanca are issued routinely year-round.
Return to Area Map
Upstream Gauge - at Olean Upstream Gauge Downstream Gauge Downstream Gauge - at Warren
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 14
Flood Stage: 12
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 24.01 ft on 06/23/1972
(2) 16.41 ft on 01/19/1996
(3) 16.24 ft on 09/26/1967
(4) 15.44 ft on 06/23/1989
(5) 15.11 ft on 03/08/1956
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.78 ft on 02/18/2022
(2) 13.43 ft on 01/13/2018
(3) 13.83 ft on 01/13/2017
(4) 14.42 ft on 12/02/2010
(5) 12.29 ft on 01/25/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.68 ft on 08/03/1993
(2) 2.60 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
21 Major flood, widespread flooding of commercial and residential areas in and around Salamanca. Protective dikes topped at 21 to 22 feet. Dikes located on left bank 0.1 mile upstream to 0.3 mile downstream, and on right bank from 0.1 mile upstream to 0.7 mile downstream and 1.6 to 2.1 miles downstream.
14 Moderate flood, moderate flooding along entire reach in areas unprotected by dikes. More widespread flooding upstream.
12 Flood stage, minor flooding along entire reach in areas unprotected by dikes.
9 Action stage, banks subject to some local overflow 1 to 2 miles upstream. Little or no damage.
About This Location Collapse

Latitude: 42.156389° N, Longitude: 78.715556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 1357.49 1369.49 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1358.00 1370.00 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available US Army Corps of Engineers Benchmark

Current/Historical Observations:
Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

Observations courtesy of the U.S. Geological Survey.
Resources Collapse
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
National Weather Service
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Buffalo, NY 14225-1405
(716) 565-0204
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