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Hydrograph River at a Glance Download
West Branch Mahoning River at Kirwan Reservoir Pool (ft)Highest Observation: 986.77 ft at 3:30AM Jul 19, 2019Observed: 986.75 ft at 4:00AM Jul 19, 2019Observed: 986.75 ft at 4:30AM Jul 19, 2019Observed: 986.75 ft at 5:00AM Jul 19, 2019Observed: 986.74 ft at 5:30AM Jul 19, 2019Observed: 986.76 ft at 6:00AM Jul 19, 2019Observed: 986.73 ft at 6:30AM Jul 19, 2019Observed: 986.75 ft at 7:00AM Jul 19, 2019Observed: 986.72 ft at 7:30AM Jul 19, 2019Observed: 986.73 ft at 8:00AM Jul 19, 2019Observed: 986.74 ft at 8:30AM Jul 19, 2019Observed: 986.73 ft at 9:00AM Jul 19, 2019Observed: 986.73 ft at 9:30AM Jul 19, 2019Observed: 986.72 ft at 10:00AM Jul 19, 2019Observed: 986.71 ft at 10:30AM Jul 19, 2019Observed: 986.71 ft at 11:00AM Jul 19, 2019Observed: 986.71 ft at 11:30AM Jul 19, 2019Observed: 986.69 ft at 12:00PM Jul 19, 2019Observed: 986.7 ft at 12:30PM Jul 19, 2019Observed: 986.71 ft at 1:00PM Jul 19, 2019Observed: 986.69 ft at 1:30PM Jul 19, 2019Observed: 986.69 ft at 2:00PM Jul 19, 2019Observed: 986.68 ft at 2:30PM Jul 19, 2019Observed: 986.68 ft at 3:00PM Jul 19, 2019Observed: 986.68 ft at 3:30PM Jul 19, 2019Observed: 986.68 ft at 4:00PM Jul 19, 2019Observed: 986.67 ft at 4:30PM Jul 19, 2019Observed: 986.66 ft at 5:00PM Jul 19, 2019Observed: 986.67 ft at 5:30PM Jul 19, 2019Observed: 986.66 ft at 6:00PM Jul 19, 2019Observed: 986.66 ft at 6:30PM Jul 19, 2019Observed: 986.65 ft at 7:00PM Jul 19, 2019Observed: 986.65 ft at 7:30PM Jul 19, 2019Observed: 986.65 ft at 8:00PM Jul 19, 2019Observed: 986.64 ft at 8:30PM Jul 19, 2019Observed: 986.65 ft at 9:00PM Jul 19, 2019Observed: 986.63 ft at 9:30PM Jul 19, 2019Observed: 986.63 ft at 10:00PM Jul 19, 2019Observed: 986.63 ft at 10:30PM Jul 19, 2019Observed: 986.62 ft at 11:00PM Jul 19, 2019Observed: 986.62 ft at 11:30PM Jul 19, 2019Observed: 986.62 ft at 12:00AM Jul 20, 2019Observed: 986.61 ft at 12:30AM Jul 20, 2019Observed: 986.62 ft at 1:00AM Jul 20, 2019Observed: 986.62 ft at 1:30AM Jul 20, 2019Observed: 986.61 ft at 2:00AM Jul 20, 2019Observed: 986.59 ft at 2:30AM Jul 20, 2019Observed: 986.61 ft at 3:00AM Jul 20, 2019Observed: 986.61 ft at 3:30AM Jul 20, 2019Observed: 986.59 ft at 4:00AM Jul 20, 2019Observed: 986.59 ft at 4:30AM Jul 20, 2019Observed: 986.58 ft at 5:00AM Jul 20, 2019Observed: 986.58 ft at 5:30AM Jul 20, 2019Observed: 986.57 ft at 6:00AM Jul 20, 2019Observed: 986.56 ft at 6:30AM Jul 20, 2019Observed: 986.58 ft at 7:00AM Jul 20, 2019Observed: 986.63 ft at 7:30AM Jul 20, 2019Observed: 986.6 ft at 8:00AM Jul 20, 2019Observed: 986.65 ft at 8:30AM Jul 20, 2019Observed: 986.63 ft at 9:00AM Jul 20, 2019Observed: 986.63 ft at 9:30AM Jul 20, 2019Observed: 986.63 ft at 10:00AM Jul 20, 2019Observed: 986.64 ft at 10:30AM Jul 20, 2019Observed: 986.63 ft at 11:00AM Jul 20, 2019Observed: 986.61 ft at 11:30AM Jul 20, 2019Observed: 986.63 ft at 12:00PM Jul 20, 2019Observed: 986.63 ft at 12:30PM Jul 20, 2019Observed: 986.61 ft at 1:00PM Jul 20, 2019Observed: 986.63 ft at 1:30PM Jul 20, 2019Observed: 986.61 ft at 2:00PM Jul 20, 2019Observed: 986.62 ft at 2:30PM Jul 20, 2019Observed: 986.63 ft at 3:00PM Jul 20, 2019Observed: 986.63 ft at 3:30PM Jul 20, 2019Observed: 986.62 ft at 4:00PM Jul 20, 2019Observed: 986.62 ft at 4:30PM Jul 20, 2019Observed: 986.61 ft at 5:00PM Jul 20, 2019Observed: 986.61 ft at 5:30PM Jul 20, 2019Observed: 986.62 ft at 6:00PM Jul 20, 2019Observed: 986.59 ft at 6:30PM Jul 20, 2019Observed: 986.6 ft at 7:00PM Jul 20, 2019Observed: 986.6 ft at 7:30PM Jul 20, 2019Observed: 986.6 ft at 8:00PM Jul 20, 2019Observed: 986.61 ft at 8:30PM Jul 20, 2019Observed: 986.59 ft at 9:00PM Jul 20, 2019Observed: 986.58 ft at 9:30PM Jul 20, 2019Observed: 986.6 ft at 10:00PM Jul 20, 2019Observed: 986.6 ft at 10:30PM Jul 20, 2019Observed: 986.57 ft at 11:00PM Jul 20, 2019Observed: 986.59 ft at 11:30PM Jul 20, 2019Observed: 986.59 ft at 12:00AM Jul 21, 2019Observed: 986.57 ft at 12:30AM Jul 21, 2019Observed: 986.56 ft at 1:00AM Jul 21, 2019Observed: 986.56 ft at 1:30AM Jul 21, 2019Observed: 986.57 ft at 2:00AM Jul 21, 2019Observed: 986.56 ft at 2:30AM Jul 21, 2019Observed: 986.54 ft at 3:00AM Jul 21, 2019Observed: 986.55 ft at 3:30AM Jul 21, 2019Observed: 986.55 ft at 4:00AM Jul 21, 2019Observed: 986.55 ft at 4:30AM Jul 21, 2019Observed: 986.54 ft at 5:00AM Jul 21, 2019Observed: 986.55 ft at 5:30AM Jul 21, 2019Observed: 986.56 ft at 6:00AM Jul 21, 2019Observed: 986.56 ft at 6:30AM Jul 21, 2019Observed: 986.55 ft at 7:00AM Jul 21, 2019Observed: 986.55 ft at 7:30AM Jul 21, 2019Observed: 986.54 ft at 8:00AM Jul 21, 2019Observed: 986.55 ft at 8:30AM Jul 21, 2019Observed: 986.54 ft at 9:00AM Jul 21, 2019Observed: 986.5 ft at 9:30AM Jul 21, 2019Observed: 986.5 ft at 10:00AM Jul 21, 2019Observed: 986.5 ft at 10:30AM Jul 21, 2019Observed: 986.52 ft at 11:00AM Jul 21, 2019Observed: 986.51 ft at 11:30AM Jul 21, 2019Observed: 986.5 ft at 12:00PM Jul 21, 2019Observed: 986.49 ft at 12:30PM Jul 21, 2019Observed: 986.49 ft at 1:00PM Jul 21, 2019Observed: 986.49 ft at 1:30PM Jul 21, 2019Observed: 986.5 ft at 2:00PM Jul 21, 2019Observed: 986.48 ft at 2:30PM Jul 21, 2019Observed: 986.49 ft at 3:00PM Jul 21, 2019Observed: 986.46 ft at 3:30PM Jul 21, 2019Observed: 986.45 ft at 4:00PM Jul 21, 2019Observed: 986.44 ft at 4:30PM Jul 21, 2019Observed: 986.46 ft at 5:00PM Jul 21, 2019Observed: 986.45 ft at 5:30PM Jul 21, 2019Observed: 986.42 ft at 6:00PM Jul 21, 2019Observed: 986.45 ft at 6:30PM Jul 21, 2019Observed: 986.46 ft at 7:00PM Jul 21, 2019Observed: 986.46 ft at 7:30PM Jul 21, 2019Observed: 986.47 ft at 8:00PM Jul 21, 2019Observed: 986.45 ft at 8:30PM Jul 21, 2019Observed: 986.45 ft at 9:00PM Jul 21, 2019Observed: 986.44 ft at 9:30PM Jul 21, 2019Observed: 986.44 ft at 10:00PM Jul 21, 2019Observed: 986.42 ft at 10:30PM Jul 21, 2019Observed: 986.44 ft at 11:00PM Jul 21, 2019Observed: 986.44 ft at 11:30PM Jul 21, 2019Observed: 986.44 ft at 12:00AM Jul 22, 2019Observed: 986.42 ft at 12:30AM Jul 22, 2019Observed: 986.43 ft at 1:00AM Jul 22, 2019Highest Forecast: 986.4 ft 4:00AM Jul 22, 2019Highest Forecast: 986.4 ft 5:00AM Jul 22, 2019Highest Forecast: 986.4 ft 6:00AM Jul 22, 2019Highest Forecast: 986.4 ft 7:00AM Jul 22, 2019Highest Forecast: 986.4 ft 8:00AM Jul 22, 2019Highest Forecast: 986.4 ft 9:00AM Jul 22, 2019Highest Forecast: 986.4 ft 10:00AM Jul 22, 2019Highest Forecast: 986.4 ft 11:00AM Jul 22, 2019Highest Forecast: 986.4 ft 12:00PM Jul 22, 2019Highest Forecast: 986.4 ft 1:00PM Jul 22, 2019Forecast: 986.3 ft 2:00PM Jul 22, 2019Forecast: 986.3 ft 3:00PM Jul 22, 2019Forecast: 986.3 ft 4:00PM Jul 22, 2019Forecast: 986.3 ft 5:00PM Jul 22, 2019Forecast: 986.3 ft 6:00PM Jul 22, 2019Forecast: 986.3 ft 7:00PM Jul 22, 2019Forecast: 986.3 ft 8:00PM Jul 22, 2019Forecast: 986.3 ft 9:00PM Jul 22, 2019Forecast: 986.3 ft 10:00PM Jul 22, 2019Forecast: 986.3 ft 11:00PM Jul 22, 2019Forecast: 986.3 ft 12:00AM Jul 23, 2019Forecast: 986.3 ft 1:00AM Jul 23, 2019Forecast: 986.3 ft 2:00AM Jul 23, 2019Forecast: 986.2 ft 3:00AM Jul 23, 2019Forecast: 986.2 ft 4:00AM Jul 23, 2019Forecast: 986.2 ft 5:00AM Jul 23, 2019Forecast: 986.2 ft 6:00AM Jul 23, 2019Forecast: 986.2 ft 7:00AM Jul 23, 2019Forecast: 986.2 ft 8:00AM Jul 23, 2019Forecast: 986.2 ft 9:00AM Jul 23, 2019Forecast: 986.2 ft 10:00AM Jul 23, 2019Forecast: 986.2 ft 11:00AM Jul 23, 2019Forecast: 986.2 ft 12:00PM Jul 23, 2019Forecast: 986.2 ft 1:00PM Jul 23, 2019Forecast: 986.2 ft 2:00PM Jul 23, 2019Forecast: 986.2 ft 3:00PM Jul 23, 2019Forecast: 986.1 ft 4:00PM Jul 23, 2019Forecast: 986.1 ft 5:00PM Jul 23, 2019Forecast: 986.1 ft 6:00PM Jul 23, 2019Forecast: 986.1 ft 7:00PM Jul 23, 2019Forecast: 986.1 ft 8:00PM Jul 23, 2019Forecast: 986.1 ft 9:00PM Jul 23, 2019Forecast: 986.1 ft 10:00PM Jul 23, 2019Forecast: 986.1 ft 11:00PM Jul 23, 2019Forecast: 986.1 ft 12:00AM Jul 24, 2019Forecast: 986.1 ft 1:00AM Jul 24, 2019Forecast: 986.1 ft 2:00AM Jul 24, 2019Forecast: 986.1 ft 3:00AM Jul 24, 2019Forecast: 986.1 ft 4:00AM Jul 24, 2019Forecast: 986.1 ft 5:00AM Jul 24, 2019Forecast: 986.1 ft 6:00AM Jul 24, 2019Forecast: 986 ft 7:00AM Jul 24, 2019Forecast: 986 ft 8:00AM Jul 24, 2019Forecast: 986 ft 9:00AM Jul 24, 2019Forecast: 986 ft 10:00AM Jul 24, 2019Forecast: 986 ft 11:00AM Jul 24, 2019Forecast: 986 ft 12:00PM Jul 24, 2019Forecast: 986 ft 1:00PM Jul 24, 2019Forecast: 986 ft 2:00PM Jul 24, 2019Forecast: 986 ft 3:00PM Jul 24, 2019Forecast: 986 ft 4:00PM Jul 24, 2019Forecast: 986 ft 5:00PM Jul 24, 2019Forecast: 986 ft 6:00PM Jul 24, 2019Forecast: 986 ft 7:00PM Jul 24, 2019Forecast: 986 ft 8:00PM Jul 24, 2019Forecast: 986 ft 9:00PM Jul 24, 2019Forecast: 986 ft 10:00PM Jul 24, 2019Forecast: 986 ft 11:00PM Jul 24, 2019Forecast: 986 ft 12:00AM Jul 25, 2019Forecast: 986 ft 1:00AM Jul 25, 2019Forecast: 985.9 ft 2:00AM Jul 25, 2019Forecast: 985.9 ft 3:00AM Jul 25, 2019KIRO1(plotting HPIRG) Graph Created (3:16AM Jul 22, 2019)ObservedForecast (issued 2:37PM Jul 21)Latest observed value: 986.43 ft at 1:00 AM EDT 22-Jul-2019. Flood Stage is 992.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the West Branch Mahoning River at Kirwan Reservoir are issued routinely year-round.
Return to Area Map
Upstream Gauge - above Ravenna Upstream Gauge Downstream Gauge Downstream Gauge - below M J Kirwan Dam
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 992.5
Action Stage: 0
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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.
About This Location Collapse

Latitude: 41.156723° N, Longitude: 81.079540° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 992.5 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 Not Available Not Available 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:
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
Cleveland Weather Forecast Office
Federal Facilities Building Hopkins Airport
Cleveland, OH 44135
(216) 265-2370
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