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Hydrograph River at a Glance Download
Gwynns Falls Tributary at McDonogh Stage (ft)Observed: 2.45 ft at 9:20PM Mar 28, 2020Observed: 2.37 ft at 10:05PM Mar 28, 2020Observed: 2.29 ft at 10:45PM Mar 28, 2020Observed: 2.22 ft at 11:15PM Mar 28, 2020Observed: 2.14 ft at 12:05AM Mar 29, 2020Observed: 2.06 ft at 12:55AM Mar 29, 2020Observed: 1.98 ft at 2:00AM Mar 29, 2020Observed: 1.98 ft at 2:35AM Mar 29, 2020Observed: 1.9 ft at 3:30AM Mar 29, 2020Observed: 1.83 ft at 5:50AM Mar 29, 2020Observed: 1.75 ft at 8:05AM Mar 29, 2020Observed: 1.75 ft at 8:35AM Mar 29, 2020Observed: 1.67 ft at 11:30AM Mar 29, 2020Observed: 1.63 ft at 2:35PM Mar 29, 2020Observed: 1.71 ft at 3:20PM Mar 29, 2020Observed: 1.83 ft at 3:25PM Mar 29, 2020Observed: 1.75 ft at 3:45PM Mar 29, 2020Observed: 1.83 ft at 3:50PM Mar 29, 2020Observed: 1.9 ft at 4:00PM Mar 29, 2020Highest Observation: 2.64 ft at 4:10PM Mar 29, 2020Observed: 1.94 ft at 4:15PM Mar 29, 2020Observed: 1.87 ft at 4:45PM Mar 29, 2020Observed: 1.79 ft at 6:35PM Mar 29, 2020Observed: 1.71 ft at 7:00PM Mar 29, 2020Observed: 1.63 ft at 7:20PM Mar 29, 2020Observed: 1.56 ft at 7:45PM Mar 29, 2020Observed: 1.63 ft at 7:50PM Mar 29, 2020Observed: 1.56 ft at 7:55PM Mar 29, 2020Observed: 1.67 ft at 8:30PM Mar 29, 2020Observed: 1.56 ft at 8:35PM Mar 29, 2020Observed: 1.52 ft at 2:40AM Mar 30, 2020Observed: 1.44 ft at 4:20AM Mar 30, 2020Observed: 1.36 ft at 6:55AM Mar 30, 2020Observed: 1.32 ft at 8:35AM Mar 30, 2020Observed: 1.32 ft at 8:40AM Mar 30, 2020Observed: 1.4 ft at 10:10AM Mar 30, 2020Observed: 1.56 ft at 10:40AM Mar 30, 2020Observed: 1.48 ft at 10:45AM Mar 30, 2020Observed: 1.56 ft at 10:55AM Mar 30, 2020Observed: 1.44 ft at 11:15AM Mar 30, 2020Observed: 1.56 ft at 11:50AM Mar 30, 2020Observed: 1.48 ft at 11:55AM Mar 30, 2020Observed: 1.56 ft at 12:10PM Mar 30, 2020Observed: 1.67 ft at 12:15PM Mar 30, 2020Observed: 1.59 ft at 12:20PM Mar 30, 2020Observed: 2.33 ft at 12:25PM Mar 30, 2020Observed: 1.63 ft at 12:30PM Mar 30, 2020Observed: 1.56 ft at 12:45PM Mar 30, 2020Observed: 1.9 ft at 12:50PM Mar 30, 2020Observed: 1.59 ft at 12:55PM Mar 30, 2020Observed: 1.52 ft at 1:15PM Mar 30, 2020Observed: 1.59 ft at 1:50PM Mar 30, 2020Observed: 1.75 ft at 1:55PM Mar 30, 2020Observed: 1.56 ft at 2:10PM Mar 30, 2020Observed: 1.79 ft at 2:15PM Mar 30, 2020Observed: 2.29 ft at 2:20PM Mar 30, 2020Observed: 1.52 ft at 2:25PM Mar 30, 2020Observed: 1.59 ft at 2:30PM Mar 30, 2020Observed: 1.83 ft at 2:40PM Mar 30, 2020Observed: 1.67 ft at 2:45PM Mar 30, 2020Observed: 1.59 ft at 3:00PM Mar 30, 2020Observed: 1.59 ft at 4:00PM Mar 30, 2020Observed: 1.52 ft at 4:45PM Mar 30, 2020Observed: 1.44 ft at 5:10PM Mar 30, 2020Observed: 1.36 ft at 6:30PM Mar 30, 2020Observed: 1.28 ft at 7:30PM Mar 30, 2020Observed: 1.32 ft at 8:40PM Mar 30, 2020Observed: 1.24 ft at 9:00PM Mar 30, 2020Observed: 1.17 ft at 11:10PM Mar 30, 2020Observed: 1.09 ft at 2:30AM Mar 31, 2020Observed: 1.13 ft at 2:40AM Mar 31, 2020Observed: 1.05 ft at 4:05AM Mar 31, 2020Observed: 1.13 ft at 4:40AM Mar 31, 2020Observed: 1.05 ft at 5:05AM Mar 31, 2020Observed: 1.05 ft at 8:40AM Mar 31, 2020Observed: 1.13 ft at 10:30AM Mar 31, 2020Observed: 1.13 ft at 2:40PM Mar 31, 2020Observed: 1.05 ft at 3:55PM Mar 31, 2020Observed: 1.09 ft at 11:55PM Mar 31, 2020Observed: 1.01 ft at 12:25AM Apr 01, 2020Observed: 1.05 ft at 2:40AM Apr 01, 2020Observed: 1.13 ft at 5:25AM Apr 01, 2020Observed: 1.21 ft at 7:40AM Apr 01, 2020Observed: 1.17 ft at 8:40AM Apr 01, 2020Observed: 1.24 ft at 10:40AM Apr 01, 2020Observed: 1.32 ft at 12:00PM Apr 01, 2020Observed: 1.24 ft at 12:45PM Apr 01, 2020Observed: 1.17 ft at 2:05PM Apr 01, 2020Observed: 1.17 ft at 2:40PM Apr 01, 2020Observed: 1.13 ft at 8:40PM Apr 01, 2020Observed: 1.05 ft at 10:25PM Apr 01, 2020Observed: 1.01 ft at 2:40AM Apr 02, 2020Observed: 0.93 ft at 5:20AM Apr 02, 2020Observed: 0.97 ft at 8:40AM Apr 02, 2020Observed: 1.05 ft at 10:10AM Apr 02, 2020Observed: 1.13 ft at 12:35PM Apr 02, 2020Observed: 1.13 ft at 2:40PM Apr 02, 2020Observed: 1.05 ft at 5:45PM Apr 02, 2020MBOM2(plotting HGIRR) Graph Created (8:54PM Apr 2, 2020)ObservedLatest observed value: 1.05 ft at 5:45 PM EDT 2-Apr-2020. Flood Stage is 18 ft
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Gwynns Falls Tributary at McDonogh. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Not Available

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: 39.400556° N, Longitude: 76.770556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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:

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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.
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Page last modified: 1-Mar-2019 12:35 AM
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