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Hydrograph River at a Glance Download
Gwynns Falls Tributary at McDonogh Stage (ft)Observed: 0.7 ft at 10:35AM Sep 15, 2019Observed: 0.82 ft at 11:20AM Sep 15, 2019Observed: 0.74 ft at 11:35AM Sep 15, 2019Observed: 0.82 ft at 1:10PM Sep 15, 2019Observed: 0.82 ft at 2:30PM Sep 15, 2019Observed: 0.74 ft at 4:40PM Sep 15, 2019Observed: 0.66 ft at 6:35PM Sep 15, 2019Observed: 0.58 ft at 8:05PM Sep 15, 2019Observed: 0.58 ft at 8:30PM Sep 15, 2019Observed: 0.51 ft at 11:45PM Sep 15, 2019Observed: 0.51 ft at 2:30AM Sep 16, 2019Observed: 0.47 ft at 8:30AM Sep 16, 2019Observed: 0.55 ft at 9:35AM Sep 16, 2019Observed: 0.62 ft at 10:35AM Sep 16, 2019Observed: 0.7 ft at 11:40AM Sep 16, 2019Observed: 0.78 ft at 1:25PM Sep 16, 2019Observed: 0.82 ft at 2:30PM Sep 16, 2019Observed: 0.74 ft at 4:45PM Sep 16, 2019Observed: 0.66 ft at 6:00PM Sep 16, 2019Observed: 0.58 ft at 7:40PM Sep 16, 2019Observed: 0.58 ft at 8:30PM Sep 16, 2019Observed: 0.51 ft at 12:40AM Sep 17, 2019Observed: 0.51 ft at 2:30AM Sep 17, 2019Observed: 0.58 ft at 7:20AM Sep 17, 2019Observed: 0.62 ft at 8:30AM Sep 17, 2019Observed: 0.7 ft at 10:35AM Sep 17, 2019Observed: 0.66 ft at 5:50PM Sep 17, 2019Observed: 0.58 ft at 7:55PM Sep 17, 2019Observed: 0.58 ft at 8:30PM Sep 17, 2019Observed: 0.51 ft at 10:45PM Sep 17, 2019Observed: 0.51 ft at 2:30AM Sep 18, 2019Observed: 0.58 ft at 4:00AM Sep 18, 2019Observed: 0.43 ft at 5:05AM Sep 18, 2019Observed: 0.51 ft at 5:35AM Sep 18, 2019Observed: 0.58 ft at 6:50AM Sep 18, 2019Observed: 0.66 ft at 7:10AM Sep 18, 2019Observed: 0.58 ft at 8:00AM Sep 18, 2019Observed: 0.58 ft at 8:30AM Sep 18, 2019Observed: 0.66 ft at 9:35AM Sep 18, 2019Observed: 0.7 ft at 10:10AM Sep 18, 2019Observed: 0.62 ft at 10:15AM Sep 18, 2019Observed: 0.55 ft at 10:20AM Sep 18, 2019Observed: 0.62 ft at 11:35AM Sep 18, 2019Observed: 0.74 ft at 12:25PM Sep 18, 2019Observed: 0.66 ft at 12:40PM Sep 18, 2019Observed: 0.7 ft at 2:30PM Sep 18, 2019Observed: 0.62 ft at 4:50PM Sep 18, 2019Observed: 0.55 ft at 7:00PM Sep 18, 2019Observed: 0.51 ft at 8:30PM Sep 18, 2019Observed: 0.62 ft at 12:35AM Sep 19, 2019Observed: 0.7 ft at 12:40AM Sep 19, 2019Observed: 0.62 ft at 1:15AM Sep 19, 2019Observed: 0.51 ft at 1:25AM Sep 19, 2019Observed: 0.43 ft at 2:15AM Sep 19, 2019Observed: 0.43 ft at 2:30AM Sep 19, 2019Observed: 0.55 ft at 5:05AM Sep 19, 2019Observed: 0.7 ft at 5:10AM Sep 19, 2019Observed: 0.58 ft at 5:25AM Sep 19, 2019Observed: 0.47 ft at 5:30AM Sep 19, 2019Observed: 0.39 ft at 5:50AM Sep 19, 2019Observed: 0.47 ft at 6:40AM Sep 19, 2019Observed: 0.55 ft at 6:55AM Sep 19, 2019Observed: 0.74 ft at 7:00AM Sep 19, 2019Observed: 0.47 ft at 7:10AM Sep 19, 2019Observed: 0.39 ft at 7:20AM Sep 19, 2019Observed: 0.43 ft at 8:30AM Sep 19, 2019Observed: 0.51 ft at 10:05AM Sep 19, 2019Highest Observation: 0.89 ft at 10:30AM Sep 19, 2019Observed: 0.74 ft at 10:35AM Sep 19, 2019Observed: 0.66 ft at 10:40AM Sep 19, 2019Observed: 0.58 ft at 10:55AM Sep 19, 2019Observed: 0.51 ft at 11:00AM Sep 19, 2019Observed: 0.62 ft at 11:05AM Sep 19, 2019Observed: 0.55 ft at 11:10AM Sep 19, 2019Observed: 0.66 ft at 11:30AM Sep 19, 2019Observed: 0.58 ft at 11:35AM Sep 19, 2019Observed: 0.66 ft at 11:55AM Sep 19, 2019Observed: 0.74 ft at 2:20PM Sep 19, 2019Observed: 0.7 ft at 2:30PM Sep 19, 2019Observed: 0.62 ft at 4:10PM Sep 19, 2019Observed: 0.55 ft at 5:05PM Sep 19, 2019Observed: 0.47 ft at 7:20PM Sep 19, 2019Observed: 0.43 ft at 8:30PM Sep 19, 2019Observed: 0.55 ft at 10:10PM Sep 19, 2019Observed: 0.62 ft at 10:15PM Sep 19, 2019Observed: 0.47 ft at 10:20PM Sep 19, 2019Observed: 0.47 ft at 10:25PM Sep 19, 2019Observed: 0.39 ft at 10:55PM Sep 19, 2019Observed: 0.39 ft at 2:30AM Sep 20, 2019Observed: 0.31 ft at 7:00AM Sep 20, 2019MBOM2(plotting HGIRR) Graph Created (8:39AM Sep 20, 2019)ObservedLatest observed value: 0.31 ft at 7:00 AM EDT 20-Sep-2019. 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.
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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
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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.
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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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