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Hydrograph River at a Glance Download
Hudson Branch near Rogers Avenue at Ellicott City Stage (ft)Observed: 253.53 ft at 11:45PM Sep 17, 2019Observed: 253.52 ft at 12:45AM Sep 18, 2019Observed: 253.51 ft at 1:45AM Sep 18, 2019Observed: 253.5 ft at 3:45AM Sep 18, 2019Observed: 253.5 ft at 4:45AM Sep 18, 2019Observed: 253.49 ft at 6:45AM Sep 18, 2019Observed: 253.49 ft at 7:45AM Sep 18, 2019Observed: 253.5 ft at 8:45AM Sep 18, 2019Observed: 253.54 ft at 9:45AM Sep 18, 2019Observed: 253.56 ft at 10:45AM Sep 18, 2019Observed: 253.58 ft at 11:45AM Sep 18, 2019Observed: 253.59 ft at 12:45PM Sep 18, 2019Observed: 253.64 ft at 1:45PM Sep 18, 2019Observed: 253.66 ft at 2:45PM Sep 18, 2019Observed: 253.63 ft at 3:45PM Sep 18, 2019Observed: 253.61 ft at 4:30PM Sep 18, 2019Observed: 253.6 ft at 4:45PM Sep 18, 2019Observed: 253.6 ft at 5:45PM Sep 18, 2019Observed: 253.59 ft at 6:45PM Sep 18, 2019Observed: 253.56 ft at 7:45PM Sep 18, 2019Observed: 253.54 ft at 8:45PM Sep 18, 2019Observed: 253.53 ft at 9:45PM Sep 18, 2019Observed: 253.52 ft at 10:45PM Sep 18, 2019Observed: 253.52 ft at 11:45PM Sep 18, 2019Observed: 253.52 ft at 12:45AM Sep 19, 2019Observed: 253.51 ft at 1:45AM Sep 19, 2019Observed: 253.5 ft at 2:45AM Sep 19, 2019Observed: 253.49 ft at 3:45AM Sep 19, 2019Observed: 253.48 ft at 4:45AM Sep 19, 2019Observed: 253.47 ft at 7:45AM Sep 19, 2019Observed: 253.48 ft at 8:45AM Sep 19, 2019Observed: 253.51 ft at 9:45AM Sep 19, 2019Observed: 253.52 ft at 10:45AM Sep 19, 2019Observed: 253.52 ft at 11:45AM Sep 19, 2019Observed: 253.55 ft at 12:45PM Sep 19, 2019Observed: 253.64 ft at 1:45PM Sep 19, 2019Observed: 253.69 ft at 2:45PM Sep 19, 2019Observed: 253.59 ft at 3:40PM Sep 19, 2019Observed: 253.59 ft at 3:45PM Sep 19, 2019Observed: 253.57 ft at 4:45PM Sep 19, 2019Observed: 253.55 ft at 5:45PM Sep 19, 2019Observed: 253.54 ft at 6:45PM Sep 19, 2019Observed: 253.51 ft at 7:45PM Sep 19, 2019Observed: 253.49 ft at 8:45PM Sep 19, 2019Observed: 253.48 ft at 9:45PM Sep 19, 2019Observed: 253.47 ft at 10:45PM Sep 19, 2019Observed: 253.45 ft at 12:45AM Sep 20, 2019Observed: 253.45 ft at 1:45AM Sep 20, 2019Observed: 253.45 ft at 2:45AM Sep 20, 2019Observed: 253.44 ft at 4:45AM Sep 20, 2019Observed: 253.43 ft at 5:45AM Sep 20, 2019Observed: 253.43 ft at 6:45AM Sep 20, 2019Observed: 253.43 ft at 7:45AM Sep 20, 2019Observed: 253.44 ft at 8:45AM Sep 20, 2019Observed: 253.48 ft at 9:45AM Sep 20, 2019Observed: 253.53 ft at 10:45AM Sep 20, 2019Observed: 253.55 ft at 11:45AM Sep 20, 2019Observed: 253.58 ft at 12:45PM Sep 20, 2019Observed: 253.68 ft at 1:45PM Sep 20, 2019Observed: 253.78 ft at 2:30PM Sep 20, 2019Observed: 253.76 ft at 2:45PM Sep 20, 2019Observed: 253.66 ft at 3:20PM Sep 20, 2019Observed: 253.63 ft at 3:45PM Sep 20, 2019Observed: 253.61 ft at 4:45PM Sep 20, 2019Observed: 253.58 ft at 5:45PM Sep 20, 2019Observed: 253.57 ft at 6:45PM Sep 20, 2019Observed: 253.55 ft at 7:45PM Sep 20, 2019Observed: 253.53 ft at 8:45PM Sep 20, 2019Observed: 253.51 ft at 9:40PM Sep 20, 2019Observed: 253.51 ft at 9:45PM Sep 20, 2019Observed: 253.5 ft at 10:45PM Sep 20, 2019Observed: 253.48 ft at 12:45AM Sep 21, 2019Observed: 253.48 ft at 1:25AM Sep 21, 2019Observed: 253.48 ft at 1:45AM Sep 21, 2019Observed: 253.47 ft at 2:45AM Sep 21, 2019Observed: 253.47 ft at 3:45AM Sep 21, 2019Observed: 253.47 ft at 5:45AM Sep 21, 2019Observed: 253.46 ft at 7:45AM Sep 21, 2019Observed: 253.47 ft at 8:45AM Sep 21, 2019Observed: 253.51 ft at 9:45AM Sep 21, 2019Observed: 253.54 ft at 10:45AM Sep 21, 2019Observed: 253.58 ft at 11:45AM Sep 21, 2019Observed: 253.62 ft at 12:45PM Sep 21, 2019Observed: 253.72 ft at 1:45PM Sep 21, 2019Highest Observation: 253.79 ft at 2:45PM Sep 21, 2019Observed: 253.69 ft at 3:45PM Sep 21, 2019Observed: 253.65 ft at 4:45PM Sep 21, 2019Observed: 253.63 ft at 5:45PM Sep 21, 2019Observed: 253.61 ft at 6:45PM Sep 21, 2019Observed: 253.59 ft at 7:45PM Sep 21, 2019Observed: 253.58 ft at 8:45PM Sep 21, 2019Observed: 253.57 ft at 9:45PM Sep 21, 2019Observed: 253.56 ft at 10:45PM Sep 21, 2019Observed: 253.56 ft at 11:45PM Sep 21, 2019Observed: 253.56 ft at 12:45AM Sep 22, 2019Observed: 253.55 ft at 1:45AM Sep 22, 2019Observed: 253.55 ft at 2:45AM Sep 22, 2019Observed: 253.54 ft at 3:45AM Sep 22, 2019Observed: 253.54 ft at 4:45AM Sep 22, 2019Observed: 253.53 ft at 5:45AM Sep 22, 2019Observed: 253.53 ft at 6:45AM Sep 22, 2019Observed: 253.53 ft at 7:45AM Sep 22, 2019Observed: 253.54 ft at 8:45AM Sep 22, 2019Observed: 253.56 ft at 9:45AM Sep 22, 2019Observed: 253.59 ft at 10:45AM Sep 22, 2019Observed: 253.62 ft at 11:45AM Sep 22, 2019Observed: 253.65 ft at 12:45PM Sep 22, 2019Observed: 253.75 ft at 1:45PM Sep 22, 2019Observed: 253.76 ft at 2:45PM Sep 22, 2019Observed: 253.68 ft at 3:45PM Sep 22, 2019Observed: 253.67 ft at 4:45PM Sep 22, 2019Observed: 253.66 ft at 5:45PM Sep 22, 2019Observed: 253.63 ft at 6:45PM Sep 22, 2019Observed: 253.62 ft at 7:45PM Sep 22, 2019Observed: 253.61 ft at 8:45PM Sep 22, 2019Observed: 253.6 ft at 9:45PM Sep 22, 2019Observed: 253.6 ft at 10:45PM Sep 22, 2019ECHM2(plotting HGIRR) Graph Created (11:24PM Sep 22, 2019)ObservedLatest observed value: 253.6 ft at 10:45 PM EDT 22-Sep-2019. Flood Stage is 258 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Hudson Branch near Rogers Avenue at Ellicott City. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 260
Moderate Flood Stage: 259
Flood Stage: 258
Action Stage: 257
Low Stage (in feet): -9999

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.
Flood Impacts & Photos Collapse
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260 Major flooding is occurring with homes and roads flooded on Upper Main Street. This water will likely continue flowing down Main Street, causing additional damage.
259 Overbank flooding approaches homes on Upper Main Street in Ellicott City.
258 Water exceeds the banks of the stream, and begins to flow onto Main Street near Rogers Avenue.
257 Water reaches the underside of an access road bridge near Main Street and Rogers Avenue.
About This Location Collapse

Latitude: 39.268611° N, Longitude: 76.810000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 258 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  
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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.
NWS Information
National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 1-Mar-2019 12:35 AM
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