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Hydrograph River at a Glance Download
Unnamed Tributary below Northampton Lake Dam in Lake Arbor Stage (ft)Observed: 0.2 ft at 11:10PM May 12, 2021Observed: 0.2 ft at 9:15AM May 13, 2021Observed: 0.2 ft at 9:20AM May 13, 2021Highest Observation: 0.41 ft at 9:30AM May 13, 2021Observed: 0.2 ft at 9:35AM May 13, 2021Highest Observation: 0.41 ft at 10:10AM May 13, 2021Observed: 0.2 ft at 10:15AM May 13, 2021Observed: 0.2 ft at 10:20AM May 13, 2021Highest Observation: 0.41 ft at 10:45AM May 13, 2021Highest Observation: 0.41 ft at 10:50AM May 13, 2021Observed: 0.2 ft at 10:55AM May 13, 2021Observed: 0.31 ft at 11:10AM May 13, 2021Observed: 0.1 ft at 7:45PM May 13, 2021Observed: 0.31 ft at 7:50PM May 13, 2021Observed: 0.1 ft at 10:10PM May 13, 2021Observed: 0.31 ft at 10:15PM May 13, 2021Observed: 0.2 ft at 11:10PM May 13, 2021Observed: 0.2 ft at 6:15AM May 14, 2021Highest Observation: 0.41 ft at 9:05AM May 14, 2021Observed: 0.2 ft at 9:10AM May 14, 2021Highest Observation: 0.41 ft at 10:00AM May 14, 2021Observed: 0.2 ft at 10:30AM May 14, 2021Highest Observation: 0.41 ft at 10:35AM May 14, 2021Observed: 0.2 ft at 10:50AM May 14, 2021Highest Observation: 0.41 ft at 11:00AM May 14, 2021Highest Observation: 0.41 ft at 11:10AM May 14, 2021Observed: 0.2 ft at 11:20AM May 14, 2021Highest Observation: 0.41 ft at 1:00PM May 14, 2021Observed: 0.2 ft at 1:20PM May 14, 2021Highest Observation: 0.41 ft at 1:30PM May 14, 2021Observed: 0.1 ft at 1:40PM May 14, 2021Observed: 0.2 ft at 1:45PM May 14, 2021Observed: 0.2 ft at 2:40PM May 14, 2021Highest Observation: 0.41 ft at 3:15PM May 14, 2021Highest Observation: 0.41 ft at 3:30PM May 14, 2021Observed: 0.2 ft at 3:35PM May 14, 2021Highest Observation: 0.41 ft at 4:10PM May 14, 2021Observed: 0.2 ft at 4:35PM May 14, 2021Highest Observation: 0.41 ft at 4:40PM May 14, 2021Observed: 0.2 ft at 4:45PM May 14, 2021Highest Observation: 0.41 ft at 6:10PM May 14, 2021Observed: 0.2 ft at 6:25PM May 14, 2021Observed: 0.31 ft at 11:10PM May 14, 2021Observed: 0.1 ft at 5:40AM May 15, 2021Observed: 0.31 ft at 5:45AM May 15, 2021Observed: 0.1 ft at 7:05AM May 15, 2021Observed: 0.31 ft at 7:25AM May 15, 2021Observed: 0.1 ft at 10:25AM May 15, 2021Observed: 0.31 ft at 10:30AM May 15, 2021Observed: 0.31 ft at 11:10AM May 15, 2021Observed: 0.1 ft at 1:05PM May 15, 2021Observed: 0.31 ft at 1:10PM May 15, 2021Observed: 0.1 ft at 2:35PM May 15, 2021Highest Observation: 0.41 ft at 2:40PM May 15, 2021Observed: 0.2 ft at 2:55PM May 15, 2021Highest Observation: 0.41 ft at 3:25PM May 15, 2021Observed: 0.2 ft at 3:30PM May 15, 2021Highest Observation: 0.41 ft at 4:15PM May 15, 2021Observed: 0.2 ft at 4:20PM May 15, 2021Highest Observation: 0.41 ft at 4:40PM May 15, 2021Observed: 0.2 ft at 5:00PM May 15, 2021Observed: 0.2 ft at 5:10PM May 15, 2021Highest Observation: 0.41 ft at 6:00PM May 15, 2021Observed: 0.2 ft at 6:05PM May 15, 2021Observed: 0.2 ft at 6:15PM May 15, 2021Highest Observation: 0.41 ft at 7:05PM May 15, 2021Observed: 0.2 ft at 7:30PM May 15, 2021Highest Observation: 0.41 ft at 8:15PM May 15, 2021Observed: 0.2 ft at 8:20PM May 15, 2021Observed: 0.2 ft at 11:10PM May 15, 2021Observed: 0.2 ft at 7:15AM May 16, 2021Highest Observation: 0.41 ft at 9:15AM May 16, 2021Observed: 0.2 ft at 9:40AM May 16, 2021Highest Observation: 0.41 ft at 10:10AM May 16, 2021Observed: 0.2 ft at 10:15AM May 16, 2021Highest Observation: 0.41 ft at 10:40AM May 16, 2021Observed: 0.2 ft at 10:45AM May 16, 2021Observed: 0.2 ft at 11:10AM May 16, 2021Highest Observation: 0.41 ft at 11:15AM May 16, 2021Observed: 0.2 ft at 11:25AM May 16, 2021Highest Observation: 0.41 ft at 11:40AM May 16, 2021Observed: 0.2 ft at 11:45AM May 16, 2021Highest Observation: 0.41 ft at 12:15PM May 16, 2021Observed: 0.2 ft at 12:25PM May 16, 2021Highest Observation: 0.41 ft at 1:15PM May 16, 2021Observed: 0.2 ft at 1:25PM May 16, 2021Highest Observation: 0.41 ft at 2:15PM May 16, 2021Observed: 0.2 ft at 2:20PM May 16, 2021Highest Observation: 0.41 ft at 3:25PM May 16, 2021Observed: 0.2 ft at 3:35PM May 16, 2021Highest Observation: 0.41 ft at 3:40PM May 16, 2021Observed: 0.2 ft at 3:45PM May 16, 2021Highest Observation: 0.41 ft at 4:00PM May 16, 2021Observed: 0.2 ft at 4:10PM May 16, 2021Highest Observation: 0.41 ft at 4:30PM May 16, 2021Observed: 0.2 ft at 4:45PM May 16, 2021Observed: 0.31 ft at 11:10PM May 16, 2021Observed: 0.1 ft at 6:10AM May 17, 2021Observed: 0.31 ft at 6:15AM May 17, 2021Observed: 0.1 ft at 7:40AM May 17, 2021Highest Observation: 0.41 ft at 7:45AM May 17, 2021Observed: 0.1 ft at 7:50AM May 17, 2021Observed: 0.31 ft at 7:55AM May 17, 2021Observed: 0.31 ft at 8:10AM May 17, 2021Observed: 0.1 ft at 8:40AM May 17, 2021Observed: 0.31 ft at 8:45AM May 17, 2021Observed: 0.2 ft at 11:10AM May 17, 2021Highest Observation: 0.41 ft at 11:15AM May 17, 2021Observed: 0.2 ft at 11:30AM May 17, 2021Observed: 0.31 ft at 12:15PM May 17, 2021Observed: 0.1 ft at 1:30PM May 17, 2021Observed: 0.31 ft at 1:35PM May 17, 2021Observed: 0.1 ft at 3:40PM May 17, 2021Observed: 0.31 ft at 3:45PM May 17, 2021Observed: 0.31 ft at 5:40PM May 17, 2021Observed: 0.1 ft at 8:10PM May 17, 2021Observed: 0.2 ft at 8:15PM May 17, 2021LKDM2(plotting HGIRR) Graph Created (9:40PM May 17, 2021)ObservedLatest observed value: 0.2 ft at 8:15 PM EDT 17-May-2021.
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
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Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Unnamed Tributary below Northampton Lake Dam in Lake Arbor. 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
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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: 38.900556° N, Longitude: 76.807222° 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  
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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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(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 2-Nov-2020 7:30 PM
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