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Hydrograph River at a Glance Download
Cedar Run near Aden Stage (ft)Observed: 0.23 ft at 1:00AM Jul 26, 2021Observed: 0.23 ft at 2:00AM Jul 26, 2021Observed: 0.24 ft at 3:00AM Jul 26, 2021Observed: 0.24 ft at 4:00AM Jul 26, 2021Observed: 0.24 ft at 5:00AM Jul 26, 2021Observed: 0.24 ft at 6:00AM Jul 26, 2021Observed: 0.24 ft at 7:00AM Jul 26, 2021Observed: 0.24 ft at 8:00AM Jul 26, 2021Observed: 0.24 ft at 9:00AM Jul 26, 2021Observed: 0.23 ft at 10:00AM Jul 26, 2021Observed: 0.17 ft at 11:00AM Jul 26, 2021Observed: 0.17 ft at 12:00PM Jul 26, 2021Observed: 0.17 ft at 1:00PM Jul 26, 2021Observed: 0.17 ft at 2:00PM Jul 26, 2021Observed: 0.24 ft at 2:34PM Jul 26, 2021Observed: 0.17 ft at 2:45PM Jul 26, 2021Observed: 0.17 ft at 3:00PM Jul 26, 2021Observed: 0.16 ft at 3:05PM Jul 26, 2021Observed: 0.15 ft at 4:00PM Jul 26, 2021Observed: 0.15 ft at 5:00PM Jul 26, 2021Observed: 0.15 ft at 6:00PM Jul 26, 2021Observed: 0.15 ft at 7:00PM Jul 26, 2021Observed: 0.15 ft at 8:00PM Jul 26, 2021Observed: 0.18 ft at 8:14PM Jul 26, 2021Observed: 0.19 ft at 8:15PM Jul 26, 2021Observed: 0.27 ft at 8:30PM Jul 26, 2021Observed: 0.28 ft at 8:45PM Jul 26, 2021Observed: 0.28 ft at 8:46PM Jul 26, 2021Observed: 0.29 ft at 9:00PM Jul 26, 2021Observed: 0.29 ft at 9:15PM Jul 26, 2021Observed: 0.29 ft at 9:17PM Jul 26, 2021Observed: 0.3 ft at 10:00PM Jul 26, 2021Observed: 0.3 ft at 11:00PM Jul 26, 2021Observed: 0.38 ft at 2:00AM Jul 27, 2021Observed: 0.45 ft at 2:34AM Jul 27, 2021Observed: 0.46 ft at 2:45AM Jul 27, 2021Observed: 0.49 ft at 3:00AM Jul 27, 2021Observed: 0.49 ft at 3:05AM Jul 27, 2021Observed: 0.5 ft at 3:06AM Jul 27, 2021Observed: 0.51 ft at 3:15AM Jul 27, 2021Observed: 0.52 ft at 3:30AM Jul 27, 2021Observed: 0.52 ft at 3:37AM Jul 27, 2021Observed: 0.52 ft at 3:38AM Jul 27, 2021Observed: 0.53 ft at 3:45AM Jul 27, 2021Observed: 0.53 ft at 4:00AM Jul 27, 2021Observed: 0.53 ft at 4:09AM Jul 27, 2021Observed: 0.53 ft at 4:10AM Jul 27, 2021Observed: 0.52 ft at 4:15AM Jul 27, 2021Observed: 0.52 ft at 4:30AM Jul 27, 2021Observed: 0.51 ft at 4:41AM Jul 27, 2021Observed: 0.5 ft at 5:00AM Jul 27, 2021Observed: 0.45 ft at 6:00AM Jul 27, 2021Observed: 0.41 ft at 7:00AM Jul 27, 2021Observed: 0.43 ft at 7:38AM Jul 27, 2021Observed: 0.47 ft at 7:45AM Jul 27, 2021Observed: 0.62 ft at 8:00AM Jul 27, 2021Observed: 0.77 ft at 8:15AM Jul 27, 2021Observed: 0.91 ft at 8:30AM Jul 27, 2021Observed: 1.03 ft at 8:45AM Jul 27, 2021Observed: 1.21 ft at 9:45AM Jul 27, 2021Observed: 1.21 ft at 10:00AM Jul 27, 2021Observed: 1.2 ft at 10:15AM Jul 27, 2021Observed: 1.18 ft at 10:30AM Jul 27, 2021Observed: 1.17 ft at 10:45AM Jul 27, 2021Observed: 1.14 ft at 11:00AM Jul 27, 2021Observed: 1.12 ft at 11:15AM Jul 27, 2021Observed: 1.1 ft at 11:30AM Jul 27, 2021Observed: 1.07 ft at 11:45AM Jul 27, 2021Observed: 1.04 ft at 12:00PM Jul 27, 2021Observed: 1 ft at 12:25PM Jul 27, 2021Observed: 1.01 ft at 12:26PM Jul 27, 2021Observed: 1 ft at 12:30PM Jul 27, 2021Observed: 0.98 ft at 12:45PM Jul 27, 2021Observed: 0.96 ft at 12:58PM Jul 27, 2021Observed: 0.95 ft at 1:00PM Jul 27, 2021Observed: 0.87 ft at 2:00PM Jul 27, 2021Observed: 0.81 ft at 3:00PM Jul 27, 2021Observed: 0.76 ft at 4:00PM Jul 27, 2021Observed: 0.72 ft at 5:00PM Jul 27, 2021Observed: 0.69 ft at 6:00PM Jul 27, 2021Observed: 0.65 ft at 7:00PM Jul 27, 2021Observed: 0.63 ft at 8:00PM Jul 27, 2021Observed: 0.58 ft at 10:00PM Jul 27, 2021Observed: 0.55 ft at 11:00PM Jul 27, 2021Observed: 0.53 ft at 12:00AM Jul 28, 2021Observed: 0.52 ft at 1:00AM Jul 28, 2021Observed: 0.5 ft at 2:00AM Jul 28, 2021Observed: 0.48 ft at 3:00AM Jul 28, 2021Observed: 0.47 ft at 4:00AM Jul 28, 2021Observed: 0.46 ft at 5:00AM Jul 28, 2021Observed: 0.45 ft at 6:00AM Jul 28, 2021Observed: 0.43 ft at 7:00AM Jul 28, 2021Observed: 0.43 ft at 8:00AM Jul 28, 2021Observed: 0.42 ft at 9:00AM Jul 28, 2021Observed: 0.41 ft at 10:00AM Jul 28, 2021Observed: 0.4 ft at 11:00AM Jul 28, 2021Observed: 0.39 ft at 12:00PM Jul 28, 2021Observed: 0.39 ft at 1:00PM Jul 28, 2021Observed: 0.38 ft at 2:00PM Jul 28, 2021Observed: 0.37 ft at 3:00PM Jul 28, 2021Observed: 0.36 ft at 4:00PM Jul 28, 2021Observed: 0.34 ft at 5:00PM Jul 28, 2021Observed: 0.33 ft at 6:00PM Jul 28, 2021Observed: 0.32 ft at 7:00PM Jul 28, 2021Observed: 0.32 ft at 8:00PM Jul 28, 2021Observed: 0.31 ft at 9:00PM Jul 28, 2021Observed: 0.31 ft at 10:00PM Jul 28, 2021Observed: 0.3 ft at 11:00PM Jul 28, 2021Observed: 0.29 ft at 12:00AM Jul 29, 2021Observed: 0.31 ft at 1:00AM Jul 29, 2021Observed: 0.32 ft at 2:00AM Jul 29, 2021Observed: 0.32 ft at 3:00AM Jul 29, 2021Observed: 0.33 ft at 4:00AM Jul 29, 2021Observed: 0.33 ft at 5:00AM Jul 29, 2021Observed: 0.33 ft at 6:00AM Jul 29, 2021Observed: 0.32 ft at 7:00AM Jul 29, 2021Observed: 0.32 ft at 8:00AM Jul 29, 2021Observed: 0.34 ft at 9:00AM Jul 29, 2021Observed: 0.36 ft at 10:00AM Jul 29, 2021Observed: 0.38 ft at 11:00AM Jul 29, 2021Observed: 0.42 ft at 12:00PM Jul 29, 2021Observed: 0.45 ft at 1:00PM Jul 29, 2021Observed: 0.46 ft at 2:00PM Jul 29, 2021Observed: 0.46 ft at 3:00PM Jul 29, 2021Observed: 0.45 ft at 4:00PM Jul 29, 2021Observed: 0.44 ft at 5:00PM Jul 29, 2021Observed: 0.51 ft at 6:00PM Jul 29, 2021Observed: 0.53 ft at 7:00PM Jul 29, 2021Observed: 0.54 ft at 8:00PM Jul 29, 2021Observed: 0.54 ft at 9:00PM Jul 29, 2021Observed: 0.56 ft at 10:00PM Jul 29, 2021Observed: 0.59 ft at 11:00PM Jul 29, 2021Observed: 0.63 ft at 12:00AM Jul 30, 2021Observed: 0.67 ft at 1:00AM Jul 30, 2021Observed: 0.76 ft at 2:00AM Jul 30, 2021Observed: 0.85 ft at 3:00AM Jul 30, 2021Observed: 0.9 ft at 3:22AM Jul 30, 2021Observed: 0.92 ft at 3:30AM Jul 30, 2021Observed: 0.97 ft at 3:45AM Jul 30, 2021Observed: 1.03 ft at 4:00AM Jul 30, 2021Observed: 1.23 ft at 8:55AM Jul 30, 2021Observed: 1.22 ft at 9:00AM Jul 30, 2021Observed: 1.17 ft at 10:00AM Jul 30, 2021Observed: 1.22 ft at 10:38AM Jul 30, 2021Observed: 1.23 ft at 10:45AM Jul 30, 2021Observed: 1.27 ft at 11:00AM Jul 30, 2021Highest Observation: 1.39 ft at 1:27PM Jul 30, 2021Highest Observation: 1.39 ft at 1:28PM Jul 30, 2021Highest Observation: 1.39 ft at 1:30PM Jul 30, 2021Observed: 1.38 ft at 1:45PM Jul 30, 2021Observed: 1.37 ft at 1:58PM Jul 30, 2021Observed: 1.37 ft at 2:00PM Jul 30, 2021Observed: 1.31 ft at 3:00PM Jul 30, 2021Observed: 1.26 ft at 4:00PM Jul 30, 2021Observed: 1.2 ft at 5:00PM Jul 30, 2021Observed: 1.15 ft at 6:00PM Jul 30, 2021Observed: 1.09 ft at 7:00PM Jul 30, 2021Observed: 1.05 ft at 8:00PM Jul 30, 2021Observed: 1.01 ft at 9:00PM Jul 30, 2021Observed: 0.97 ft at 10:00PM Jul 30, 2021Virginia Tech Occoquan Watershed Monitoring LaboratoryADEV2(plotting HGIRZ) Graph Created (12:41AM Jul 31, 2021)ObservedLatest observed value: 0.97 ft at 10:00 PM EDT 30-Jul-2021. Flood Stage is 10 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 Cedar Run near Aden. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 15
Flood Stage: 10
Action Stage: 9
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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20 Fleetwood Road and Aden Road are both flooded by at least five feet of flowing water. Water approaches homes near Aden and several outbuildings are flooded.
15 Fleetwood Road and a significant portion of Aden Road are flooded near Cedar Run. Water approaches outbuildings near Aden.
13 Water begins to cover Aden Road near Aden. Several acres of agricultural land are flooded near Aden. An access road near Cedar Run on Quantico Marine Base may also begin to flood.
10 Fleetwood Road floods near Cedar Run.
9 Water spills over the banks, affecting agricultural land near Aden.
About This Location Collapse

Latitude: 38.615080° N, Longitude: 77.553420° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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: 2-Nov-2020 7:30 PM
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