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Hydrograph River at a Glance Download
Jones Hollow above Jones Hollow Dam Stage (ft)Highest Observation: 20.2 ft at 7:15AM Aug 02, 2020Observed: 16.1 ft at 8:42AM Aug 02, 2020Observed: 16.6 ft at 8:48AM Aug 02, 2020Observed: 15.4 ft at 8:57AM Aug 02, 2020Observed: 16.1 ft at 9:00AM Aug 02, 2020Observed: 16.3 ft at 9:06AM Aug 02, 2020Observed: 16.6 ft at 9:12AM Aug 02, 2020Observed: 16.2 ft at 9:15AM Aug 02, 2020Observed: 16.6 ft at 9:46AM Aug 02, 2020Observed: 16.4 ft at 12:54PM Aug 02, 2020Observed: 16.6 ft at 2:58PM Aug 02, 2020Observed: 16.5 ft at 8:57PM Aug 02, 2020Observed: 16.5 ft at 2:57AM Aug 03, 2020Observed: 16.4 ft at 8:57AM Aug 03, 2020Observed: 16.8 ft at 9:07AM Aug 03, 2020Observed: 16.5 ft at 9:09AM Aug 03, 2020Observed: 17 ft at 9:39AM Aug 03, 2020Observed: 16.6 ft at 9:42AM Aug 03, 2020Observed: 17.2 ft at 9:57AM Aug 03, 2020Observed: 16.4 ft at 10:00AM Aug 03, 2020Observed: 16.8 ft at 10:33AM Aug 03, 2020Observed: 16.4 ft at 10:39AM Aug 03, 2020Observed: 16.5 ft at 10:51AM Aug 03, 2020Observed: 15.8 ft at 10:57AM Aug 03, 2020Observed: 16.7 ft at 11:09AM Aug 03, 2020Observed: 16.5 ft at 11:51AM Aug 03, 2020Observed: 16.5 ft at 1:42PM Aug 03, 2020Observed: 16.2 ft at 10:01AM Aug 04, 2020Observed: 16.7 ft at 10:11AM Aug 04, 2020Observed: 17.2 ft at 10:14AM Aug 04, 2020Observed: 16.8 ft at 10:17AM Aug 04, 2020Observed: 16.7 ft at 10:59AM Aug 04, 2020Observed: 17.1 ft at 12:03PM Aug 04, 2020Observed: 16.4 ft at 2:37PM Aug 04, 2020Observed: 17.5 ft at 3:34PM Aug 04, 2020Observed: 16.7 ft at 3:36PM Aug 04, 2020Observed: 16.6 ft at 9:35PM Aug 04, 2020Observed: 16.2 ft at 8:38AM Aug 05, 2020Observed: 16.4 ft at 8:39AM Aug 05, 2020Observed: 16.6 ft at 8:43AM Aug 05, 2020Observed: 16.9 ft at 8:44AM Aug 05, 2020Observed: 16.5 ft at 8:48AM Aug 05, 2020Observed: 15.5 ft at 8:51AM Aug 05, 2020Observed: 16.7 ft at 8:54AM Aug 05, 2020Observed: 16.4 ft at 9:33AM Aug 05, 2020Observed: 17.7 ft at 9:56AM Aug 05, 2020Observed: 16.6 ft at 9:59AM Aug 05, 2020Observed: 15.6 ft at 10:04AM Aug 05, 2020Observed: 16.7 ft at 10:21AM Aug 05, 2020Observed: 16.6 ft at 10:23AM Aug 05, 2020Observed: 16.9 ft at 1:21PM Aug 05, 2020Observed: 16.9 ft at 9:27AM Aug 06, 2020Observed: 16.3 ft at 9:30AM Aug 06, 2020Observed: 14.8 ft at 9:36AM Aug 06, 2020Observed: 16.5 ft at 9:40AM Aug 06, 2020Observed: 14.8 ft at 9:51AM Aug 06, 2020Observed: 16.1 ft at 9:54AM Aug 06, 2020Observed: 16.4 ft at 10:09AM Aug 06, 2020Observed: 16.6 ft at 10:33AM Aug 06, 2020Observed: 16.1 ft at 10:36AM Aug 06, 2020Observed: 16.8 ft at 9:15PM Aug 06, 2020JHDV2(plotting HGIRR) Graph Created (12:54AM Aug 7, 2020)ObservedLatest observed value: 16.8 ft at 9:15 PM EDT 6-Aug-2020.
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Jones Hollow above Jones Hollow Dam. 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.

For more information on your flood risk go to www.floodsmart.gov.

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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.
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Latitude: 38.052500° N, Longitude: 78.873333° 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: 1-Mar-2019 12:35 AM
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