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Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...
Weather Forecast Office Blacksburg, VA Southeast River Forecast Center
Hydrograph River at a Glance Download
Roanoke River at Glenvar Stage (ft)Flow (kcfs)Observed: 3.26 ft at 8:15AM May 18, 2013Observed: 3.26 ft at 8:30AM May 18, 2013Observed: 3.25 ft at 8:45AM May 18, 2013Observed: 3.25 ft at 9:00AM May 18, 2013Observed: 3.25 ft at 9:15AM May 18, 2013Observed: 3.24 ft at 9:30AM May 18, 2013Observed: 3.24 ft at 9:45AM May 18, 2013Observed: 3.23 ft at 10:00AM May 18, 2013Observed: 3.23 ft at 10:15AM May 18, 2013Observed: 3.23 ft at 10:30AM May 18, 2013Observed: 3.23 ft at 10:45AM May 18, 2013Observed: 3.23 ft at 11:00AM May 18, 2013Observed: 3.22 ft at 11:15AM May 18, 2013Observed: 3.23 ft at 11:30AM May 18, 2013Observed: 3.22 ft at 11:45AM May 18, 2013Observed: 3.23 ft at 12:00PM May 18, 2013Observed: 3.23 ft at 12:15PM May 18, 2013Observed: 3.22 ft at 12:30PM May 18, 2013Observed: 3.23 ft at 12:45PM May 18, 2013Observed: 3.23 ft at 1:00PM May 18, 2013Observed: 3.23 ft at 1:15PM May 18, 2013Observed: 3.24 ft at 1:30PM May 18, 2013Observed: 3.24 ft at 1:45PM May 18, 2013Observed: 3.25 ft at 2:00PM May 18, 2013Observed: 3.26 ft at 2:15PM May 18, 2013Observed: 3.26 ft at 2:30PM May 18, 2013Observed: 3.26 ft at 2:45PM May 18, 2013Observed: 3.26 ft at 3:00PM May 18, 2013Observed: 3.26 ft at 3:15PM May 18, 2013Observed: 3.26 ft at 3:30PM May 18, 2013Observed: 3.26 ft at 3:45PM May 18, 2013Observed: 3.25 ft at 4:00PM May 18, 2013Observed: 3.25 ft at 4:15PM May 18, 2013Observed: 3.25 ft at 4:30PM May 18, 2013Observed: 3.25 ft at 4:45PM May 18, 2013Observed: 3.25 ft at 5:00PM May 18, 2013Observed: 3.25 ft at 5:15PM May 18, 2013Observed: 3.24 ft at 5:30PM May 18, 2013Observed: 3.25 ft at 5:45PM May 18, 2013Observed: 3.24 ft at 6:00PM May 18, 2013Observed: 3.24 ft at 6:15PM May 18, 2013Observed: 3.24 ft at 6:30PM May 18, 2013Observed: 3.24 ft at 6:45PM May 18, 2013Observed: 3.24 ft at 7:00PM May 18, 2013Observed: 3.24 ft at 7:15PM May 18, 2013Observed: 3.23 ft at 7:30PM May 18, 2013Observed: 3.24 ft at 7:45PM May 18, 2013Observed: 3.23 ft at 8:00PM May 18, 2013Observed: 3.24 ft at 8:15PM May 18, 2013Observed: 3.24 ft at 8:30PM May 18, 2013Observed: 3.24 ft at 8:45PM May 18, 2013Observed: 3.24 ft at 9:00PM May 18, 2013Observed: 3.24 ft at 9:15PM May 18, 2013Observed: 3.24 ft at 9:30PM May 18, 2013Observed: 3.24 ft at 9:45PM May 18, 2013Observed: 3.24 ft at 10:00PM May 18, 2013Observed: 3.24 ft at 10:15PM May 18, 2013Observed: 3.25 ft at 10:30PM May 18, 2013Observed: 3.3 ft at 10:45PM May 18, 2013Observed: 3.34 ft at 11:00PM May 18, 2013Observed: 3.37 ft at 11:15PM May 18, 2013Observed: 3.39 ft at 11:30PM May 18, 2013Observed: 3.39 ft at 11:45PM May 18, 2013Observed: 3.39 ft at 12:00AM May 19, 2013Observed: 3.38 ft at 12:15AM May 19, 2013Observed: 3.38 ft at 12:30AM May 19, 2013Observed: 3.38 ft at 12:45AM May 19, 2013Observed: 3.38 ft at 1:00AM May 19, 2013Observed: 3.38 ft at 1:15AM May 19, 2013Observed: 3.38 ft at 1:30AM May 19, 2013Observed: 3.37 ft at 1:45AM May 19, 2013Observed: 3.37 ft at 2:00AM May 19, 2013Observed: 3.37 ft at 2:15AM May 19, 2013Observed: 3.36 ft at 2:30AM May 19, 2013Observed: 3.35 ft at 2:45AM May 19, 2013Observed: 3.35 ft at 3:00AM May 19, 2013Observed: 3.35 ft at 3:15AM May 19, 2013Observed: 3.33 ft at 3:30AM May 19, 2013Observed: 3.33 ft at 3:45AM May 19, 2013Observed: 3.33 ft at 4:00AM May 19, 2013Observed: 3.32 ft at 4:15AM May 19, 2013Observed: 3.32 ft at 4:30AM May 19, 2013Observed: 3.32 ft at 4:45AM May 19, 2013Observed: 3.32 ft at 5:00AM May 19, 2013Observed: 3.32 ft at 5:15AM May 19, 2013Observed: 3.32 ft at 5:30AM May 19, 2013Observed: 3.32 ft at 5:45AM May 19, 2013Observed: 3.32 ft at 6:00AM May 19, 2013Observed: 3.32 ft at 6:15AM May 19, 2013Observed: 3.32 ft at 6:30AM May 19, 2013Observed: 3.33 ft at 6:45AM May 19, 2013Observed: 3.34 ft at 7:00AM May 19, 2013Observed: 3.35 ft at 7:15AM May 19, 2013Observed: 3.35 ft at 7:30AM May 19, 2013Observed: 3.35 ft at 7:45AM May 19, 2013Observed: 3.36 ft at 8:00AM May 19, 2013Observed: 3.36 ft at 8:15AM May 19, 2013Observed: 3.36 ft at 8:30AM May 19, 2013Observed: 3.37 ft at 8:45AM May 19, 2013Observed: 3.37 ft at 9:00AM May 19, 2013Observed: 3.38 ft at 9:15AM May 19, 2013Observed: 3.39 ft at 9:30AM May 19, 2013Observed: 3.38 ft at 9:45AM May 19, 2013Observed: 3.39 ft at 10:00AM May 19, 2013Observed: 3.39 ft at 10:15AM May 19, 2013Observed: 3.39 ft at 10:30AM May 19, 2013Observed: 3.4 ft at 10:45AM May 19, 2013Observed: 3.41 ft at 11:00AM May 19, 2013Observed: 3.42 ft at 11:15AM May 19, 2013Observed: 3.43 ft at 11:30AM May 19, 2013Observed: 3.44 ft at 11:45AM May 19, 2013Observed: 3.45 ft at 12:00PM May 19, 2013Observed: 3.46 ft at 12:15PM May 19, 2013Observed: 3.47 ft at 12:30PM May 19, 2013Observed: 3.47 ft at 12:45PM May 19, 2013Observed: 3.47 ft at 1:00PM May 19, 2013Observed: 3.47 ft at 1:15PM May 19, 2013Observed: 3.47 ft at 1:30PM May 19, 2013Observed: 3.47 ft at 1:45PM May 19, 2013Observed: 3.48 ft at 2:00PM May 19, 2013Observed: 3.48 ft at 2:15PM May 19, 2013Observed: 3.48 ft at 2:30PM May 19, 2013Highest Observation: 3.49 ft at 2:45PM May 19, 2013Highest Observation: 3.49 ft at 3:00PM May 19, 2013Highest Observation: 3.49 ft at 3:15PM May 19, 2013Highest Observation: 3.49 ft at 3:30PM May 19, 2013Highest Observation: 3.49 ft at 3:45PM May 19, 2013Highest Observation: 3.49 ft at 4:00PM May 19, 2013Highest Observation: 3.49 ft at 4:15PM May 19, 2013Highest Observation: 3.49 ft at 4:30PM May 19, 2013Highest Observation: 3.49 ft at 4:45PM May 19, 2013Highest Observation: 3.49 ft at 5:00PM May 19, 2013Highest Observation: 3.49 ft at 5:15PM May 19, 2013Observed: 3.48 ft at 5:30PM May 19, 2013Observed: 3.48 ft at 5:45PM May 19, 2013Observed: 3.47 ft at 6:00PM May 19, 2013Observed: 3.48 ft at 6:15PM May 19, 2013Observed: 3.47 ft at 6:30PM May 19, 2013Observed: 3.47 ft at 6:45PM May 19, 2013Observed: 3.47 ft at 7:00PM May 19, 2013Observed: 3.47 ft at 7:15PM May 19, 2013Observed: 3.46 ft at 7:30PM May 19, 2013Observed: 3.46 ft at 7:45PM May 19, 2013Observed: 3.46 ft at 8:00PM May 19, 2013Observed: 3.46 ft at 8:15PM May 19, 2013Observed: 3.45 ft at 8:30PM May 19, 2013Observed: 3.45 ft at 8:45PM May 19, 2013Observed: 3.45 ft at 9:00PM May 19, 2013Observed: 3.45 ft at 9:15PM May 19, 2013Observed: 3.45 ft at 9:30PM May 19, 2013Observed: 3.45 ft at 9:45PM May 19, 2013Observed: 3.45 ft at 10:00PM May 19, 2013Observed: 3.45 ft at 10:15PM May 19, 2013Observed: 3.44 ft at 10:30PM May 19, 2013Observed: 3.44 ft at 10:45PM May 19, 2013Observed: 3.44 ft at 11:00PM May 19, 2013Observed: 3.44 ft at 11:15PM May 19, 2013Observed: 3.43 ft at 11:30PM May 19, 2013Observed: 3.43 ft at 11:45PM May 19, 2013Observed: 3.44 ft at 12:00AM May 20, 2013Observed: 3.44 ft at 12:15AM May 20, 2013Observed: 3.44 ft at 12:30AM May 20, 2013Observed: 3.45 ft at 12:45AM May 20, 2013Observed: 3.45 ft at 1:00AM May 20, 2013Observed: 3.45 ft at 1:15AM May 20, 2013Observed: 3.44 ft at 1:30AM May 20, 2013Observed: 3.44 ft at 1:45AM May 20, 2013Observed: 3.44 ft at 2:00AM May 20, 2013Observed: 3.43 ft at 2:15AM May 20, 2013Observed: 3.43 ft at 2:30AM May 20, 2013Observed: 3.43 ft at 2:45AM May 20, 2013Observed: 3.43 ft at 3:00AM May 20, 2013Observed: 3.43 ft at 3:15AM May 20, 2013Observed: 3.43 ft at 3:30AM May 20, 2013Observed: 3.42 ft at 3:45AM May 20, 2013Observed: 3.42 ft at 4:00AM May 20, 2013Observed: 3.42 ft at 4:15AM May 20, 2013Observed: 3.42 ft at 4:30AM May 20, 2013Observed: 3.42 ft at 4:45AM May 20, 2013Observed: 3.41 ft at 5:00AM May 20, 2013Observed: 3.41 ft at 5:15AM May 20, 2013Observed: 3.41 ft at 5:30AM May 20, 2013Observed: 3.41 ft at 5:45AM May 20, 2013Observed: 3.4 ft at 6:00AM May 20, 2013Observed: 3.41 ft at 6:15AM May 20, 2013Observed: 3.41 ft at 6:30AM May 20, 2013Observed: 3.4 ft at 6:45AM May 20, 2013Observed: 3.4 ft at 7:00AM May 20, 2013Observed: 3.4 ft at 7:15AM May 20, 2013Observed: 3.4 ft at 7:30AM May 20, 2013Observed: 3.4 ft at 7:45AM May 20, 2013Observed: 3.39 ft at 8:00AM May 20, 2013Observed: 3.4 ft at 8:15AM May 20, 2013Observed: 3.39 ft at 8:30AM May 20, 2013Observed: 3.39 ft at 8:45AM May 20, 2013Observed: 3.39 ft at 9:00AM May 20, 2013Observed: 3.39 ft at 9:15AM May 20, 2013Observed: 3.39 ft at 9:30AM May 20, 2013Observed: 3.39 ft at 9:45AM May 20, 2013Observed: 3.38 ft at 10:00AM May 20, 2013Observed: 3.38 ft at 10:15AM May 20, 2013Observed: 3.38 ft at 10:30AM May 20, 2013Observed: 3.39 ft at 10:45AM May 20, 2013Observed: 3.38 ft at 11:00AM May 20, 2013Observed: 3.38 ft at 11:15AM May 20, 2013Observed: 3.38 ft at 11:30AM May 20, 2013Observed: 3.37 ft at 11:45AM May 20, 2013Observed: 3.37 ft at 12:00PM May 20, 2013Observed: 3.37 ft at 12:15PM May 20, 2013Observed: 3.37 ft at 12:30PM May 20, 2013Observed: 3.37 ft at 12:45PM May 20, 2013Observed: 3.37 ft at 1:00PM May 20, 2013Observed: 3.36 ft at 1:15PM May 20, 2013Observed: 3.36 ft at 1:30PM May 20, 2013Observed: 3.37 ft at 1:45PM May 20, 2013Observed: 3.36 ft at 2:00PM May 20, 2013Observed: 3.36 ft at 2:15PM May 20, 2013Observed: 3.36 ft at 2:30PM May 20, 2013Observed: 3.36 ft at 2:45PM May 20, 2013Observed: 3.35 ft at 3:00PM May 20, 2013Observed: 3.36 ft at 3:15PM May 20, 2013Observed: 3.35 ft at 3:30PM May 20, 2013Observed: 3.35 ft at 3:45PM May 20, 2013Observed: 3.35 ft at 4:00PM May 20, 2013Observed: 3.35 ft at 4:15PM May 20, 2013Observed: 3.35 ft at 4:30PM May 20, 2013Observed: 3.35 ft at 4:45PM May 20, 2013Observed: 3.35 ft at 5:00PM May 20, 2013Observed: 3.35 ft at 5:15PM May 20, 2013Observed: 3.34 ft at 5:30PM May 20, 2013Observed: 3.34 ft at 5:45PM May 20, 2013Observed: 3.34 ft at 6:00PM May 20, 2013Observed: 3.35 ft at 6:15PM May 20, 2013Observed: 3.34 ft at 6:30PM May 20, 2013Observed: 3.34 ft at 6:45PM May 20, 2013Observed: 3.34 ft at 7:00PM May 20, 2013Observed: 3.33 ft at 7:15PM May 20, 2013Observed: 3.33 ft at 7:30PM May 20, 2013Observed: 3.33 ft at 7:45PM May 20, 2013Observed: 3.33 ft at 8:00PM May 20, 2013Observed: 3.33 ft at 8:15PM May 20, 2013Observed: 3.33 ft at 8:30PM May 20, 2013Observed: 3.33 ft at 8:45PM May 20, 2013Observed: 3.33 ft at 9:00PM May 20, 2013Observed: 3.33 ft at 9:15PM May 20, 2013Observed: 3.33 ft at 9:30PM May 20, 2013Observed: 3.33 ft at 9:45PM May 20, 2013Observed: 3.33 ft at 10:00PM May 20, 2013Observed: 3.34 ft at 10:15PM May 20, 2013Observed: 3.37 ft at 10:30PM May 20, 2013Observed: 3.41 ft at 10:45PM May 20, 2013Observed: 3.45 ft at 11:00PM May 20, 2013Observed: 3.47 ft at 11:15PM May 20, 2013Observed: 3.47 ft at 11:30PM May 20, 2013Observed: 3.45 ft at 11:45PM May 20, 2013Observed: 3.44 ft at 12:00AM May 21, 2013Observed: 3.43 ft at 12:15AM May 21, 2013Observed: 3.38 ft at 2:30AM May 21, 2013Observed: 3.37 ft at 2:45AM May 21, 2013Observed: 3.37 ft at 3:00AM May 21, 2013Observed: 3.38 ft at 3:15AM May 21, 2013Observed: 3.39 ft at 3:30AM May 21, 2013Observed: 3.38 ft at 3:45AM May 21, 2013Observed: 3.39 ft at 4:00AM May 21, 2013Observed: 3.39 ft at 4:15AM May 21, 2013Observed: 3.38 ft at 4:30AM May 21, 2013Observed: 3.38 ft at 4:45AM May 21, 2013Observed: 3.38 ft at 5:00AM May 21, 2013Observed: 3.37 ft at 5:15AM May 21, 2013Observed: 3.37 ft at 5:30AM May 21, 2013Observed: 3.37 ft at 5:45AM May 21, 2013Observed: 3.36 ft at 6:00AM May 21, 2013Observed: 3.36 ft at 6:15AM May 21, 2013Observed: 3.36 ft at 6:30AM May 21, 2013Observed: 3.36 ft at 6:45AM May 21, 2013Observed: 3.36 ft at 7:00AM May 21, 2013Observed: 3.37 ft at 7:15AM May 21, 2013GNVV2(plotting HGIRG) Graph Created (8:03AM May 21, 2013)ObservedLatest observed value: 3.37 ft at 7:15 AM EDT 21-May-2013. Flood Stage is 9 ft
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About this graph
Tabular Data
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Roanoke River at Glenvar. Only observed stages are available for this point.
Return to Area Map
Upstream Gauge - at Lafayette Upstream Gauge Downstream Gauge Downstream Gauge - at Walnut Avenue
Flood Categories (in feet)
Major Flood Stage:16
Moderate Flood Stage:14
Flood Stage:9
Action Stage:7.5

Historical Crests
(1) 17.73 ft on 04/21/1992
(2) 17.61 ft on 02/22/2003
(3) 17.43 ft on 09/28/2004
(4) 15.85 ft on 01/31/2013
(5) 15.59 ft on 09/06/1996
(6) 14.81 ft on 01/04/1992
(7) 13.76 ft on 01/19/1996
(8) 13.46 ft on 03/24/1993
(9) 13.30 ft on 06/28/2006
(10) 12.99 ft on 11/12/2009
Show More Historical Crests

Low Water Records
Currently none available.
Legend
Gauge Location
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
17 WATER BEGINS OVERFLOWING THE LEFT BANK IN THE VICINITY OF THE GAGE.
Photos
(1) US Center channel - Dir. S: 3/27/2008; Stage - 2.21'
(2) DS Center channel & LB - Dir. N: 3/27/2008; Stage - 2.21'
(3) DS RB - Dir. NE: 3/27/2008; Stage - 2.21'
About This Location Collapse

Latitude: 37.267778° N, Longitude: 80.139444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 1100.00 1109.00 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available USGS

Other Data Sources:
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Blacksburg Weather Forecast Office
1750 Forecast Drive
Blacksburg, VA 24060
(540) 552-0084
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Page last modified: 13-Mar-2013 6:34 PM 		Disclaimer
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