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Hydrograph River at a Glance Download
Roanoke River at Roa Sewer Plant Stage (ft)Observed: 4.7 ft at 1:14AM Jul 11, 2019Observed: 4.7 ft at 2:17PM Jul 11, 2019Observed: 4.7 ft at 4:02PM Jul 11, 2019Observed: 4.7 ft at 7:15PM Jul 11, 2019Observed: 4.7 ft at 1:14AM Jul 12, 2019Observed: 4.7 ft at 1:14AM Jul 13, 2019Observed: 4.5 ft at 1:14PM Jul 13, 2019Observed: 4.3 ft at 8:17AM Jul 14, 2019Observed: 4.3 ft at 11:35AM Jul 14, 2019Observed: 4.9 ft at 7:14PM Jul 14, 2019Observed: 4.8 ft at 1:14AM Jul 15, 2019Observed: 4.4 ft at 1:14PM Jul 15, 2019Observed: 4.7 ft at 3:05PM Jul 15, 2019Observed: 4.7 ft at 5:29PM Jul 15, 2019Observed: 4.8 ft at 10:20PM Jul 15, 2019Observed: 4.7 ft at 1:15AM Jul 16, 2019Observed: 4.8 ft at 7:15AM Jul 16, 2019Observed: 4.8 ft at 10:23AM Jul 16, 2019Observed: 4.8 ft at 7:15PM Jul 16, 2019Highest Observation: 5.1 ft at 8:41PM Jul 16, 2019Observed: 4.8 ft at 11:05PM Jul 16, 2019Observed: 4.7 ft at 1:15AM Jul 17, 2019Observed: 4.6 ft at 7:15AM Jul 17, 2019Observed: 4.3 ft at 9:02AM Jul 17, 2019Observed: 4.3 ft at 1:15PM Jul 17, 2019RSTV2(plotting HGIRR) Graph Created (12:34AM Jul 18, 2019)ObservedLatest observed value: 4.3 ft at 1:15 PM EDT 17-Jul-2019. Flood Stage is 13.5 ft
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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 Roanoke River at Roa Sewer Plant. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 16
Flood Stage: 13.5
Action Stage: 11
Low Stage (in feet): 0

Historic Crests
(1) 19.30 ft on 07/04/2013
(2) 18.30 ft on 09/30/2015
(3) 17.20 ft on 06/27/2006

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.30 ft on 09/30/2015
(2) 19.30 ft on 07/04/2013
(3) 17.20 ft on 06/27/2006

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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

Zoom Level:16
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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.
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11 THE RIVER RECEDES WITHIN ITS BANKS IN THE VICINITY OF THE GAGE.
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Latitude: 37.266944° N, Longitude: 79.910833° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 13.5 ft  
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available  
NGVD 29 Not Available Not Available  
MSL Not Available Not Available  
Other Not Available Not Available  
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Blacksburg, VA 24060
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Page last modified: 4-Mar-2019 11:30 PM
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