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Hydrograph River at a Glance Download
Johns Creek at Route 311 IFLOWS Stage (ft)Observed: 4.4 ft at 8:44AM Aug 07, 2021Observed: 4.4 ft at 8:44PM Aug 07, 2021Observed: 4.4 ft at 2:45AM Aug 08, 2021Observed: 4.4 ft at 2:44PM Aug 08, 2021Observed: 4.4 ft at 8:44PM Aug 08, 2021Observed: 4.4 ft at 2:45AM Aug 09, 2021Highest Observation: 4.5 ft at 2:44PM Aug 09, 2021Observed: 4.4 ft at 8:44PM Aug 09, 2021Observed: 4.4 ft at 2:44AM Aug 10, 2021Observed: 4.2 ft at 8:44AM Aug 10, 2021Highest Observation: 4.5 ft at 1:14PM Aug 10, 2021Highest Observation: 4.5 ft at 2:44PM Aug 10, 2021Observed: 4.4 ft at 8:44PM Aug 10, 2021Observed: 4.4 ft at 2:44AM Aug 11, 2021Observed: 4.2 ft at 8:44AM Aug 11, 2021Observed: 4.4 ft at 2:44PM Aug 11, 2021Observed: 4.4 ft at 8:44PM Aug 11, 2021Observed: 4.4 ft at 2:44AM Aug 12, 2021Observed: 4.3 ft at 8:44AM Aug 12, 2021Highest Observation: 4.5 ft at 2:44PM Aug 12, 2021Observed: 4.4 ft at 8:44PM Aug 12, 2021Observed: 4.4 ft at 2:44AM Aug 13, 2021Observed: 4.3 ft at 8:44AM Aug 13, 2021Observed: 4.4 ft at 2:44PM Aug 13, 2021Highest Observation: 4.5 ft at 8:44PM Aug 13, 2021VA Department of Emergency ManagementJCIV2(plotting HGIRR) Graph Created (1:19AM Aug 14, 2021)ObservedLatest observed value: 4.5 ft at 8:44 PM EDT 13-Aug-2021. Flood Stage is 12.5 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 Johns Creek at Route 311 IFLOWS. Only observed stages are available for this point.
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Upstream Gauge - at Upper Johns Creek Upstream Gauge Downstream Gauge Downstream Gauge - at New Castle
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 12.5
Action Stage: 11
Low Stage (in feet): 0

Historic Crests
(1) 12.80 ft on 10/12/2018
(2) 12.40 ft on 04/13/2020
(3) 11.90 ft on 02/07/2020
(4) 11.50 ft on 01/25/2010
(5) 10.70 ft on 09/28/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.40 ft on 04/13/2020
(2) 11.90 ft on 02/07/2020
(3) 12.80 ft on 10/12/2018
(4) 10.70 ft on 09/28/2018
(5) 8.80 ft on 04/25/2017
Show More Recent Crests

(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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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.
About This Location Collapse

Latitude: 37.507222° N, Longitude: 80.183333° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 12.5 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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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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