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Hydrograph River at a Glance Download
Johns Creek at Route 311 IFLOWS Stage (ft)Observed: 4.7 ft at 7:42AM Nov 30, 2021Highest Observation: 4.8 ft at 1:42PM Nov 30, 2021Highest Observation: 4.8 ft at 7:42PM Nov 30, 2021Observed: 4.7 ft at 1:42AM Dec 01, 2021Observed: 4.7 ft at 7:43AM Dec 01, 2021Highest Observation: 4.8 ft at 1:42PM Dec 01, 2021Observed: 4.7 ft at 7:42PM Dec 01, 2021Observed: 4.7 ft at 1:42AM Dec 02, 2021Observed: 4.7 ft at 7:42AM Dec 02, 2021Highest Observation: 4.8 ft at 1:42PM Dec 02, 2021Highest Observation: 4.8 ft at 7:41PM Dec 02, 2021Observed: 4.7 ft at 1:42AM Dec 03, 2021Observed: 4.7 ft at 7:42AM Dec 03, 2021Observed: 4.7 ft at 1:42PM Dec 03, 2021Observed: 4.6 ft at 7:42PM Dec 03, 2021Observed: 4.6 ft at 1:42AM Dec 04, 2021Observed: 4.7 ft at 7:42AM Dec 04, 2021Observed: 4.7 ft at 1:42PM Dec 04, 2021Observed: 4.6 ft at 7:42PM Dec 04, 2021Observed: 4.7 ft at 1:46AM Dec 05, 2021Observed: 4.7 ft at 7:42AM Dec 05, 2021Observed: 4.7 ft at 1:42PM Dec 05, 2021Observed: 4.7 ft at 7:42PM Dec 05, 2021Observed: 4.7 ft at 1:42AM Dec 06, 2021Observed: 4.7 ft at 7:42AM Dec 06, 2021Observed: 4.7 ft at 1:42PM Dec 06, 2021Observed: 4.7 ft at 7:43PM Dec 06, 2021VA Department of Emergency ManagementJCIV2(plotting HGIRR) Graph Created (1:49AM Dec 7, 2021)ObservedLatest observed value: 4.7 ft at 7:43 PM EST 6-Dec-2021. Flood Stage is 12.5 ft
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Tabular Data (UTC)
Tabular Data (EST)
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.

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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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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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Page last modified: 2-Nov-2020 7:30 PM
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