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Hydrograph River at a Glance Download
Johns Creek at Route 311 IFLOWS Stage (ft)Observed: 6.1 ft at 8:48AM Jan 22, 2020Observed: 5.8 ft at 9:27AM Jan 22, 2020Observed: 6.2 ft at 9:39AM Jan 22, 2020Observed: 6.4 ft at 11:51AM Jan 22, 2020Observed: 6 ft at 11:54AM Jan 22, 2020Observed: 6 ft at 3:24PM Jan 22, 2020Observed: 5.9 ft at 4:06PM Jan 22, 2020Observed: 5.8 ft at 10:05PM Jan 22, 2020Observed: 5.9 ft at 4:06AM Jan 23, 2020Observed: 6.4 ft at 3:21PM Jan 23, 2020Observed: 5.8 ft at 3:27PM Jan 23, 2020Observed: 5.9 ft at 4:06PM Jan 23, 2020Observed: 5.8 ft at 10:06PM Jan 23, 2020Observed: 5.9 ft at 4:06AM Jan 24, 2020Observed: 5.8 ft at 10:06AM Jan 24, 2020Observed: 5.9 ft at 4:06PM Jan 24, 2020Observed: 6.2 ft at 8:14PM Jan 24, 2020Observed: 6.6 ft at 8:51PM Jan 24, 2020Observed: 6.9 ft at 9:38PM Jan 24, 2020Observed: 7.1 ft at 10:06PM Jan 24, 2020Observed: 7.4 ft at 10:54PM Jan 24, 2020Observed: 8.3 ft at 3:24AM Jan 25, 2020Highest Observation: 8.5 ft at 4:06AM Jan 25, 2020Observed: 8.2 ft at 8:42AM Jan 25, 2020Observed: 8 ft at 10:06AM Jan 25, 2020Observed: 7.7 ft at 12:36PM Jan 25, 2020Observed: 7.5 ft at 4:07PM Jan 25, 2020Observed: 7.3 ft at 10:06PM Jan 25, 2020Observed: 7.2 ft at 4:05AM Jan 26, 2020Observed: 7.1 ft at 10:06AM Jan 26, 2020Observed: 7 ft at 4:06PM Jan 26, 2020Observed: 6.9 ft at 10:06PM Jan 26, 2020Observed: 6.9 ft at 4:06AM Jan 27, 2020Observed: 6.8 ft at 10:06AM Jan 27, 2020Observed: 6.7 ft at 10:06PM Jan 27, 2020Observed: 6.7 ft at 4:05AM Jan 28, 2020Observed: 6.5 ft at 10:06PM Jan 28, 2020Observed: 6.5 ft at 4:06AM Jan 29, 2020VA Department of Emergency ManagementJCIV2(plotting HGIRR) Graph Created (7:04AM Jan 29, 2020)ObservedLatest observed value: 6.5 ft at 4:06 AM EST 29-Jan-2020. Flood Stage is 12.5 ft
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About this graph
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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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) 11.50 ft on 01/25/2010
(3) 10.70 ft on 09/28/2018
(4) 10.40 ft on 03/13/2010
(5) 10.30 ft on 04/24/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.80 ft on 10/12/2018
(2) 10.70 ft on 09/28/2018
(3) 8.80 ft on 04/25/2017
(4) 10.30 ft on 04/24/2017
(5) 7.60 ft on 09/29/2015
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.
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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: 1-Mar-2019 12:35 AM
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