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Hydrograph River at a Glance Download
North Fork Roanoke River at Ironto Stage (ft)Flow (kcfs)Observed: 0.7 ft at 1:00AM Mar 25, 2020Observed: 1.5 ft at 2:30AM Mar 25, 2020Observed: 1.9 ft at 2:45AM Mar 25, 2020Observed: 2.2 ft at 3:06AM Mar 25, 2020Observed: 3 ft at 4:03AM Mar 25, 2020Observed: 3.6 ft at 4:51AM Mar 25, 2020Highest Observation: 3.9 ft at 7:01AM Mar 25, 2020Observed: 3.5 ft at 10:30AM Mar 25, 2020Observed: 3.2 ft at 12:24PM Mar 25, 2020Observed: 3 ft at 1:00PM Mar 25, 2020Observed: 2.7 ft at 2:45PM Mar 25, 2020Observed: 2.4 ft at 3:54PM Mar 25, 2020Observed: 2 ft at 4:57PM Mar 25, 2020Observed: 1.9 ft at 7:01PM Mar 25, 2020Observed: 1.6 ft at 9:45PM Mar 25, 2020Observed: 1.6 ft at 1:00AM Mar 26, 2020Observed: 1.6 ft at 7:01AM Mar 26, 2020Observed: 1 ft at 1:01PM Mar 26, 2020Observed: 0.3 ft at 7:01PM Mar 26, 2020Observed: 0.2 ft at 1:00AM Mar 27, 2020Observed: 0.5 ft at 2:03AM Mar 27, 2020Observed: 0.6 ft at 7:00AM Mar 27, 2020Observed: 0.6 ft at 7:02AM Mar 27, 2020Observed: 0.3 ft at 11:42AM Mar 27, 2020Observed: 0.1 ft at 1:00PM Mar 27, 2020Observed: 0 ft at 1:00AM Mar 28, 2020Observed: 0 ft at 7:00AM Mar 28, 2020Observed: 0 ft at 1:00PM Mar 28, 2020Observed: 0 ft at 7:00PM Mar 28, 2020Observed: 0 ft at 1:00AM Mar 29, 2020Observed: 0 ft at 7:00AM Mar 29, 2020Observed: 0 ft at 1:00PM Mar 29, 2020Observed: 0 ft at 7:00PM Mar 29, 2020Observed: 0 ft at 7:00AM Mar 30, 2020Observed: 1.3 ft at 10:03AM Mar 30, 2020Observed: 0 ft at 7:00PM Mar 30, 2020Observed: 1.3 ft at 10:03PM Mar 30, 2020Observed: 0 ft at 1:00AM Mar 31, 2020Observed: 0 ft at 7:00AM Mar 31, 2020Observed: 0 ft at 1:02PM Mar 31, 2020Observed: 0 ft at 7:01PM Mar 31, 2020Observed: 0.3 ft at 8:44PM Mar 31, 2020VA Department of Emergency ManagementIROV2(plotting HGIRR) Graph Created (10:49PM Mar 31, 2020)ObservedLatest observed value: 0.3 ft at 8:44 PM EDT 31-Mar-2020. Flood Stage is 9 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 North Fork Roanoke River at Ironto. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 13
Moderate Flood Stage: 11
Flood Stage: 9
Action Stage: 7
Low Stage (in feet): 0

Historic Crests
(1) 17.50 ft on 04/22/1992
(2) 12.70 ft on 02/22/2003
(3) 11.10 ft on 10/11/2018
(4) 10.90 ft on 01/31/2013
(5) 10.70 ft on 06/27/2006
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.10 ft on 10/11/2018
(2) 7.50 ft on 01/23/2017
(3) 6.60 ft on 02/03/2016
(4) 6.70 ft on 11/19/2015
(5) 10.10 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.

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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
11 WATER UP TO 2 FEET DEEP FLOODS NORTH FORK ROAD NORTH OF GAGE.
9 WATER BEGINS TO AFFECT NORTH FORK ROAD UPSTREAM FROM GAGE.
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Latitude: 37.236111° N, Longitude: 80.238611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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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