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FloodSmart
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Hydrograph River at a Glance Download
North Fork Roanoke River at Ironto Stage (ft)Flow (kcfs)Highest Observation: 0 ft at 5:30AM Dec 03, 2019Highest Observation: 0 ft at 11:29AM Dec 03, 2019Highest Observation: 0 ft at 5:29PM Dec 03, 2019Highest Observation: 0 ft at 5:30AM Dec 04, 2019Highest Observation: 0 ft at 11:30AM Dec 04, 2019Highest Observation: 0 ft at 5:30PM Dec 04, 2019Highest Observation: 0 ft at 11:30PM Dec 04, 2019Highest Observation: 0 ft at 5:30AM Dec 05, 2019Highest Observation: 0 ft at 11:30AM Dec 05, 2019Highest Observation: 0 ft at 5:30PM Dec 05, 2019Highest Observation: 0 ft at 11:30PM Dec 05, 2019Highest Observation: 0 ft at 5:30AM Dec 06, 2019Highest Observation: 0 ft at 11:29AM Dec 06, 2019Highest Observation: 0 ft at 5:30PM Dec 06, 2019Highest Observation: 0 ft at 11:30PM Dec 06, 2019Highest Observation: 0 ft at 5:29AM Dec 07, 2019Highest Observation: 0 ft at 11:30AM Dec 07, 2019Highest Observation: 0 ft at 5:29PM Dec 07, 2019Highest Observation: 0 ft at 5:30AM Dec 08, 2019Highest Observation: 0 ft at 11:29AM Dec 08, 2019Highest Observation: 0 ft at 5:30PM Dec 08, 2019Highest Observation: 0 ft at 11:30AM Dec 09, 2019Highest Observation: 0 ft at 5:30PM Dec 09, 2019VA Department of Emergency ManagementIROV2(plotting HGIRR) Graph Created (2:49AM Dec 10, 2019)ObservedLatest observed value: 0 ft at 5:30 PM EST 9-Dec-2019. Flood Stage is 9 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 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) 12.70 ft on 02/22/2003
(2) 11.10 ft on 10/11/2018
(3) 10.90 ft on 01/31/2013
(4) 10.70 ft on 06/27/2006
(5) 10.10 ft on 09/29/2015
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.
Zoom Level:16
KML Image
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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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.
About This Location Collapse

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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