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Hydrograph River at a Glance Download
Swannanoa River at Warren Wilson Stage (ft)WRNN7(plotting HGIRR) Graph Created (12:21AM Oct 27, 2021)Flood Stage is 11 ft
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Tabular Data (UTC)
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Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Swannanoa River at Warren Wilson. Only observed stages are available for this point.
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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Biltmore
Flood Categories (in feet)
Major Flood Stage: 17.5
Moderate Flood Stage: 15.5
Flood Stage: 11
Action Stage: 9.5
Low Stage (in feet): -9999

Historic Crests
(1) 8.94 ft on 01/30/2013
(2) 6.90 ft on 01/17/2013
(3) 5.40 ft on 08/26/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.94 ft on 01/30/2013
(2) 6.90 ft on 01/17/2013
(3) 4.29 ft on 03/09/2011
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:15
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
17.5 Major Flood Stage. Significant flooding of Warren Wilson College agricultural property and Warren Wilson Rd. near the Swannanoa River bridge is ongoing.
15.5 Moderate Flood Stage. Significant portions of the Warren Wilson College agricultural property are flooded, including the adjacent horse barns. Warren Wilson Rd. is flooded near the Swannanoa River bridge, but floodwaters remain several feet below the bottom of the bridge.
11 Minor Flood Stage. The Swannanoa River enters the agricultural area of Warren Wilson College and approaches the adjacent horse barns.
9.5 Action Stage. Swannanoa River exceeds its banks and begins to enter surrounding farmland.
About This Location Collapse

Latitude: 35.607500° N, Longitude: 82.443889° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 11 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
Greenville-Spartanburg Weather Forecast Office
1549 GSP Drive
Greer, SC 29651
(864) 848-3859
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