Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE

Weather Forecast Office Greenville-Spartanburg, SC

Lower Mississippi River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (EST) Datum: Not Available Metadata

NOTE: Forecasts are not available for the Swannanoa River at Black Mountain Park. Only observed stages are available for this point.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 15 Moderate Flood Stage: 12 Flood Stage: 10 Action Stage: 9 Low Stage (in feet): 0 Historic Crests (1) 9.06 ft on 05/06/2013 (2) 7.16 ft on 01/30/2013 (3) 5.64 ft on 08/26/2008 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 9.06 ft on 05/06/2013 (2) 7.16 ft on 01/30/2013 (3) 4.82 ft on 12/01/2010 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:15 Legend FEMA Layer Gauge Location 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

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15	Major Flood Stage. The Swannanoa River is approaching I-40 and has inundated The Oaks Trail steel foot bridge. Significant flooding of the nearby Ingles shopping center parking lot is likely.
12	Moderate Flood Stage. The Swannanoa River is approaching The Oaks Trail steel foot bridge and the nearby Ingles shopping center parking lot. Significant flooding of Veterans Park, River Trail Loop, Veterans Park Dr., and The Oaks Trail is ongoing.
10	Minor Flood Stage. Veterans Park flooding continues. Sections of River Trail Loop and The Oaks Trail are flooding. Veterans Park Dr. may be starting to flood.
9	Action Stage. The Swannanoa River is exceeding its banks and flooding adjacent low-lying areas including parts of Veterans Park.

About This Location

Latitude: 35.607500° N, Longitude: 82.334444° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 10 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

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Southeast River Forecast Center SERFC Ensemble River Forecasts Lower Mississippi River Forecast Center LMRFC Ensemble River Forecasts Hourly Precipitation Snow Information

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities