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: NGVD29 Metadata

NOTE: Forecasts are not available for the French Broad River at Rosman. 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: 14 Moderate Flood Stage: 13 Flood Stage: 9 Action Stage: 7 Low Stage (in feet): -9999 Historic Crests (1) 14.95 ft on 10/04/1964 (2) 14.12 ft on 08/17/1994 (3) 14.11 ft on 08/17/2021 (4) 13.90 ft on 07/01/1916 (5) 13.38 ft on 08/16/2021 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 14.11 ft on 08/17/2021 (2) 13.38 ft on 08/16/2021 (3) 11.17 ft on 02/03/2016 (4) 9.42 ft on 02/03/2016 (5) 11.66 ft on 12/29/2015 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records (1) 1.00 ft on 12/10/1935 (2) 1.51 ft on 01/03/1940 (3) 1.55 ft on 09/28/1954 (4) 1.55 ft on 10/05/1954 (5) 1.82 ft on 09/08/2007 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:14 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 FLOODING CONTINUES. ADDITIONAL AREAS IN ROSMAN...SUCH AS THE TURNPIKE AND LYONS MOUNTAIN RAIN WILL BEING TO FLOOD. THE SEWAGE TREATMENT PLANT AND POWER SUBSTATION WILL BE SURROUNDED BY WATER.
14	MAJOR FLOODING BEGINS. THE RIVER WILL FLOOD SEVERAL MORE BUSINESSES...HOMES AND CHURCHES IN THE TOWN OF ROSMAN.
13.5	MODERATE FLOODING CONTINUES. ADDITIONAL HOMES ON HIGHWAY 178...AND THE POST OFFICE ALONG MAIN STREET WILL BEGIN TO FLOOD.
13	MODERATE FLOODING BEGINS. THE RIVER WILL CONTINUE TO EXPAND AND FLOOD MORE HOMES AND BUSINESSES ALONG CHESTNUT AND MAIN STREET...ALONG WITH THE HIGHWAY 178 BRIDGE. FLOODING AT THIS LEVEL WILL BE SIMILAR TO FLOODING THAT OCCURRED ON SEPTEMBER 8 AND 17...2004.
11	Minor Flooding continues. The French Broad River is approaching homes along Depot St. in Rosman likely requiring evacuations. Additionally, floodwaters will inundate US 178 adjacent to the gauge site and require closure.
10	HANNAH FORD ROAD WILL BE FLOODED WHICH IS LOCATED BETWEEN ROSMAN AND BREVARD. A 10 FT RIVER LEVEL READING AT ROSMAN WILL RESULT IN A CREST DOWNSTREAM AT BLANTYRE OF AROUND 19 FT.
9	Flood Stage. Minor flooding of roads including E. Main St. and Depot St. may be occurring.
8.5	THE RIVER WILL APPROACH HOMES ON EAST MAIN AND DEPOT STREETS DOWNSTREAM OF THE GAGE SITE.
8	EXPECT A BROAD OVERFLOW OF THE RIVER INTO LOW LYING FARMFIELDS AND LOW SPOTS ON ROADS ONE MILE UP AND DOWNSTREAM OF THE RIVER GAGE.
7.6	CREST HERE OF 7.6 FT RESULTED IN CREST AT BLAN7 15.46 ..11 HRS LATER.
7	HANNAH FORD...ISLAND FORD AND GREEN ROADS WILL BEGIN TO FLOOD. THESE ARE HALFWAY BTW ROSMAN AND BLANTYRE.
5.5	THIS RIVER READING WILL LIKELY RESULT IN A RISE TO AROUND 16 FT AT THE BLANTYRE GAGE SITE.
4.5	A READING OF 4.5 FT ALONG WITH WIDESPREAD RAIN WILL CAUSE THE RIVER TO RISE TO AROUND 15 FT AT THE BLANTYRE GAGE SITE.
Photos (1) gage site at Rosman NC (2) looking upstream on French Broad River (3) looking downstream on the French Broad River

About This Location

Latitude: 35.142222° N, Longitude: 82.824167° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 9 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 2173.83 ft 2181.83 ft Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Rosman

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

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