National Weather Service Advanced Hydrologic Prediction Service

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Weather Forecast Office Greenville-Spartanburg, SC

Lower Mississippi River Forecast Center

Hydrograph

River at a Glance

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Tabular Data (UTC)

Tabular Data (EDT)

Datum: NGVD29

Metadata

NOTE: Forecasts are not available for the French Broad River at Rosman. Only observed stages are available for this point.

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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

Zoom Level:14

	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

If you notice any errors in the below information, please contact our Webmaster
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

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Hydrologic Resources

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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

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Greer, SC 29651
(864) 848-3859
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Page last modified: 2-Nov-2020 7:30 PM

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