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Hydrograph River at a Glance Download
S Yadkin River below Foster Rd. 6 SW Mocksville Stage (ft)Flow (kcfs)Highest Observation: 2.73 ft at 8:45AM Sep 23, 2018Observed: 2.72 ft at 9:00AM Sep 23, 2018Observed: 2.72 ft at 9:15AM Sep 23, 2018Observed: 2.72 ft at 9:30AM Sep 23, 2018Observed: 2.72 ft at 9:45AM Sep 23, 2018Observed: 2.72 ft at 10:00AM Sep 23, 2018Observed: 2.72 ft at 10:15AM Sep 23, 2018Observed: 2.72 ft at 10:30AM Sep 23, 2018Observed: 2.72 ft at 10:45AM Sep 23, 2018Observed: 2.72 ft at 11:00AM Sep 23, 2018Observed: 2.72 ft at 11:15AM Sep 23, 2018Observed: 2.71 ft at 11:30AM Sep 23, 2018Observed: 2.71 ft at 11:45AM Sep 23, 2018Observed: 2.71 ft at 12:00PM Sep 23, 2018Observed: 2.71 ft at 12:15PM Sep 23, 2018Observed: 2.71 ft at 12:30PM Sep 23, 2018Observed: 2.71 ft at 12:45PM Sep 23, 2018Observed: 2.71 ft at 1:00PM Sep 23, 2018Observed: 2.71 ft at 1:15PM Sep 23, 2018Observed: 2.71 ft at 1:30PM Sep 23, 2018Observed: 2.71 ft at 1:45PM Sep 23, 2018Observed: 2.7 ft at 2:00PM Sep 23, 2018Observed: 2.7 ft at 2:15PM Sep 23, 2018Observed: 2.71 ft at 2:30PM Sep 23, 2018Observed: 2.7 ft at 2:45PM Sep 23, 2018Observed: 2.7 ft at 3:00PM Sep 23, 2018Observed: 2.7 ft at 3:15PM Sep 23, 2018Observed: 2.7 ft at 3:30PM Sep 23, 2018Observed: 2.7 ft at 3:45PM Sep 23, 2018Observed: 2.7 ft at 4:00PM Sep 23, 2018Observed: 2.7 ft at 4:15PM Sep 23, 2018Observed: 2.7 ft at 4:30PM Sep 23, 2018Observed: 2.69 ft at 4:45PM Sep 23, 2018Observed: 2.69 ft at 5:00PM Sep 23, 2018Observed: 2.69 ft at 5:15PM Sep 23, 2018Observed: 2.69 ft at 5:30PM Sep 23, 2018Observed: 2.69 ft at 5:45PM Sep 23, 2018Observed: 2.69 ft at 6:00PM Sep 23, 2018Observed: 2.69 ft at 6:15PM Sep 23, 2018Observed: 2.69 ft at 6:30PM Sep 23, 2018Observed: 2.68 ft at 6:45PM Sep 23, 2018Observed: 2.69 ft at 7:00PM Sep 23, 2018Observed: 2.69 ft at 7:15PM Sep 23, 2018Observed: 2.69 ft at 7:30PM Sep 23, 2018Observed: 2.68 ft at 7:45PM Sep 23, 2018Observed: 2.68 ft at 8:00PM Sep 23, 2018Observed: 2.68 ft at 8:15PM Sep 23, 2018Observed: 2.68 ft at 8:30PM Sep 23, 2018Observed: 2.68 ft at 8:45PM Sep 23, 2018Observed: 2.68 ft at 9:00PM Sep 23, 2018Observed: 2.68 ft at 9:15PM Sep 23, 2018Observed: 2.69 ft at 9:30PM Sep 23, 2018Observed: 2.68 ft at 9:45PM Sep 23, 2018Observed: 2.68 ft at 10:00PM Sep 23, 2018Observed: 2.67 ft at 10:15PM Sep 23, 2018Observed: 2.68 ft at 10:30PM Sep 23, 2018Observed: 2.67 ft at 10:45PM Sep 23, 2018Observed: 2.68 ft at 11:00PM Sep 23, 2018Observed: 2.68 ft at 11:15PM Sep 23, 2018Observed: 2.68 ft at 11:30PM Sep 23, 2018Observed: 2.67 ft at 11:45PM Sep 23, 2018Observed: 2.67 ft at 12:00AM Sep 24, 2018Observed: 2.67 ft at 12:15AM Sep 24, 2018Observed: 2.67 ft at 12:30AM Sep 24, 2018Observed: 2.67 ft at 12:45AM Sep 24, 2018Observed: 2.67 ft at 1:00AM Sep 24, 2018Observed: 2.67 ft at 1:15AM Sep 24, 2018Observed: 2.67 ft at 1:30AM Sep 24, 2018Observed: 2.66 ft at 1:45AM Sep 24, 2018Observed: 2.66 ft at 2:00AM Sep 24, 2018Observed: 2.66 ft at 2:15AM Sep 24, 2018Observed: 2.66 ft at 2:30AM Sep 24, 2018Observed: 2.66 ft at 2:45AM Sep 24, 2018Observed: 2.66 ft at 3:00AM Sep 24, 2018Observed: 2.65 ft at 3:15AM Sep 24, 2018Observed: 2.66 ft at 3:30AM Sep 24, 2018Observed: 2.66 ft at 3:45AM Sep 24, 2018Observed: 2.65 ft at 4:00AM Sep 24, 2018Observed: 2.65 ft at 4:15AM Sep 24, 2018Observed: 2.65 ft at 4:30AM Sep 24, 2018Observed: 2.65 ft at 4:45AM Sep 24, 2018Observed: 2.65 ft at 5:00AM Sep 24, 2018Observed: 2.65 ft at 5:15AM Sep 24, 2018Observed: 2.65 ft at 5:30AM Sep 24, 2018Observed: 2.66 ft at 5:45AM Sep 24, 2018Observed: 2.64 ft at 6:00AM Sep 24, 2018Observed: 2.65 ft at 6:15AM Sep 24, 2018Observed: 2.65 ft at 6:30AM Sep 24, 2018Observed: 2.65 ft at 6:45AM Sep 24, 2018Observed: 2.65 ft at 7:00AM Sep 24, 2018Observed: 2.65 ft at 7:15AM Sep 24, 2018Observed: 2.64 ft at 7:30AM Sep 24, 2018Observed: 2.65 ft at 7:45AM Sep 24, 2018Observed: 2.65 ft at 8:00AM Sep 24, 2018Observed: 2.65 ft at 8:15AM Sep 24, 2018Observed: 2.65 ft at 8:30AM Sep 24, 2018Observed: 2.64 ft at 8:45AM Sep 24, 2018Observed: 2.64 ft at 9:00AM Sep 24, 2018Observed: 2.64 ft at 9:15AM Sep 24, 2018Observed: 2.64 ft at 9:30AM Sep 24, 2018Observed: 2.64 ft at 9:45AM Sep 24, 2018Observed: 2.64 ft at 10:00AM Sep 24, 2018Observed: 2.64 ft at 10:15AM Sep 24, 2018Observed: 2.64 ft at 10:30AM Sep 24, 2018Observed: 2.64 ft at 10:45AM Sep 24, 2018Observed: 2.64 ft at 11:00AM Sep 24, 2018Observed: 2.64 ft at 11:15AM Sep 24, 2018Observed: 2.64 ft at 11:30AM Sep 24, 2018Observed: 2.64 ft at 11:45AM Sep 24, 2018Observed: 2.64 ft at 12:00PM Sep 24, 2018Observed: 2.64 ft at 12:15PM Sep 24, 2018Observed: 2.64 ft at 12:30PM Sep 24, 2018Observed: 2.64 ft at 12:45PM Sep 24, 2018Observed: 2.64 ft at 1:00PM Sep 24, 2018Observed: 2.63 ft at 1:15PM Sep 24, 2018Observed: 2.63 ft at 1:30PM Sep 24, 2018Observed: 2.63 ft at 1:45PM Sep 24, 2018Observed: 2.64 ft at 2:00PM Sep 24, 2018Observed: 2.64 ft at 2:15PM Sep 24, 2018Observed: 2.63 ft at 2:30PM Sep 24, 2018Observed: 2.63 ft at 2:45PM Sep 24, 2018Observed: 2.63 ft at 3:00PM Sep 24, 2018Observed: 2.63 ft at 3:15PM Sep 24, 2018Observed: 2.63 ft at 3:30PM Sep 24, 2018Observed: 2.63 ft at 3:45PM Sep 24, 2018Observed: 2.63 ft at 4:00PM Sep 24, 2018Observed: 2.63 ft at 4:15PM Sep 24, 2018Observed: 2.62 ft at 4:30PM Sep 24, 2018Observed: 2.63 ft at 4:45PM Sep 24, 2018Observed: 2.63 ft at 5:00PM Sep 24, 2018Observed: 2.63 ft at 5:15PM Sep 24, 2018Observed: 2.63 ft at 5:30PM Sep 24, 2018Observed: 2.63 ft at 5:45PM Sep 24, 2018Observed: 2.63 ft at 6:00PM Sep 24, 2018Observed: 2.63 ft at 6:15PM Sep 24, 2018Observed: 2.63 ft at 6:30PM Sep 24, 2018Observed: 2.62 ft at 6:45PM Sep 24, 2018Observed: 2.63 ft at 7:00PM Sep 24, 2018Observed: 2.63 ft at 7:15PM Sep 24, 2018Observed: 2.63 ft at 7:30PM Sep 24, 2018Observed: 2.62 ft at 7:45PM Sep 24, 2018Observed: 2.62 ft at 8:00PM Sep 24, 2018Observed: 2.63 ft at 8:15PM Sep 24, 2018Observed: 2.62 ft at 8:30PM Sep 24, 2018Observed: 2.62 ft at 8:45PM Sep 24, 2018Observed: 2.63 ft at 9:00PM Sep 24, 2018Observed: 2.62 ft at 9:15PM Sep 24, 2018Observed: 2.62 ft at 9:30PM Sep 24, 2018Observed: 2.62 ft at 9:45PM Sep 24, 2018Observed: 2.62 ft at 10:00PM Sep 24, 2018Observed: 2.62 ft at 10:15PM Sep 24, 2018Observed: 2.62 ft at 10:30PM Sep 24, 2018Observed: 2.62 ft at 10:45PM Sep 24, 2018Observed: 2.62 ft at 11:00PM Sep 24, 2018Observed: 2.62 ft at 11:15PM Sep 24, 2018Observed: 2.62 ft at 11:30PM Sep 24, 2018Observed: 2.62 ft at 11:45PM Sep 24, 2018Observed: 2.62 ft at 12:00AM Sep 25, 2018Observed: 2.62 ft at 12:15AM Sep 25, 2018Observed: 2.61 ft at 12:30AM Sep 25, 2018Observed: 2.62 ft at 12:45AM Sep 25, 2018Observed: 2.62 ft at 1:00AM Sep 25, 2018Observed: 2.62 ft at 1:15AM Sep 25, 2018Observed: 2.62 ft at 1:30AM Sep 25, 2018Observed: 2.61 ft at 1:45AM Sep 25, 2018Observed: 2.61 ft at 2:00AM Sep 25, 2018Observed: 2.61 ft at 2:15AM Sep 25, 2018Observed: 2.62 ft at 2:30AM Sep 25, 2018Observed: 2.61 ft at 2:45AM Sep 25, 2018Observed: 2.61 ft at 3:00AM Sep 25, 2018Observed: 2.62 ft at 3:15AM Sep 25, 2018Observed: 2.61 ft at 3:30AM Sep 25, 2018Observed: 2.61 ft at 3:45AM Sep 25, 2018Observed: 2.61 ft at 4:00AM Sep 25, 2018Observed: 2.61 ft at 4:15AM Sep 25, 2018Observed: 2.61 ft at 4:30AM Sep 25, 2018Observed: 2.61 ft at 4:45AM Sep 25, 2018Observed: 2.61 ft at 5:00AM Sep 25, 2018Observed: 2.61 ft at 5:15AM Sep 25, 2018Observed: 2.61 ft at 5:30AM Sep 25, 2018Observed: 2.61 ft at 5:45AM Sep 25, 2018Observed: 2.61 ft at 6:00AM Sep 25, 2018Observed: 2.61 ft at 6:15AM Sep 25, 2018Observed: 2.61 ft at 6:30AM Sep 25, 2018Observed: 2.62 ft at 6:45AM Sep 25, 2018Observed: 2.61 ft at 7:00AM Sep 25, 2018Observed: 2.61 ft at 7:15AM Sep 25, 2018Observed: 2.61 ft at 7:30AM Sep 25, 2018Observed: 2.61 ft at 7:45AM Sep 25, 2018Observed: 2.61 ft at 8:00AM Sep 25, 2018USGS--Water Resources of the United StatesMCKN7(plotting HGIRG) Graph Created (8:35AM Sep 25, 2018)ObservedLatest observed value: 2.61 ft at 8:00 AM EDT 25-Sep-2018. Flood Stage is 19 ft
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About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Reliability of the Forecast: Forecast data shown here are guidance values only. Please refer to your local NWS office.

NOTE: Forecasts for the S Yadkin River below Foster Rd. 6 SW Mocksville are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Gauge - at Yadkin College
Flood Categories (in feet)
Major Flood Stage: 28
Moderate Flood Stage: 24
Flood Stage: 19
Action Stage: 18
Low Stage (in feet): 0

Historic Crests
(1) 22.60 ft on 10/03/1929
(2) 20.28 ft on 03/21/2003
(3) 18.88 ft on 03/02/1987
(4) 18.59 ft on 09/23/1979
(5) 18.23 ft on 10/17/1964
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.88 ft on 01/19/2013
(2) 13.59 ft on 05/16/2012
(3) 10.29 ft on 10/28/2010
(4) 18.04 ft on 01/26/2010
(5) 12.47 ft on 11/12/2009
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.63 ft on 08/22/1988
(2) 0.76 ft on 08/15/2002
(3) 0.83 ft on 08/13/2002
(4) 1.31 ft on 08/21/2007

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
28 Major Flood Stage.
24 Homes along the river near Cooleemee may be flooded.
21 Residential yards between the river and Potneck Road may begin to flood.
20.2 Minor flooding is expected. Flooding at this level will be similar to flooding that occurred on march 21, 2003.
20 Minor Flooding is ongoing. Floodwater levels will be similar to floodwater levels that occurred on March 21, 2003.
19 Minor Flood Stage. Further downstream on the Yadkin River, Hollywood Drive near Gubb Ferry Road north of East Spencer will likely begin to flood due to backwater on Town Creek. RV parks in the upper reachs of High Rock Lake will likely be flooded.
18 Legacy Action Stage. Yards of homes downstream of gage near Cooleemee on South River Church Road may begin to flood. Areas off of Erwin Temple Church Road may be flooded.
10 Future Action Stage. The river will overflow the banks and farmland along the river will begin to flood.
Photos
(1) gage site near mocksville on South Yadkin river
(2) looking upstream on South Yadkin river
(3) downstream view on South Yadkin river
About This Location Collapse

Latitude: 35.845000° N, Longitude: 80.658900° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 19 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 29 663.62 ft 682.62 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:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics.

Click individual graphics to enlarge.

Expermental Ensemble Quantitative Precipitation Forecast (QPF) Hydrographs for this site are now available at: http://www.erh.noaa.gov/mmefs/serfc/SREF/html/MCKN7.html
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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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Page last modified: 21-Dec-2016 10:38 PM
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