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Hydrograph River at a Glance Download
Big Nance Creek (AL) at Courtland Stage (ft)Flow (kcfs)Highest Observation: 1.53 ft at 3:30AM Jul 31, 2020Highest Observation: 1.53 ft at 4:00AM Jul 31, 2020Highest Observation: 1.53 ft at 4:30AM Jul 31, 2020Observed: 1.52 ft at 5:00AM Jul 31, 2020Observed: 1.52 ft at 5:30AM Jul 31, 2020Observed: 1.52 ft at 6:00AM Jul 31, 2020Observed: 1.52 ft at 6:30AM Jul 31, 2020Observed: 1.52 ft at 7:00AM Jul 31, 2020Observed: 1.52 ft at 7:30AM Jul 31, 2020Observed: 1.52 ft at 8:00AM Jul 31, 2020Observed: 1.52 ft at 8:30AM Jul 31, 2020Observed: 1.52 ft at 9:00AM Jul 31, 2020Observed: 1.52 ft at 9:30AM Jul 31, 2020Observed: 1.52 ft at 10:00AM Jul 31, 2020Observed: 1.52 ft at 10:30AM Jul 31, 2020Observed: 1.52 ft at 11:00AM Jul 31, 2020Observed: 1.52 ft at 11:30AM Jul 31, 2020Observed: 1.52 ft at 12:00PM Jul 31, 2020Observed: 1.52 ft at 12:30PM Jul 31, 2020Observed: 1.52 ft at 1:00PM Jul 31, 2020Observed: 1.52 ft at 1:30PM Jul 31, 2020Observed: 1.52 ft at 2:00PM Jul 31, 2020Observed: 1.52 ft at 2:30PM Jul 31, 2020Observed: 1.52 ft at 3:00PM Jul 31, 2020Observed: 1.52 ft at 3:30PM Jul 31, 2020Observed: 1.52 ft at 4:00PM Jul 31, 2020Observed: 1.51 ft at 4:30PM Jul 31, 2020Observed: 1.51 ft at 5:00PM Jul 31, 2020Observed: 1.51 ft at 5:30PM Jul 31, 2020Observed: 1.51 ft at 6:00PM Jul 31, 2020Observed: 1.51 ft at 6:30PM Jul 31, 2020Observed: 1.51 ft at 7:00PM Jul 31, 2020Observed: 1.51 ft at 7:30PM Jul 31, 2020Observed: 1.51 ft at 8:00PM Jul 31, 2020Observed: 1.51 ft at 8:30PM Jul 31, 2020Observed: 1.51 ft at 9:00PM Jul 31, 2020Observed: 1.51 ft at 9:30PM Jul 31, 2020Observed: 1.51 ft at 10:00PM Jul 31, 2020Observed: 1.51 ft at 10:30PM Jul 31, 2020Observed: 1.5 ft at 11:00PM Jul 31, 2020Observed: 1.5 ft at 11:30PM Jul 31, 2020Observed: 1.5 ft at 12:00AM Aug 01, 2020Observed: 1.5 ft at 12:30AM Aug 01, 2020Observed: 1.5 ft at 1:00AM Aug 01, 2020Observed: 1.5 ft at 1:30AM Aug 01, 2020Observed: 1.5 ft at 2:00AM Aug 01, 2020Observed: 1.5 ft at 2:30AM Aug 01, 2020Observed: 1.5 ft at 3:00AM Aug 01, 2020Observed: 1.5 ft at 3:30AM Aug 01, 2020Observed: 1.5 ft at 4:00AM Aug 01, 2020Observed: 1.5 ft at 4:30AM Aug 01, 2020Observed: 1.5 ft at 5:00AM Aug 01, 2020Observed: 1.5 ft at 5:30AM Aug 01, 2020Observed: 1.5 ft at 6:00AM Aug 01, 2020Observed: 1.5 ft at 6:30AM Aug 01, 2020Observed: 1.5 ft at 7:00AM Aug 01, 2020Observed: 1.5 ft at 7:30AM Aug 01, 2020Observed: 1.5 ft at 8:00AM Aug 01, 2020Observed: 1.5 ft at 8:30AM Aug 01, 2020Observed: 1.5 ft at 9:00AM Aug 01, 2020Observed: 1.5 ft at 9:30AM Aug 01, 2020Observed: 1.5 ft at 10:00AM Aug 01, 2020Observed: 1.49 ft at 10:30AM Aug 01, 2020Observed: 1.5 ft at 11:00AM Aug 01, 2020Observed: 1.49 ft at 11:30AM Aug 01, 2020Observed: 1.49 ft at 12:00PM Aug 01, 2020Observed: 1.49 ft at 12:30PM Aug 01, 2020Observed: 1.49 ft at 1:00PM Aug 01, 2020Observed: 1.49 ft at 1:30PM Aug 01, 2020Observed: 1.49 ft at 2:00PM Aug 01, 2020Observed: 1.49 ft at 2:30PM Aug 01, 2020Observed: 1.49 ft at 3:00PM Aug 01, 2020Observed: 1.48 ft at 3:30PM Aug 01, 2020Observed: 1.49 ft at 4:00PM Aug 01, 2020Observed: 1.48 ft at 4:30PM Aug 01, 2020Observed: 1.48 ft at 5:00PM Aug 01, 2020Observed: 1.48 ft at 5:30PM Aug 01, 2020Observed: 1.48 ft at 6:00PM Aug 01, 2020Observed: 1.48 ft at 6:30PM Aug 01, 2020Observed: 1.48 ft at 7:00PM Aug 01, 2020Observed: 1.48 ft at 7:30PM Aug 01, 2020Observed: 1.48 ft at 8:00PM Aug 01, 2020Observed: 1.47 ft at 8:30PM Aug 01, 2020Observed: 1.47 ft at 9:00PM Aug 01, 2020Observed: 1.47 ft at 9:30PM Aug 01, 2020Observed: 1.47 ft at 10:00PM Aug 01, 2020Observed: 1.47 ft at 10:30PM Aug 01, 2020Observed: 1.47 ft at 11:00PM Aug 01, 2020Observed: 1.47 ft at 11:30PM Aug 01, 2020Observed: 1.46 ft at 12:00AM Aug 02, 2020Observed: 1.46 ft at 12:30AM Aug 02, 2020Observed: 1.46 ft at 1:00AM Aug 02, 2020Observed: 1.46 ft at 1:30AM Aug 02, 2020Observed: 1.46 ft at 2:00AM Aug 02, 2020Observed: 1.46 ft at 2:30AM Aug 02, 2020Observed: 1.46 ft at 3:00AM Aug 02, 2020Observed: 1.46 ft at 3:30AM Aug 02, 2020Observed: 1.46 ft at 4:00AM Aug 02, 2020Observed: 1.46 ft at 4:30AM Aug 02, 2020Observed: 1.46 ft at 5:00AM Aug 02, 2020Observed: 1.45 ft at 5:30AM Aug 02, 2020Observed: 1.45 ft at 6:00AM Aug 02, 2020Observed: 1.45 ft at 6:30AM Aug 02, 2020Observed: 1.45 ft at 7:00AM Aug 02, 2020Observed: 1.45 ft at 7:30AM Aug 02, 2020Observed: 1.45 ft at 8:00AM Aug 02, 2020Observed: 1.45 ft at 8:30AM Aug 02, 2020Observed: 1.45 ft at 9:00AM Aug 02, 2020Observed: 1.45 ft at 9:30AM Aug 02, 2020Observed: 1.45 ft at 10:00AM Aug 02, 2020Observed: 1.45 ft at 10:30AM Aug 02, 2020Observed: 1.45 ft at 11:00AM Aug 02, 2020Observed: 1.45 ft at 11:30AM Aug 02, 2020Observed: 1.45 ft at 12:00PM Aug 02, 2020Observed: 1.45 ft at 12:30PM Aug 02, 2020Observed: 1.45 ft at 1:00PM Aug 02, 2020Observed: 1.45 ft at 1:30PM Aug 02, 2020Observed: 1.45 ft at 2:00PM Aug 02, 2020Observed: 1.45 ft at 2:30PM Aug 02, 2020Observed: 1.44 ft at 3:00PM Aug 02, 2020Observed: 1.44 ft at 3:30PM Aug 02, 2020Observed: 1.44 ft at 4:00PM Aug 02, 2020Observed: 1.44 ft at 4:30PM Aug 02, 2020Observed: 1.44 ft at 5:00PM Aug 02, 2020Observed: 1.44 ft at 5:30PM Aug 02, 2020Observed: 1.44 ft at 6:00PM Aug 02, 2020Observed: 1.44 ft at 6:30PM Aug 02, 2020Observed: 1.44 ft at 7:00PM Aug 02, 2020Observed: 1.44 ft at 7:30PM Aug 02, 2020Observed: 1.43 ft at 8:00PM Aug 02, 2020Observed: 1.43 ft at 8:30PM Aug 02, 2020Observed: 1.43 ft at 9:00PM Aug 02, 2020Observed: 1.43 ft at 9:30PM Aug 02, 2020Observed: 1.43 ft at 10:00PM Aug 02, 2020Observed: 1.43 ft at 10:30PM Aug 02, 2020Observed: 1.43 ft at 11:00PM Aug 02, 2020Observed: 1.43 ft at 11:30PM Aug 02, 2020Observed: 1.42 ft at 12:00AM Aug 03, 2020Observed: 1.42 ft at 12:30AM Aug 03, 2020Observed: 1.42 ft at 1:00AM Aug 03, 2020Observed: 1.42 ft at 1:30AM Aug 03, 2020Observed: 1.42 ft at 2:00AM Aug 03, 2020Observed: 1.42 ft at 2:30AM Aug 03, 2020Observed: 1.42 ft at 3:00AM Aug 03, 2020Observed: 1.42 ft at 3:30AM Aug 03, 2020Observed: 1.42 ft at 4:00AM Aug 03, 2020Observed: 1.42 ft at 4:30AM Aug 03, 2020Observed: 1.42 ft at 5:00AM Aug 03, 2020Observed: 1.42 ft at 5:30AM Aug 03, 2020Observed: 1.41 ft at 6:00AM Aug 03, 2020Observed: 1.42 ft at 6:30AM Aug 03, 2020Observed: 1.41 ft at 7:00AM Aug 03, 2020Observed: 1.41 ft at 7:30AM Aug 03, 2020Observed: 1.41 ft at 8:00AM Aug 03, 2020Observed: 1.41 ft at 8:30AM Aug 03, 2020Observed: 1.41 ft at 9:00AM Aug 03, 2020Observed: 1.42 ft at 9:30AM Aug 03, 2020Observed: 1.42 ft at 10:00AM Aug 03, 2020Observed: 1.41 ft at 10:30AM Aug 03, 2020Observed: 1.41 ft at 11:00AM Aug 03, 2020Observed: 1.41 ft at 11:30AM Aug 03, 2020Observed: 1.41 ft at 12:00PM Aug 03, 2020Observed: 1.41 ft at 12:30PM Aug 03, 2020Observed: 1.41 ft at 1:00PM Aug 03, 2020Observed: 1.41 ft at 1:30PM Aug 03, 2020Observed: 1.41 ft at 2:00PM Aug 03, 2020Observed: 1.41 ft at 2:30PM Aug 03, 2020Observed: 1.41 ft at 3:00PM Aug 03, 2020Observed: 1.4 ft at 3:30PM Aug 03, 2020Observed: 1.4 ft at 4:00PM Aug 03, 2020Observed: 1.4 ft at 4:30PM Aug 03, 2020Observed: 1.4 ft at 5:00PM Aug 03, 2020Observed: 1.4 ft at 5:30PM Aug 03, 2020Observed: 1.4 ft at 6:00PM Aug 03, 2020Observed: 1.4 ft at 6:30PM Aug 03, 2020Observed: 1.4 ft at 7:00PM Aug 03, 2020Observed: 1.4 ft at 7:30PM Aug 03, 2020Observed: 1.4 ft at 8:00PM Aug 03, 2020Observed: 1.41 ft at 8:30PM Aug 03, 2020Observed: 1.41 ft at 9:00PM Aug 03, 2020Observed: 1.41 ft at 9:30PM Aug 03, 2020Observed: 1.41 ft at 10:00PM Aug 03, 2020Observed: 1.41 ft at 10:30PM Aug 03, 2020Observed: 1.41 ft at 11:00PM Aug 03, 2020Observed: 1.4 ft at 11:30PM Aug 03, 2020Observed: 1.4 ft at 12:00AM Aug 04, 2020Observed: 1.4 ft at 12:30AM Aug 04, 2020Observed: 1.4 ft at 1:00AM Aug 04, 2020Observed: 1.4 ft at 1:30AM Aug 04, 2020Observed: 1.4 ft at 2:00AM Aug 04, 2020Observed: 1.4 ft at 2:30AM Aug 04, 2020Observed: 1.4 ft at 3:00AM Aug 04, 2020Observed: 1.4 ft at 3:30AM Aug 04, 2020Observed: 1.39 ft at 4:00AM Aug 04, 2020Observed: 1.39 ft at 4:30AM Aug 04, 2020Observed: 1.39 ft at 5:00AM Aug 04, 2020Observed: 1.39 ft at 5:30AM Aug 04, 2020Observed: 1.39 ft at 6:00AM Aug 04, 2020Observed: 1.39 ft at 6:30AM Aug 04, 2020Observed: 1.39 ft at 7:00AM Aug 04, 2020Observed: 1.39 ft at 7:30AM Aug 04, 2020Observed: 1.39 ft at 8:00AM Aug 04, 2020Observed: 1.39 ft at 8:30AM Aug 04, 2020Observed: 1.39 ft at 9:00AM Aug 04, 2020Observed: 1.39 ft at 9:30AM Aug 04, 2020Observed: 1.39 ft at 10:00AM Aug 04, 2020Observed: 1.38 ft at 10:30AM Aug 04, 2020Observed: 1.38 ft at 11:00AM Aug 04, 2020Observed: 1.38 ft at 11:30AM Aug 04, 2020Observed: 1.39 ft at 12:00PM Aug 04, 2020Observed: 1.38 ft at 12:30PM Aug 04, 2020Observed: 1.38 ft at 1:00PM Aug 04, 2020Observed: 1.38 ft at 1:30PM Aug 04, 2020Observed: 1.38 ft at 2:00PM Aug 04, 2020Observed: 1.38 ft at 2:30PM Aug 04, 2020Observed: 1.38 ft at 3:00PM Aug 04, 2020Observed: 1.38 ft at 3:30PM Aug 04, 2020Observed: 1.38 ft at 4:00PM Aug 04, 2020Observed: 1.38 ft at 4:30PM Aug 04, 2020Observed: 1.38 ft at 5:00PM Aug 04, 2020Observed: 1.38 ft at 5:30PM Aug 04, 2020Observed: 1.38 ft at 6:00PM Aug 04, 2020Observed: 1.38 ft at 6:30PM Aug 04, 2020Observed: 1.38 ft at 7:00PM Aug 04, 2020Observed: 1.38 ft at 7:30PM Aug 04, 2020Observed: 1.37 ft at 8:00PM Aug 04, 2020Observed: 1.37 ft at 8:30PM Aug 04, 2020Observed: 1.37 ft at 9:00PM Aug 04, 2020Observed: 1.37 ft at 9:30PM Aug 04, 2020Observed: 1.37 ft at 10:00PM Aug 04, 2020Observed: 1.37 ft at 10:30PM Aug 04, 2020Observed: 1.37 ft at 11:00PM Aug 04, 2020Observed: 1.37 ft at 11:30PM Aug 04, 2020Observed: 1.37 ft at 12:00AM Aug 05, 2020Observed: 1.37 ft at 12:30AM Aug 05, 2020Observed: 1.37 ft at 1:00AM Aug 05, 2020Observed: 1.37 ft at 1:30AM Aug 05, 2020Observed: 1.37 ft at 2:00AM Aug 05, 2020Observed: 1.37 ft at 2:30AM Aug 05, 2020Highest Forecast: 1.4 ft 7:00AM Aug 05, 2020Highest Forecast: 1.4 ft 1:00PM Aug 05, 2020Highest Forecast: 1.4 ft 7:00PM Aug 05, 2020Highest Forecast: 1.4 ft 1:00AM Aug 06, 2020Highest Forecast: 1.4 ft 7:00AM Aug 06, 2020Highest Forecast: 1.4 ft 1:00PM Aug 06, 2020Highest Forecast: 1.4 ft 7:00PM Aug 06, 2020Highest Forecast: 1.4 ft 1:00AM Aug 07, 2020Highest Forecast: 1.4 ft 7:00AM Aug 07, 2020Highest Forecast: 1.4 ft 1:00PM Aug 07, 2020Forecast: 1.3 ft 7:00PM Aug 07, 2020Forecast: 1.3 ft 1:00AM Aug 08, 2020Forecast: 1.3 ft 7:00AM Aug 08, 2020Forecast: 1.3 ft 1:00PM Aug 08, 2020Forecast: 1.3 ft 7:00PM Aug 08, 2020Forecast: 1.3 ft 1:00AM Aug 09, 2020Forecast: 1.3 ft 7:00AM Aug 09, 2020USGS--Water Resources of the United StatesBNAA1(plotting HGIRG) Graph Created (3:06AM Aug 5, 2020)ObservedForecast (issued 8:29AM Aug 4)Latest observed value: 1.37 ft at 2:30 AM CDT 5-Aug-2020. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Big Nance Creek (AL) at Courtland are issued routinely year-round.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 16
Flood Stage: 14
Action Stage: 12
Low Stage (in feet): 0

Historic Crests
(1) 24.97 ft on 03/16/1973
(2) 24.21 ft on 12/23/1990
(3) 22.77 ft on 04/29/2011
(4) 22.60 ft on 01/07/1950
(5) 22.45 ft on 02/01/1951
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.21 ft on 04/14/2020
(2) 17.39 ft on 03/25/2020
(3) 19.40 ft on 02/12/2020
(4) 15.63 ft on 02/07/2020
(5) 14.73 ft on 01/04/2020
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:16
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
29 Water overtops the wire weight gage on Old Highway 20. Water is over a foot deep atop the bridge.
28 Water overtops the bridge on Old Highway 20.
27.5 Water reaches the bottom of the gage house.
24.97 Record Stage. Observed March 16, 1973.
20 Water is approaching homes south of downtown Courtland...with several streets impassible. Water reaches the underside of the bridge at Old Highway 20 in Courtland.
16 Water begins to cover roads south of downtown Courtland.
14 Lowland flooding begins on the left bank of the river.
12 The river overflows on County Road 150 about three quarters of a mile upstream of the gage site...south of Courtland.
Photos
(1) Gage House
(2) Wire Weight Gage
(3) View of Deep Channel
About This Location Collapse

Latitude: 34.670000° N, Longitude: 87.317222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 14 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 537.6 ft 551.6 ft  

Current/Historical Observations:
Resources Collapse
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
Huntsville Weather Forecast Office
320 Sparkman Drive
Huntsville, AL 35805
(256) 890-8503
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