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Hydrograph River at a Glance Download
Big Nance Creek (AL) at Courtland Stage (ft)Flow (kcfs)Observed: 4.67 ft at 5:15AM Jan 31, 2023Observed: 4.66 ft at 5:30AM Jan 31, 2023Observed: 4.65 ft at 5:45AM Jan 31, 2023Observed: 4.64 ft at 6:00AM Jan 31, 2023Observed: 4.64 ft at 6:15AM Jan 31, 2023Observed: 4.63 ft at 6:30AM Jan 31, 2023Observed: 4.63 ft at 6:45AM Jan 31, 2023Observed: 4.62 ft at 7:00AM Jan 31, 2023Observed: 4.61 ft at 7:15AM Jan 31, 2023Observed: 4.61 ft at 7:30AM Jan 31, 2023Observed: 4.61 ft at 7:45AM Jan 31, 2023Observed: 4.61 ft at 8:00AM Jan 31, 2023Observed: 4.6 ft at 8:15AM Jan 31, 2023Observed: 4.6 ft at 8:30AM Jan 31, 2023Observed: 4.6 ft at 8:45AM Jan 31, 2023Observed: 4.59 ft at 9:00AM Jan 31, 2023Observed: 4.6 ft at 9:15AM Jan 31, 2023Observed: 4.6 ft at 9:30AM Jan 31, 2023Observed: 4.6 ft at 9:45AM Jan 31, 2023Observed: 4.59 ft at 10:00AM Jan 31, 2023Observed: 4.6 ft at 10:15AM Jan 31, 2023Observed: 4.59 ft at 10:30AM Jan 31, 2023Observed: 4.6 ft at 10:45AM Jan 31, 2023Observed: 4.6 ft at 11:00AM Jan 31, 2023Observed: 4.6 ft at 11:15AM Jan 31, 2023Observed: 4.62 ft at 11:30AM Jan 31, 2023Observed: 4.61 ft at 11:45AM Jan 31, 2023Observed: 4.62 ft at 12:00PM Jan 31, 2023Observed: 4.62 ft at 12:15PM Jan 31, 2023Observed: 4.63 ft at 12:30PM Jan 31, 2023Observed: 4.64 ft at 12:45PM Jan 31, 2023Observed: 4.65 ft at 1:00PM Jan 31, 2023Observed: 4.66 ft at 1:15PM Jan 31, 2023Observed: 4.66 ft at 1:30PM Jan 31, 2023Observed: 4.68 ft at 1:45PM Jan 31, 2023Observed: 4.69 ft at 2:00PM Jan 31, 2023Observed: 4.7 ft at 2:15PM Jan 31, 2023Observed: 4.71 ft at 2:30PM Jan 31, 2023Observed: 4.71 ft at 2:45PM Jan 31, 2023Observed: 4.73 ft at 3:00PM Jan 31, 2023Observed: 4.75 ft at 3:15PM Jan 31, 2023Observed: 4.76 ft at 3:30PM Jan 31, 2023Observed: 4.77 ft at 3:45PM Jan 31, 2023Observed: 4.79 ft at 4:00PM Jan 31, 2023Observed: 4.8 ft at 4:15PM Jan 31, 2023Observed: 4.83 ft at 4:30PM Jan 31, 2023Observed: 4.85 ft at 4:45PM Jan 31, 2023Observed: 4.88 ft at 5:00PM Jan 31, 2023Observed: 4.92 ft at 5:15PM Jan 31, 2023Observed: 4.96 ft at 5:30PM Jan 31, 2023Observed: 5.02 ft at 5:45PM Jan 31, 2023Observed: 5.07 ft at 6:00PM Jan 31, 2023Observed: 5.14 ft at 6:15PM Jan 31, 2023Observed: 5.22 ft at 6:30PM Jan 31, 2023Observed: 5.31 ft at 6:45PM Jan 31, 2023Observed: 5.37 ft at 7:00PM Jan 31, 2023Observed: 5.48 ft at 7:15PM Jan 31, 2023Observed: 5.56 ft at 7:30PM Jan 31, 2023Observed: 5.66 ft at 7:45PM Jan 31, 2023Observed: 5.76 ft at 8:00PM Jan 31, 2023Observed: 5.86 ft at 8:15PM Jan 31, 2023Observed: 5.96 ft at 8:30PM Jan 31, 2023Observed: 6.06 ft at 8:45PM Jan 31, 2023Observed: 6.16 ft at 9:00PM Jan 31, 2023Observed: 6.25 ft at 9:15PM Jan 31, 2023Observed: 6.36 ft at 9:30PM Jan 31, 2023Observed: 6.44 ft at 9:45PM Jan 31, 2023Observed: 6.53 ft at 10:00PM Jan 31, 2023Observed: 6.61 ft at 10:15PM Jan 31, 2023Observed: 6.7 ft at 10:30PM Jan 31, 2023Observed: 6.79 ft at 10:45PM Jan 31, 2023Observed: 6.86 ft at 11:00PM Jan 31, 2023Observed: 6.95 ft at 11:15PM Jan 31, 2023Observed: 7.02 ft at 11:30PM Jan 31, 2023Observed: 7.07 ft at 11:45PM Jan 31, 2023Observed: 7.15 ft at 12:00AM Feb 01, 2023Observed: 7.2 ft at 12:15AM Feb 01, 2023Observed: 7.25 ft at 12:30AM Feb 01, 2023Observed: 7.3 ft at 12:45AM Feb 01, 2023Observed: 7.34 ft at 1:00AM Feb 01, 2023Observed: 7.37 ft at 1:15AM Feb 01, 2023Observed: 7.42 ft at 1:30AM Feb 01, 2023Observed: 7.45 ft at 1:45AM Feb 01, 2023Observed: 7.48 ft at 2:00AM Feb 01, 2023Observed: 7.51 ft at 2:15AM Feb 01, 2023Observed: 7.54 ft at 2:30AM Feb 01, 2023Observed: 7.59 ft at 2:45AM Feb 01, 2023Observed: 7.58 ft at 3:00AM Feb 01, 2023Observed: 7.6 ft at 3:15AM Feb 01, 2023Observed: 7.64 ft at 3:30AM Feb 01, 2023Observed: 7.63 ft at 3:45AM Feb 01, 2023Observed: 7.64 ft at 4:00AM Feb 01, 2023Observed: 7.65 ft at 4:15AM Feb 01, 2023Observed: 7.67 ft at 4:30AM Feb 01, 2023Observed: 7.68 ft at 4:45AM Feb 01, 2023Observed: 7.66 ft at 5:00AM Feb 01, 2023Observed: 7.68 ft at 5:15AM Feb 01, 2023Observed: 7.68 ft at 5:30AM Feb 01, 2023Observed: 7.68 ft at 5:45AM Feb 01, 2023Observed: 7.67 ft at 6:00AM Feb 01, 2023Observed: 7.67 ft at 6:15AM Feb 01, 2023Observed: 7.67 ft at 6:30AM Feb 01, 2023Observed: 7.66 ft at 6:45AM Feb 01, 2023Observed: 7.65 ft at 7:00AM Feb 01, 2023Observed: 7.67 ft at 7:15AM Feb 01, 2023Observed: 7.64 ft at 7:30AM Feb 01, 2023Observed: 7.62 ft at 7:45AM Feb 01, 2023Observed: 7.63 ft at 8:00AM Feb 01, 2023Observed: 7.63 ft at 8:15AM Feb 01, 2023Observed: 7.61 ft at 8:30AM Feb 01, 2023Observed: 7.59 ft at 8:45AM Feb 01, 2023Observed: 7.59 ft at 9:00AM Feb 01, 2023Observed: 7.58 ft at 9:15AM Feb 01, 2023Observed: 7.58 ft at 9:30AM Feb 01, 2023Observed: 7.57 ft at 9:45AM Feb 01, 2023Observed: 7.55 ft at 10:00AM Feb 01, 2023Observed: 7.52 ft at 10:15AM Feb 01, 2023Observed: 7.53 ft at 10:30AM Feb 01, 2023Observed: 7.49 ft at 10:45AM Feb 01, 2023Observed: 6.93 ft at 6:45PM Feb 01, 2023Observed: 6.83 ft at 7:00PM Feb 01, 2023Observed: 6.81 ft at 7:15PM Feb 01, 2023Observed: 6.78 ft at 7:30PM Feb 01, 2023Observed: 6.75 ft at 7:45PM Feb 01, 2023Observed: 6.72 ft at 8:00PM Feb 01, 2023Observed: 6.69 ft at 8:15PM Feb 01, 2023Observed: 6.65 ft at 8:30PM Feb 01, 2023Observed: 6.64 ft at 8:45PM Feb 01, 2023Observed: 6.61 ft at 9:00PM Feb 01, 2023Observed: 6.58 ft at 9:15PM Feb 01, 2023Observed: 6.55 ft at 9:30PM Feb 01, 2023Observed: 6.53 ft at 9:45PM Feb 01, 2023Observed: 6.49 ft at 10:00PM Feb 01, 2023Observed: 6.47 ft at 10:15PM Feb 01, 2023Observed: 6.43 ft at 10:30PM Feb 01, 2023Observed: 6.41 ft at 10:45PM Feb 01, 2023Observed: 9.21 ft at 3:00AM Feb 03, 2023Observed: 9.26 ft at 3:15AM Feb 03, 2023Observed: 9.53 ft at 5:30AM Feb 03, 2023Observed: 9.55 ft at 5:45AM Feb 03, 2023Observed: 9.58 ft at 6:00AM Feb 03, 2023Observed: 9.59 ft at 6:15AM Feb 03, 2023Highest Observation: 10.65 ft at 6:30PM Feb 03, 2023Observed: 10.61 ft at 6:45PM Feb 03, 2023Highest Observation: 10.65 ft at 8:30PM Feb 03, 2023Observed: 10.62 ft at 8:45PM Feb 03, 2023Observed: 10.6 ft at 9:00PM Feb 03, 2023Observed: 10.63 ft at 9:15PM Feb 03, 2023Observed: 10.6 ft at 9:30PM Feb 03, 2023Observed: 10.3 ft at 12:30AM Feb 04, 2023Observed: 10.29 ft at 12:45AM Feb 04, 2023Observed: 10.23 ft at 1:00AM Feb 04, 2023Observed: 10.19 ft at 1:15AM Feb 04, 2023Observed: 10.14 ft at 1:30AM Feb 04, 2023Observed: 10.11 ft at 1:45AM Feb 04, 2023Observed: 5.84 ft at 8:15PM Feb 04, 2023Observed: 5.84 ft at 8:30PM Feb 04, 2023Observed: 5.8 ft at 8:45PM Feb 04, 2023Observed: 5.78 ft at 9:00PM Feb 04, 2023Observed: 5.75 ft at 9:15PM Feb 04, 2023Observed: 5.71 ft at 9:30PM Feb 04, 2023Observed: 5.7 ft at 9:45PM Feb 04, 2023Observed: 5.7 ft at 10:00PM Feb 04, 2023Observed: 5.68 ft at 10:15PM Feb 04, 2023Observed: 5.63 ft at 10:30PM Feb 04, 2023Observed: 5.61 ft at 10:45PM Feb 04, 2023Observed: 5.6 ft at 11:00PM Feb 04, 2023Observed: 5.58 ft at 11:15PM Feb 04, 2023Observed: 5.57 ft at 11:30PM Feb 04, 2023Observed: 5.55 ft at 11:45PM Feb 04, 2023Observed: 5.52 ft at 12:00AM Feb 05, 2023Observed: 5.53 ft at 12:15AM Feb 05, 2023Observed: 5.49 ft at 12:30AM Feb 05, 2023Observed: 5.48 ft at 12:45AM Feb 05, 2023Observed: 5.37 ft at 1:00AM Feb 05, 2023Observed: 5.45 ft at 1:15AM Feb 05, 2023Observed: 5.42 ft at 1:30AM Feb 05, 2023Observed: 5.42 ft at 1:45AM Feb 05, 2023Observed: 5.41 ft at 2:00AM Feb 05, 2023Observed: 5.39 ft at 2:15AM Feb 05, 2023Observed: 5.39 ft at 2:30AM Feb 05, 2023Observed: 5.37 ft at 2:45AM Feb 05, 2023Observed: 5.35 ft at 3:00AM Feb 05, 2023Observed: 5.34 ft at 3:15AM Feb 05, 2023Observed: 5.33 ft at 3:30AM Feb 05, 2023Observed: 5.32 ft at 3:45AM Feb 05, 2023Observed: 5.31 ft at 4:00AM Feb 05, 2023Observed: 5.31 ft at 4:15AM Feb 05, 2023Observed: 5.29 ft at 4:30AM Feb 05, 2023Highest Forecast: 6.4 ft 6:00AM Feb 05, 2023Forecast: 5.8 ft 12:00PM Feb 05, 2023Forecast: 5.2 ft 6:00PM Feb 05, 2023Forecast: 4.9 ft 12:00AM Feb 06, 2023Forecast: 4.7 ft 6:00AM Feb 06, 2023Forecast: 4.5 ft 12:00PM Feb 06, 2023Forecast: 4.4 ft 6:00PM Feb 06, 2023Forecast: 4.3 ft 12:00AM Feb 07, 2023Forecast: 4.2 ft 6:00AM Feb 07, 2023Forecast: 4.1 ft 12:00PM Feb 07, 2023Forecast: 4.1 ft 6:00PM Feb 07, 2023Forecast: 4 ft 12:00AM Feb 08, 2023Forecast: 4 ft 6:00AM Feb 08, 2023Forecast: 3.9 ft 12:00PM Feb 08, 2023Forecast: 3.9 ft 6:00PM Feb 08, 2023Forecast: 3.8 ft 12:00AM Feb 09, 2023Forecast: 3.7 ft 6:00AM Feb 09, 2023USGS--Water Resources of the United StatesBNAA1(plotting HGIRG) Graph Created (5:07AM Feb 5, 2023)ObservedForecast (issued 6:59AM Feb 4)Latest observed value: 5.29 ft at 4:30 AM CST 5-Feb-2023. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Big Nance Creek (AL) at Courtland are issued routinely year-round.
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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) 16.72 ft on 03/24/2022
(2) 14.36 ft on 03/10/2022
(3) 14.45 ft on 02/24/2022
(4) 14.45 ft on 01/17/2022
(5) 14.76 ft on 10/07/2021
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:
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Hydrologic Resources Additional Resources
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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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