Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Bookmark and Share

  
 

Over 200 USGS real-time streamgages used to support NWS river forecasts and warnings are at risk of being discontinued. Click here for more information from the USGS...
Weather Forecast Office Huntsville, AL Lower Mississippi River Forecast Center
Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Big Nance Creek at Courtland Stage (ft)Flow (kcfs)Observed: 2.65 ft at 4:00PM May 17, 2013Observed: 2.66 ft at 4:30PM May 17, 2013Observed: 2.67 ft at 5:00PM May 17, 2013Observed: 2.69 ft at 5:30PM May 17, 2013Observed: 2.71 ft at 6:00PM May 17, 2013Observed: 2.73 ft at 6:30PM May 17, 2013Observed: 2.76 ft at 7:00PM May 17, 2013Observed: 2.79 ft at 7:30PM May 17, 2013Observed: 2.84 ft at 8:00PM May 17, 2013Observed: 2.92 ft at 8:30PM May 17, 2013Observed: 3.04 ft at 9:00PM May 17, 2013Observed: 3.21 ft at 9:30PM May 17, 2013Observed: 3.36 ft at 10:00PM May 17, 2013Observed: 3.55 ft at 10:30PM May 17, 2013Observed: 3.75 ft at 11:00PM May 17, 2013Observed: 3.95 ft at 11:30PM May 17, 2013Observed: 4.17 ft at 12:00AM May 18, 2013Observed: 4.37 ft at 12:30AM May 18, 2013Observed: 4.57 ft at 1:00AM May 18, 2013Observed: 4.8 ft at 1:30AM May 18, 2013Observed: 5.07 ft at 2:00AM May 18, 2013Observed: 5.37 ft at 2:30AM May 18, 2013Observed: 5.66 ft at 3:00AM May 18, 2013Observed: 5.95 ft at 3:30AM May 18, 2013Observed: 6.24 ft at 4:00AM May 18, 2013Observed: 6.5 ft at 4:30AM May 18, 2013Observed: 6.75 ft at 5:00AM May 18, 2013Observed: 6.98 ft at 5:30AM May 18, 2013Observed: 7.18 ft at 6:00AM May 18, 2013Observed: 7.35 ft at 6:30AM May 18, 2013Observed: 7.51 ft at 7:00AM May 18, 2013Observed: 7.66 ft at 7:30AM May 18, 2013Observed: 7.76 ft at 8:00AM May 18, 2013Observed: 7.88 ft at 8:30AM May 18, 2013Observed: 7.98 ft at 9:00AM May 18, 2013Observed: 8.05 ft at 9:30AM May 18, 2013Observed: 8.12 ft at 10:00AM May 18, 2013Observed: 8.15 ft at 10:30AM May 18, 2013Observed: 8.21 ft at 11:00AM May 18, 2013Observed: 8.26 ft at 11:30AM May 18, 2013Observed: 8.31 ft at 12:00PM May 18, 2013Observed: 8.32 ft at 12:30PM May 18, 2013Observed: 8.33 ft at 1:00PM May 18, 2013Highest Observation: 8.34 ft at 1:30PM May 18, 2013Highest Observation: 8.34 ft at 2:00PM May 18, 2013Highest Observation: 8.34 ft at 2:30PM May 18, 2013Observed: 8.32 ft at 3:00PM May 18, 2013Observed: 8.3 ft at 3:30PM May 18, 2013Observed: 8.27 ft at 4:00PM May 18, 2013Observed: 8.22 ft at 4:30PM May 18, 2013Observed: 8.18 ft at 5:00PM May 18, 2013Observed: 8.13 ft at 5:30PM May 18, 2013Observed: 8.04 ft at 6:00PM May 18, 2013Observed: 7.99 ft at 6:30PM May 18, 2013Observed: 7.89 ft at 7:00PM May 18, 2013Observed: 7.8 ft at 7:30PM May 18, 2013Observed: 7.69 ft at 8:00PM May 18, 2013Observed: 7.6 ft at 8:30PM May 18, 2013Observed: 7.51 ft at 9:00PM May 18, 2013Observed: 7.4 ft at 9:30PM May 18, 2013Observed: 7.27 ft at 10:00PM May 18, 2013Observed: 7.16 ft at 10:30PM May 18, 2013Observed: 7.04 ft at 11:00PM May 18, 2013Observed: 6.94 ft at 11:30PM May 18, 2013Observed: 6.79 ft at 12:00AM May 19, 2013Observed: 6.68 ft at 12:30AM May 19, 2013Observed: 6.57 ft at 1:00AM May 19, 2013Observed: 6.45 ft at 1:30AM May 19, 2013Observed: 6.35 ft at 2:00AM May 19, 2013Observed: 6.23 ft at 2:30AM May 19, 2013Observed: 6.12 ft at 3:00AM May 19, 2013Observed: 6.02 ft at 3:30AM May 19, 2013Observed: 5.91 ft at 4:00AM May 19, 2013Observed: 5.81 ft at 4:30AM May 19, 2013Observed: 5.71 ft at 5:00AM May 19, 2013Observed: 5.61 ft at 5:30AM May 19, 2013Observed: 5.52 ft at 6:00AM May 19, 2013Observed: 5.44 ft at 6:30AM May 19, 2013Observed: 5.34 ft at 7:00AM May 19, 2013Observed: 5.28 ft at 7:30AM May 19, 2013Observed: 5.2 ft at 8:00AM May 19, 2013Observed: 5.11 ft at 8:30AM May 19, 2013Observed: 5.06 ft at 9:00AM May 19, 2013Observed: 4.99 ft at 9:30AM May 19, 2013Observed: 4.93 ft at 10:00AM May 19, 2013Observed: 4.88 ft at 10:30AM May 19, 2013Observed: 4.81 ft at 11:00AM May 19, 2013Observed: 4.76 ft at 11:30AM May 19, 2013Observed: 4.7 ft at 12:00PM May 19, 2013Observed: 4.65 ft at 12:30PM May 19, 2013Observed: 4.6 ft at 1:00PM May 19, 2013Observed: 4.57 ft at 1:30PM May 19, 2013Observed: 4.52 ft at 2:00PM May 19, 2013Observed: 4.47 ft at 2:30PM May 19, 2013Observed: 4.44 ft at 3:00PM May 19, 2013Observed: 4.41 ft at 3:30PM May 19, 2013Observed: 4.37 ft at 4:00PM May 19, 2013Observed: 4.34 ft at 4:30PM May 19, 2013Observed: 4.3 ft at 5:00PM May 19, 2013Observed: 4.27 ft at 5:30PM May 19, 2013Observed: 4.24 ft at 6:00PM May 19, 2013Observed: 4.21 ft at 6:30PM May 19, 2013Observed: 4.18 ft at 7:00PM May 19, 2013Observed: 4.15 ft at 7:30PM May 19, 2013Observed: 4.13 ft at 8:00PM May 19, 2013Observed: 4.11 ft at 8:30PM May 19, 2013Observed: 4.08 ft at 9:00PM May 19, 2013Observed: 4.06 ft at 9:30PM May 19, 2013Observed: 4.04 ft at 10:00PM May 19, 2013Observed: 4.01 ft at 10:30PM May 19, 2013Observed: 4 ft at 11:00PM May 19, 2013Observed: 3.98 ft at 11:30PM May 19, 2013Observed: 3.96 ft at 12:00AM May 20, 2013Observed: 3.94 ft at 12:30AM May 20, 2013Observed: 3.93 ft at 1:00AM May 20, 2013Observed: 3.91 ft at 1:30AM May 20, 2013Observed: 3.89 ft at 2:00AM May 20, 2013Observed: 3.88 ft at 2:30AM May 20, 2013Observed: 3.87 ft at 3:00AM May 20, 2013Observed: 3.84 ft at 3:30AM May 20, 2013Observed: 3.82 ft at 4:00AM May 20, 2013Observed: 3.82 ft at 4:30AM May 20, 2013Observed: 3.79 ft at 5:00AM May 20, 2013Observed: 3.79 ft at 5:30AM May 20, 2013Observed: 3.77 ft at 6:00AM May 20, 2013Observed: 3.75 ft at 6:30AM May 20, 2013Observed: 3.74 ft at 7:00AM May 20, 2013Observed: 3.72 ft at 7:30AM May 20, 2013Observed: 3.71 ft at 8:00AM May 20, 2013Observed: 3.7 ft at 8:30AM May 20, 2013Observed: 3.68 ft at 9:00AM May 20, 2013Observed: 3.66 ft at 9:30AM May 20, 2013Observed: 3.65 ft at 10:00AM May 20, 2013Observed: 3.64 ft at 10:30AM May 20, 2013Observed: 3.62 ft at 11:00AM May 20, 2013Observed: 3.6 ft at 11:30AM May 20, 2013Observed: 3.59 ft at 12:00PM May 20, 2013Observed: 3.57 ft at 12:30PM May 20, 2013Observed: 3.56 ft at 1:00PM May 20, 2013Observed: 3.55 ft at 1:30PM May 20, 2013Observed: 3.53 ft at 2:00PM May 20, 2013Observed: 3.52 ft at 2:30PM May 20, 2013Observed: 3.5 ft at 3:00PM May 20, 2013Observed: 3.5 ft at 3:30PM May 20, 2013Observed: 3.47 ft at 4:00PM May 20, 2013Observed: 3.47 ft at 4:30PM May 20, 2013Observed: 3.46 ft at 5:00PM May 20, 2013Observed: 3.44 ft at 5:30PM May 20, 2013Observed: 3.42 ft at 6:00PM May 20, 2013Observed: 3.41 ft at 6:30PM May 20, 2013Observed: 3.4 ft at 7:00PM May 20, 2013Observed: 3.39 ft at 7:30PM May 20, 2013Observed: 3.38 ft at 8:00PM May 20, 2013Observed: 3.37 ft at 8:30PM May 20, 2013Observed: 3.37 ft at 9:00PM May 20, 2013Observed: 3.35 ft at 9:30PM May 20, 2013Observed: 3.35 ft at 10:00PM May 20, 2013Observed: 3.34 ft at 10:30PM May 20, 2013Observed: 3.3 ft at 1:00AM May 21, 2013Observed: 3.28 ft at 1:30AM May 21, 2013Observed: 3.27 ft at 2:00AM May 21, 2013Observed: 3.27 ft at 2:30AM May 21, 2013Observed: 3.26 ft at 3:00AM May 21, 2013Observed: 3.26 ft at 3:30AM May 21, 2013Observed: 3.24 ft at 4:00AM May 21, 2013Observed: 3.24 ft at 4:30AM May 21, 2013Observed: 3.22 ft at 5:00AM May 21, 2013Observed: 3.22 ft at 5:30AM May 21, 2013Observed: 3.21 ft at 6:00AM May 21, 2013Observed: 3.21 ft at 6:30AM May 21, 2013Observed: 3.19 ft at 7:00AM May 21, 2013Observed: 3.18 ft at 7:30AM May 21, 2013Observed: 3.17 ft at 8:00AM May 21, 2013Observed: 3.17 ft at 8:30AM May 21, 2013Observed: 3.16 ft at 9:00AM May 21, 2013Observed: 3.16 ft at 9:30AM May 21, 2013Observed: 3.15 ft at 10:00AM May 21, 2013Observed: 3.16 ft at 10:30AM May 21, 2013Observed: 3.15 ft at 11:00AM May 21, 2013Observed: 3.14 ft at 11:30AM May 21, 2013Observed: 3.13 ft at 12:00PM May 21, 2013Observed: 3.12 ft at 12:30PM May 21, 2013Observed: 3.12 ft at 1:00PM May 21, 2013Observed: 3.11 ft at 1:30PM May 21, 2013Observed: 3.1 ft at 2:00PM May 21, 2013Observed: 3.1 ft at 2:30PM May 21, 2013Observed: 3.09 ft at 3:00PM May 21, 2013Observed: 3.09 ft at 3:30PM May 21, 2013Observed: 3.08 ft at 4:00PM May 21, 2013Observed: 3.08 ft at 4:30PM May 21, 2013Observed: 3.07 ft at 5:00PM May 21, 2013Observed: 3.06 ft at 5:30PM May 21, 2013Observed: 3.05 ft at 6:00PM May 21, 2013Observed: 3.05 ft at 6:30PM May 21, 2013Observed: 3.04 ft at 7:00PM May 21, 2013Observed: 3.03 ft at 7:30PM May 21, 2013Observed: 3.02 ft at 8:00PM May 21, 2013Observed: 3.02 ft at 8:30PM May 21, 2013Observed: 3.01 ft at 9:00PM May 21, 2013Observed: 3.01 ft at 9:30PM May 21, 2013Observed: 3 ft at 10:00PM May 21, 2013Observed: 3 ft at 10:30PM May 21, 2013Observed: 2.99 ft at 11:00PM May 21, 2013Observed: 2.98 ft at 11:30PM May 21, 2013Observed: 2.98 ft at 12:00AM May 22, 2013Observed: 2.97 ft at 12:30AM May 22, 2013Observed: 2.96 ft at 1:00AM May 22, 2013Observed: 2.96 ft at 1:30AM May 22, 2013Observed: 2.95 ft at 2:00AM May 22, 2013Observed: 2.94 ft at 2:30AM May 22, 2013Observed: 2.94 ft at 3:00AM May 22, 2013Observed: 2.93 ft at 3:30AM May 22, 2013Observed: 2.92 ft at 4:00AM May 22, 2013Observed: 2.92 ft at 4:30AM May 22, 2013Observed: 2.87 ft at 9:00AM May 22, 2013Observed: 2.87 ft at 9:30AM May 22, 2013Observed: 2.86 ft at 10:00AM May 22, 2013Observed: 2.86 ft at 10:30AM May 22, 2013Observed: 2.86 ft at 11:00AM May 22, 2013Observed: 2.85 ft at 11:30AM May 22, 2013Observed: 2.85 ft at 12:00PM May 22, 2013Observed: 2.85 ft at 12:30PM May 22, 2013Observed: 2.84 ft at 1:00PM May 22, 2013Observed: 2.83 ft at 1:30PM May 22, 2013Observed: 2.83 ft at 2:00PM May 22, 2013Observed: 2.82 ft at 2:30PM May 22, 2013Forecast: 3 ft 7:00PM May 22, 2013Forecast: 3.3 ft 1:00AM May 23, 2013Highest Forecast: 3.5 ft 7:00AM May 23, 2013Highest Forecast: 3.5 ft 1:00PM May 23, 2013Forecast: 3.3 ft 7:00PM May 23, 2013Forecast: 3.2 ft 1:00AM May 24, 2013Forecast: 3.1 ft 7:00AM May 24, 2013Forecast: 3 ft 1:00PM May 24, 2013Forecast: 3 ft 7:00PM May 24, 2013Forecast: 2.9 ft 1:00AM May 25, 2013Forecast: 2.9 ft 7:00AM May 25, 2013Forecast: 2.9 ft 1:00PM May 25, 2013Forecast: 2.9 ft 7:00PM May 25, 2013Forecast: 2.9 ft 1:00AM May 26, 2013Forecast: 2.9 ft 7:00AM May 26, 2013Forecast: 2.9 ft 1:00PM May 26, 2013Forecast: 2.9 ft 7:00PM May 26, 2013Forecast: 2.8 ft 1:00AM May 27, 2013Forecast: 2.8 ft 7:00AM May 27, 2013USGS--Water Resources of the United StatesBNAA1(plotting HGIRG) Graph Created (3:44PM May 22, 2013)ObservedForecast (issued 9:14AM May 22)Latest observed value: 2.82 ft at 2:30 PM CDT 22-May-2013. Flood Stage is 14 ft
Printable Image
About this graph
Tabular Data
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Big Nance Creek 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

Historical 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 Historical Crests

Low Water Records
Legend
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 Collapse
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 ON 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  

Other Data Sources:
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
Ask Questions/Webmaster
Page last modified: 13-Mar-2013 6:27 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities