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Hydrograph River at a Glance Download Inundation
Mapping
Black Warrior River at Oliver Lock and Dam Tailwater (ft)Flow (kcfs)Observed: 103.32 ft at 1:45AM Apr 13, 2024Observed: 103.41 ft at 2:00AM Apr 13, 2024Observed: 103.51 ft at 2:15AM Apr 13, 2024Observed: 103.57 ft at 2:30AM Apr 13, 2024Observed: 103.86 ft at 2:45AM Apr 13, 2024Observed: 104.05 ft at 3:00AM Apr 13, 2024Observed: 104.22 ft at 3:15AM Apr 13, 2024Observed: 104.69 ft at 3:30AM Apr 13, 2024Observed: 104.56 ft at 3:45AM Apr 13, 2024Observed: 104.69 ft at 4:00AM Apr 13, 2024Observed: 104.85 ft at 4:15AM Apr 13, 2024Observed: 104.98 ft at 4:30AM Apr 13, 2024Observed: 105.16 ft at 4:45AM Apr 13, 2024Highest Observation: 105.19 ft at 5:00AM Apr 13, 2024Observed: 105.13 ft at 5:15AM Apr 13, 2024Observed: 105.01 ft at 5:30AM Apr 13, 2024Observed: 105.01 ft at 5:45AM Apr 13, 2024Observed: 104.91 ft at 6:00AM Apr 13, 2024Observed: 104.86 ft at 6:15AM Apr 13, 2024Observed: 104.78 ft at 6:30AM Apr 13, 2024Observed: 104.69 ft at 6:45AM Apr 13, 2024Observed: 104.62 ft at 7:00AM Apr 13, 2024Observed: 104.54 ft at 7:15AM Apr 13, 2024Observed: 104.47 ft at 7:30AM Apr 13, 2024Observed: 104.4 ft at 7:45AM Apr 13, 2024Observed: 104.36 ft at 8:00AM Apr 13, 2024Observed: 104.26 ft at 8:15AM Apr 13, 2024Observed: 104.19 ft at 8:30AM Apr 13, 2024Observed: 104.15 ft at 8:45AM Apr 13, 2024Observed: 104.11 ft at 9:00AM Apr 13, 2024Observed: 104.09 ft at 9:15AM Apr 13, 2024Observed: 104 ft at 9:30AM Apr 13, 2024Observed: 104.01 ft at 9:45AM Apr 13, 2024Observed: 103.94 ft at 10:00AM Apr 13, 2024Observed: 103.92 ft at 10:15AM Apr 13, 2024Observed: 103.91 ft at 10:30AM Apr 13, 2024Observed: 103.85 ft at 10:45AM Apr 13, 2024Observed: 103.8 ft at 11:00AM Apr 13, 2024Observed: 103.78 ft at 11:15AM Apr 13, 2024Observed: 103.76 ft at 11:30AM Apr 13, 2024Observed: 103.73 ft at 11:45AM Apr 13, 2024Observed: 103.71 ft at 12:00PM Apr 13, 2024Observed: 103.67 ft at 12:15PM Apr 13, 2024Observed: 103.66 ft at 12:30PM Apr 13, 2024Observed: 103.66 ft at 12:45PM Apr 13, 2024Observed: 103.62 ft at 1:00PM Apr 13, 2024Observed: 103.6 ft at 1:15PM Apr 13, 2024Observed: 103.57 ft at 1:30PM Apr 13, 2024Observed: 103.59 ft at 1:45PM Apr 13, 2024Observed: 103.54 ft at 2:00PM Apr 13, 2024Observed: 103.55 ft at 2:15PM Apr 13, 2024Observed: 103.53 ft at 2:30PM Apr 13, 2024Observed: 103.54 ft at 2:45PM Apr 13, 2024Observed: 103.47 ft at 3:00PM Apr 13, 2024Observed: 103.45 ft at 3:15PM Apr 13, 2024Observed: 103.44 ft at 3:30PM Apr 13, 2024Observed: 103.25 ft at 3:45PM Apr 13, 2024Observed: 102.94 ft at 4:00PM Apr 13, 2024Observed: 102.85 ft at 4:15PM Apr 13, 2024Observed: 102.69 ft at 4:30PM Apr 13, 2024Observed: 102.6 ft at 4:45PM Apr 13, 2024Observed: 102.39 ft at 5:00PM Apr 13, 2024Observed: 102.24 ft at 5:15PM Apr 13, 2024Observed: 102.08 ft at 5:30PM Apr 13, 2024Observed: 101.99 ft at 5:45PM Apr 13, 2024Observed: 101.83 ft at 6:00PM Apr 13, 2024Observed: 101.7 ft at 6:15PM Apr 13, 2024Observed: 101.6 ft at 6:30PM Apr 13, 2024Observed: 101.5 ft at 6:45PM Apr 13, 2024Observed: 101.4 ft at 7:00PM Apr 13, 2024Observed: 101.29 ft at 7:15PM Apr 13, 2024Observed: 101.17 ft at 7:30PM Apr 13, 2024Observed: 101.07 ft at 7:45PM Apr 13, 2024Observed: 100.97 ft at 8:00PM Apr 13, 2024Observed: 100.86 ft at 8:15PM Apr 13, 2024Observed: 100.76 ft at 8:30PM Apr 13, 2024Observed: 100.66 ft at 8:45PM Apr 13, 2024Observed: 100.57 ft at 9:00PM Apr 13, 2024Observed: 100.47 ft at 9:15PM Apr 13, 2024Observed: 100.38 ft at 9:30PM Apr 13, 2024Observed: 100.29 ft at 9:45PM Apr 13, 2024Observed: 100.2 ft at 10:00PM Apr 13, 2024Observed: 100.12 ft at 10:15PM Apr 13, 2024Observed: 100.03 ft at 10:30PM Apr 13, 2024Observed: 99.95 ft at 10:45PM Apr 13, 2024Observed: 99.87 ft at 11:00PM Apr 13, 2024Observed: 99.78 ft at 11:15PM Apr 13, 2024Observed: 99.71 ft at 11:30PM Apr 13, 2024Observed: 99.63 ft at 11:45PM Apr 13, 2024Observed: 99.55 ft at 12:00AM Apr 14, 2024Observed: 99.48 ft at 12:15AM Apr 14, 2024Observed: 99.41 ft at 12:30AM Apr 14, 2024Observed: 99.65 ft at 12:45AM Apr 14, 2024Observed: 99.66 ft at 1:00AM Apr 14, 2024Observed: 99.69 ft at 1:15AM Apr 14, 2024Observed: 99.68 ft at 1:30AM Apr 14, 2024Observed: 100 ft at 1:45AM Apr 14, 2024Observed: 100.32 ft at 2:00AM Apr 14, 2024Observed: 100.54 ft at 2:15AM Apr 14, 2024Observed: 100.8 ft at 2:30AM Apr 14, 2024Observed: 100.98 ft at 2:45AM Apr 14, 2024Observed: 101.25 ft at 3:00AM Apr 14, 2024Observed: 101.52 ft at 3:15AM Apr 14, 2024Observed: 101.74 ft at 3:30AM Apr 14, 2024Observed: 101.97 ft at 3:45AM Apr 14, 2024Observed: 102.17 ft at 4:00AM Apr 14, 2024Observed: 102.36 ft at 4:15AM Apr 14, 2024Observed: 102.55 ft at 4:30AM Apr 14, 2024Observed: 102.74 ft at 4:45AM Apr 14, 2024Observed: 102.89 ft at 5:00AM Apr 14, 2024Observed: 103.04 ft at 5:15AM Apr 14, 2024Observed: 102.99 ft at 5:30AM Apr 14, 2024Observed: 102.87 ft at 5:45AM Apr 14, 2024Observed: 102.89 ft at 6:00AM Apr 14, 2024Observed: 102.86 ft at 6:15AM Apr 14, 2024Observed: 102.85 ft at 6:30AM Apr 14, 2024Observed: 102.77 ft at 6:45AM Apr 14, 2024Observed: 102.72 ft at 7:00AM Apr 14, 2024Observed: 102.71 ft at 7:15AM Apr 14, 2024Observed: 102.69 ft at 7:30AM Apr 14, 2024Observed: 102.63 ft at 7:45AM Apr 14, 2024Observed: 102.6 ft at 8:00AM Apr 14, 2024Observed: 102.59 ft at 8:15AM Apr 14, 2024Observed: 102.58 ft at 8:30AM Apr 14, 2024Observed: 102.57 ft at 8:45AM Apr 14, 2024Observed: 102.53 ft at 9:00AM Apr 14, 2024Observed: 102.5 ft at 9:15AM Apr 14, 2024Observed: 102.47 ft at 9:30AM Apr 14, 2024Observed: 102.48 ft at 9:45AM Apr 14, 2024Observed: 102.46 ft at 10:00AM Apr 14, 2024Observed: 102.55 ft at 10:15AM Apr 14, 2024Observed: 102.58 ft at 10:30AM Apr 14, 2024Observed: 102.07 ft at 10:45AM Apr 14, 2024Observed: 101.96 ft at 11:00AM Apr 14, 2024Observed: 101.83 ft at 11:15AM Apr 14, 2024Observed: 101.73 ft at 11:30AM Apr 14, 2024Observed: 101.57 ft at 11:45AM Apr 14, 2024Observed: 101.36 ft at 12:00PM Apr 14, 2024Observed: 101.27 ft at 12:15PM Apr 14, 2024Observed: 101.13 ft at 12:30PM Apr 14, 2024Observed: 101.04 ft at 12:45PM Apr 14, 2024Observed: 100.92 ft at 1:00PM Apr 14, 2024Observed: 100.74 ft at 1:15PM Apr 14, 2024Observed: 100.78 ft at 1:30PM Apr 14, 2024Observed: 100.6 ft at 1:45PM Apr 14, 2024Observed: 100.45 ft at 2:00PM Apr 14, 2024Observed: 100.31 ft at 2:15PM Apr 14, 2024Observed: 100.25 ft at 2:30PM Apr 14, 2024Observed: 100.18 ft at 2:45PM Apr 14, 2024Observed: 100.05 ft at 3:00PM Apr 14, 2024Observed: 99.92 ft at 3:15PM Apr 14, 2024Observed: 99.83 ft at 3:30PM Apr 14, 2024Observed: 99.74 ft at 3:45PM Apr 14, 2024Observed: 99.69 ft at 4:00PM Apr 14, 2024Observed: 99.57 ft at 4:15PM Apr 14, 2024Observed: 99.51 ft at 4:30PM Apr 14, 2024Observed: 99.42 ft at 4:45PM Apr 14, 2024Observed: 99.39 ft at 5:00PM Apr 14, 2024Observed: 99.33 ft at 5:15PM Apr 14, 2024Observed: 99.26 ft at 5:30PM Apr 14, 2024Observed: 99.19 ft at 5:45PM Apr 14, 2024Observed: 99.08 ft at 6:00PM Apr 14, 2024Observed: 99.05 ft at 6:15PM Apr 14, 2024Observed: 98.98 ft at 6:30PM Apr 14, 2024Observed: 98.89 ft at 6:45PM Apr 14, 2024Observed: 98.83 ft at 7:00PM Apr 14, 2024Observed: 98.76 ft at 7:15PM Apr 14, 2024Observed: 98.7 ft at 7:30PM Apr 14, 2024Observed: 98.64 ft at 7:45PM Apr 14, 2024Observed: 98.58 ft at 8:00PM Apr 14, 2024Observed: 98.51 ft at 8:15PM Apr 14, 2024Observed: 98.46 ft at 8:30PM Apr 14, 2024Observed: 98.4 ft at 8:45PM Apr 14, 2024Observed: 98.32 ft at 9:00PM Apr 14, 2024Observed: 98.31 ft at 9:15PM Apr 14, 2024Observed: 98.51 ft at 9:30PM Apr 14, 2024Observed: 98.59 ft at 9:45PM Apr 14, 2024Observed: 98.68 ft at 10:00PM Apr 14, 2024Observed: 98.66 ft at 10:15PM Apr 14, 2024Observed: 98.85 ft at 10:30PM Apr 14, 2024Observed: 99.69 ft at 12:45AM Apr 15, 2024Observed: 99.77 ft at 1:00AM Apr 15, 2024Observed: 99.86 ft at 1:15AM Apr 15, 2024Observed: 99.95 ft at 1:30AM Apr 15, 2024Observed: 100.01 ft at 1:45AM Apr 15, 2024Observed: 100.1 ft at 2:00AM Apr 15, 2024Observed: 100.15 ft at 2:15AM Apr 15, 2024Observed: 100.22 ft at 2:30AM Apr 15, 2024Observed: 100.26 ft at 2:45AM Apr 15, 2024Observed: 100.32 ft at 3:00AM Apr 15, 2024Observed: 100.38 ft at 3:15AM Apr 15, 2024Observed: 100.45 ft at 3:30AM Apr 15, 2024Observed: 100.46 ft at 3:45AM Apr 15, 2024Observed: 100.52 ft at 4:00AM Apr 15, 2024Observed: 100.55 ft at 4:15AM Apr 15, 2024Observed: 100.62 ft at 4:30AM Apr 15, 2024Observed: 100.65 ft at 4:45AM Apr 15, 2024Observed: 100.68 ft at 5:00AM Apr 15, 2024Observed: 100.76 ft at 5:15AM Apr 15, 2024Observed: 100.76 ft at 5:30AM Apr 15, 2024Observed: 100.81 ft at 5:45AM Apr 15, 2024Observed: 100.86 ft at 6:00AM Apr 15, 2024Observed: 100.87 ft at 6:15AM Apr 15, 2024Observed: 100.94 ft at 6:30AM Apr 15, 2024Observed: 100.98 ft at 6:45AM Apr 15, 2024Observed: 100.98 ft at 7:00AM Apr 15, 2024Observed: 100.87 ft at 7:15AM Apr 15, 2024Observed: 100.52 ft at 7:30AM Apr 15, 2024Observed: 100.45 ft at 7:45AM Apr 15, 2024Observed: 100.37 ft at 8:00AM Apr 15, 2024Observed: 100.29 ft at 8:15AM Apr 15, 2024Observed: 100.11 ft at 8:30AM Apr 15, 2024Observed: 99.99 ft at 8:45AM Apr 15, 2024Observed: 99.82 ft at 9:00AM Apr 15, 2024Observed: 99.75 ft at 9:15AM Apr 15, 2024Observed: 99.64 ft at 9:30AM Apr 15, 2024Observed: 99.49 ft at 9:45AM Apr 15, 2024Observed: 99.45 ft at 10:00AM Apr 15, 2024Observed: 99.33 ft at 10:15AM Apr 15, 2024Observed: 99.3 ft at 10:30AM Apr 15, 2024Observed: 99.18 ft at 10:45AM Apr 15, 2024Observed: 99.09 ft at 11:00AM Apr 15, 2024Observed: 98.96 ft at 11:15AM Apr 15, 2024Observed: 98.95 ft at 11:30AM Apr 15, 2024Observed: 98.82 ft at 11:45AM Apr 15, 2024Observed: 98.77 ft at 12:00PM Apr 15, 2024Observed: 98.7 ft at 12:15PM Apr 15, 2024Observed: 98.66 ft at 12:30PM Apr 15, 2024Observed: 98.53 ft at 12:45PM Apr 15, 2024Observed: 98.49 ft at 1:00PM Apr 15, 2024Observed: 98.43 ft at 1:15PM Apr 15, 2024Observed: 98.35 ft at 1:30PM Apr 15, 2024Observed: 98.28 ft at 1:45PM Apr 15, 2024Observed: 98.29 ft at 2:00PM Apr 15, 2024Observed: 98.23 ft at 2:15PM Apr 15, 2024Observed: 98.12 ft at 2:30PM Apr 15, 2024Observed: 98.06 ft at 2:45PM Apr 15, 2024Observed: 98.03 ft at 3:00PM Apr 15, 2024Observed: 97.93 ft at 3:15PM Apr 15, 2024Observed: 97.9 ft at 3:30PM Apr 15, 2024Observed: 97.85 ft at 3:45PM Apr 15, 2024Observed: 97.73 ft at 4:00PM Apr 15, 2024Observed: 97.74 ft at 4:15PM Apr 15, 2024Observed: 97.69 ft at 4:30PM Apr 15, 2024Observed: 97.67 ft at 4:45PM Apr 15, 2024Observed: 97.59 ft at 5:00PM Apr 15, 2024Observed: 97.53 ft at 5:15PM Apr 15, 2024Observed: 97.51 ft at 5:30PM Apr 15, 2024Observed: 97.45 ft at 5:45PM Apr 15, 2024Observed: 97.44 ft at 6:00PM Apr 15, 2024Observed: 97.37 ft at 6:15PM Apr 15, 2024Observed: 97.33 ft at 6:30PM Apr 15, 2024Observed: 97.44 ft at 6:45PM Apr 15, 2024Observed: 97.67 ft at 7:00PM Apr 15, 2024Observed: 97.74 ft at 7:15PM Apr 15, 2024Observed: 97.79 ft at 7:30PM Apr 15, 2024Observed: 97.85 ft at 7:45PM Apr 15, 2024Observed: 98.03 ft at 8:00PM Apr 15, 2024Observed: 98.1 ft at 8:15PM Apr 15, 2024Observed: 98.24 ft at 8:30PM Apr 15, 2024Observed: 98.36 ft at 8:45PM Apr 15, 2024Observed: 98.49 ft at 9:00PM Apr 15, 2024Observed: 98.6 ft at 9:15PM Apr 15, 2024Observed: 98.71 ft at 9:30PM Apr 15, 2024Observed: 98.81 ft at 9:45PM Apr 15, 2024Observed: 98.94 ft at 10:00PM Apr 15, 2024Observed: 99.02 ft at 10:15PM Apr 15, 2024Observed: 99.14 ft at 10:30PM Apr 15, 2024Observed: 99.18 ft at 10:45PM Apr 15, 2024Observed: 99.33 ft at 11:00PM Apr 15, 2024Observed: 99.39 ft at 11:15PM Apr 15, 2024Observed: 99.46 ft at 11:30PM Apr 15, 2024Observed: 99.55 ft at 11:45PM Apr 15, 2024Observed: 99.63 ft at 12:00AM Apr 16, 2024Observed: 99.7 ft at 12:15AM Apr 16, 2024Observed: 99.75 ft at 12:30AM Apr 16, 2024Highest Forecast: 101.1 ft 7:00AM Apr 16, 2024Forecast: 100.8 ft 1:00PM Apr 16, 2024Forecast: 100.6 ft 7:00PM Apr 16, 2024Forecast: 100.4 ft 1:00AM Apr 17, 2024Forecast: 100.2 ft 7:00AM Apr 17, 2024Forecast: 100 ft 1:00PM Apr 17, 2024Forecast: 99.8 ft 7:00PM Apr 17, 2024Forecast: 99.7 ft 1:00AM Apr 18, 2024Forecast: 99.6 ft 7:00AM Apr 18, 2024Forecast: 99.5 ft 1:00PM Apr 18, 2024Forecast: 99.4 ft 7:00PM Apr 18, 2024Forecast: 99.3 ft 1:00AM Apr 19, 2024Forecast: 99.2 ft 7:00AM Apr 19, 2024Forecast: 99.1 ft 1:00PM Apr 19, 2024Forecast: 99.1 ft 7:00PM Apr 19, 2024Forecast: 99 ft 1:00AM Apr 20, 2024Forecast: 99 ft 7:00AM Apr 20, 2024USGS--Water Resources of the United StatesTODA1(plotting HTIRG) Graph Created (1:30AM Apr 16, 2024)ObservedForecast (issued 8:59AM Apr 15)Latest observed value: 99.75 ft at 12:30 AM CDT 16-Apr-2024. Flood Stage is 129 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
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.

NOTE: Forecasts for the Black Warrior River at Oliver Lock and Dam are issued routinely year-round.

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Upstream Gauge - at Holt Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - below Selden Dam
Flood Categories (in feet)
Major Flood Stage: 146
Moderate Flood Stage: 138
Flood Stage: 129
Action Stage: 122
Low Stage (in feet): -9999

Historic Crests
(1) 149.00 ft on 02/22/1961
(2) 148.30 ft on 03/29/1951
(3) 148.00 ft on 04/13/1979
(4) 146.70 ft on 01/06/1949
(5) 145.80 ft on 02/11/1946
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 131.54 ft on 02/22/2019
(2) 138.78 ft on 12/28/2018
(3) 126.41 ft on 06/24/2017
(4) 98.64 ft on 12/03/2016
(5) 135.25 ft on 12/27/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 92.30 ft on 10/05/1953

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
153 Water reaches the top of the levee at Northport. At higher stages flooding of Northport can be expected.
149 Extensive business and industrial flooding occurs along the Jack Warner Parkway in Tuscaloosa.
147 Flooding along Jack Warner Parkway worsens. The park at Manderson Landing floods at stages of 148 feet.
146 Considerable flooding of industrial and commercial interests along Jack Warner Parkway occurs.
144 Flooding of Rice Mine Road in Northport and northeast Tuscaloosa begins.
140 Flooding of portions of Jack Warner Parkway can be expected. Some industrial property may also begin to flood along Jack Warner Parkway. Residential flooding will commence in areas southwest of Tuscaloosa at stages above 140 feet.
135 Numerous camphouses and some permanent residences southwest of Tuscaloosa become cutoff.
132 Flooding of rural roads southwest of Tuscaloosa occurs.
129 Flooding of agricultural lands in areas southwest of Tuscaloosa occurs.
125 Flooding of some roads leading into homes in the Hemphill Bend area southwest of Tuscaloosa occurs.
122 Cattle in low lands begin to be cut off and may need to be moved to higher ground.
About This Location Collapse

Latitude: 33.209167° N, Longitude: 87.596389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 129 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 0 ft 129 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
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 Hours.

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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
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Calera, AL 35040-5427
(205) 664-3010
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Page last modified: 2-Nov-2020 7:29 PM
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