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Hydrograph River at a Glance Download
Black Warrior River at Holt Lock and Dam Tailwater (ft)Flow (kcfs)Observed: 125.69 ft at 6:15AM Mar 25, 2024Observed: 125.69 ft at 6:30AM Mar 25, 2024Observed: 125.69 ft at 6:45AM Mar 25, 2024Observed: 125.69 ft at 7:00AM Mar 25, 2024Observed: 125.69 ft at 7:15AM Mar 25, 2024Observed: 125.71 ft at 7:30AM Mar 25, 2024Observed: 125.69 ft at 7:45AM Mar 25, 2024Observed: 125.68 ft at 8:00AM Mar 25, 2024Observed: 125.69 ft at 8:15AM Mar 25, 2024Observed: 125.69 ft at 8:30AM Mar 25, 2024Observed: 125.68 ft at 8:45AM Mar 25, 2024Observed: 125.7 ft at 9:00AM Mar 25, 2024Observed: 124.94 ft at 9:15AM Mar 25, 2024Observed: 124.93 ft at 9:30AM Mar 25, 2024Observed: 124.78 ft at 9:45AM Mar 25, 2024Observed: 124.87 ft at 10:00AM Mar 25, 2024Observed: 124.51 ft at 10:15AM Mar 25, 2024Observed: 124.22 ft at 10:30AM Mar 25, 2024Observed: 124.27 ft at 10:45AM Mar 25, 2024Observed: 124.18 ft at 11:00AM Mar 25, 2024Observed: 124.18 ft at 11:15AM Mar 25, 2024Observed: 123.97 ft at 11:30AM Mar 25, 2024Observed: 123.9 ft at 11:45AM Mar 25, 2024Observed: 123.88 ft at 12:00PM Mar 25, 2024Observed: 123.9 ft at 12:15PM Mar 25, 2024Observed: 123.83 ft at 12:30PM Mar 25, 2024Observed: 123.69 ft at 12:45PM Mar 25, 2024Observed: 123.67 ft at 1:00PM Mar 25, 2024Observed: 123.66 ft at 1:15PM Mar 25, 2024Observed: 123.7 ft at 1:30PM Mar 25, 2024Observed: 123.63 ft at 1:45PM Mar 25, 2024Observed: 123.58 ft at 2:00PM Mar 25, 2024Observed: 123.54 ft at 2:15PM Mar 25, 2024Observed: 123.55 ft at 2:30PM Mar 25, 2024Observed: 123.55 ft at 2:45PM Mar 25, 2024Observed: 123.5 ft at 3:00PM Mar 25, 2024Observed: 123.46 ft at 3:15PM Mar 25, 2024Observed: 123.45 ft at 3:30PM Mar 25, 2024Observed: 123.48 ft at 3:45PM Mar 25, 2024Observed: 123.45 ft at 4:00PM Mar 25, 2024Observed: 123.44 ft at 4:15PM Mar 25, 2024Observed: 123.4 ft at 4:30PM Mar 25, 2024Observed: 123.4 ft at 4:45PM Mar 25, 2024Observed: 123.42 ft at 5:00PM Mar 25, 2024Observed: 123.38 ft at 5:15PM Mar 25, 2024Observed: 123.38 ft at 5:30PM Mar 25, 2024Observed: 123.35 ft at 5:45PM Mar 25, 2024Observed: 123.39 ft at 6:00PM Mar 25, 2024Observed: 123.38 ft at 6:15PM Mar 25, 2024Observed: 123.37 ft at 6:30PM Mar 25, 2024Observed: 123.35 ft at 6:45PM Mar 25, 2024Observed: 123.33 ft at 7:00PM Mar 25, 2024Observed: 123.36 ft at 7:15PM Mar 25, 2024Observed: 123.35 ft at 7:30PM Mar 25, 2024Observed: 123.35 ft at 7:45PM Mar 25, 2024Observed: 123.32 ft at 8:00PM Mar 25, 2024Observed: 123.32 ft at 8:15PM Mar 25, 2024Observed: 123.35 ft at 8:30PM Mar 25, 2024Observed: 122.9 ft at 8:45PM Mar 25, 2024Observed: 123.33 ft at 9:00PM Mar 25, 2024Observed: 123.28 ft at 9:15PM Mar 25, 2024Observed: 123.36 ft at 9:30PM Mar 25, 2024Observed: 123.61 ft at 9:45PM Mar 25, 2024Observed: 123.37 ft at 10:00PM Mar 25, 2024Observed: 123.3 ft at 10:15PM Mar 25, 2024Observed: 123.24 ft at 10:30PM Mar 25, 2024Observed: 123.29 ft at 10:45PM Mar 25, 2024Observed: 123.58 ft at 11:00PM Mar 25, 2024Observed: 123.32 ft at 11:15PM Mar 25, 2024Observed: 123.29 ft at 11:30PM Mar 25, 2024Observed: 123.28 ft at 11:45PM Mar 25, 2024Observed: 123.45 ft at 12:00AM Mar 26, 2024Observed: 123.48 ft at 12:15AM Mar 26, 2024Observed: 123.35 ft at 12:30AM Mar 26, 2024Observed: 123.28 ft at 12:45AM Mar 26, 2024Observed: 123.3 ft at 1:00AM Mar 26, 2024Observed: 123.41 ft at 1:15AM Mar 26, 2024Observed: 123.33 ft at 1:30AM Mar 26, 2024Observed: 123.33 ft at 1:45AM Mar 26, 2024Observed: 123.34 ft at 2:00AM Mar 26, 2024Observed: 123.53 ft at 2:15AM Mar 26, 2024Observed: 123.52 ft at 2:30AM Mar 26, 2024Observed: 123.45 ft at 2:45AM Mar 26, 2024Observed: 123.47 ft at 3:00AM Mar 26, 2024Observed: 123.51 ft at 3:15AM Mar 26, 2024Observed: 123.62 ft at 3:30AM Mar 26, 2024Observed: 123.57 ft at 3:45AM Mar 26, 2024Observed: 123.59 ft at 4:00AM Mar 26, 2024Observed: 123.58 ft at 4:15AM Mar 26, 2024Observed: 123.67 ft at 4:30AM Mar 26, 2024Observed: 123.71 ft at 4:45AM Mar 26, 2024Observed: 123.68 ft at 5:00AM Mar 26, 2024Observed: 124.11 ft at 5:15AM Mar 26, 2024Observed: 125.06 ft at 5:30AM Mar 26, 2024Observed: 125.3 ft at 5:45AM Mar 26, 2024Observed: 125.42 ft at 6:00AM Mar 26, 2024Observed: 125.43 ft at 6:15AM Mar 26, 2024Observed: 126.04 ft at 6:30AM Mar 26, 2024Observed: 126.33 ft at 6:45AM Mar 26, 2024Observed: 126.88 ft at 7:00AM Mar 26, 2024Observed: 127.12 ft at 7:15AM Mar 26, 2024Observed: 127.32 ft at 7:30AM Mar 26, 2024Observed: 127.48 ft at 7:45AM Mar 26, 2024Observed: 127.64 ft at 8:00AM Mar 26, 2024Observed: 127.67 ft at 8:15AM Mar 26, 2024Observed: 127.68 ft at 8:30AM Mar 26, 2024Observed: 127.77 ft at 8:45AM Mar 26, 2024Observed: 127.78 ft at 9:00AM Mar 26, 2024Observed: 127.02 ft at 9:15AM Mar 26, 2024Observed: 126.89 ft at 9:30AM Mar 26, 2024Observed: 126.76 ft at 9:45AM Mar 26, 2024Observed: 126.74 ft at 10:00AM Mar 26, 2024Observed: 126.53 ft at 10:15AM Mar 26, 2024Observed: 126.03 ft at 10:30AM Mar 26, 2024Observed: 125.56 ft at 10:45AM Mar 26, 2024Observed: 125.53 ft at 11:00AM Mar 26, 2024Observed: 126.25 ft at 11:15AM Mar 26, 2024Observed: 126.12 ft at 11:30AM Mar 26, 2024Observed: 125.82 ft at 11:45AM Mar 26, 2024Observed: 125.73 ft at 12:00PM Mar 26, 2024Observed: 126.01 ft at 12:15PM Mar 26, 2024Observed: 126.05 ft at 12:30PM Mar 26, 2024Observed: 126.45 ft at 12:45PM Mar 26, 2024Observed: 126.56 ft at 1:00PM Mar 26, 2024Observed: 126.64 ft at 1:15PM Mar 26, 2024Observed: 126.75 ft at 1:30PM Mar 26, 2024Observed: 126.84 ft at 1:45PM Mar 26, 2024Observed: 129.94 ft at 3:00AM Mar 27, 2024Observed: 129.93 ft at 3:15AM Mar 27, 2024Observed: 129.9 ft at 3:30AM Mar 27, 2024Observed: 129.89 ft at 3:45AM Mar 27, 2024Observed: 129.92 ft at 4:00AM Mar 27, 2024Observed: 129.91 ft at 4:15AM Mar 27, 2024Observed: 129.89 ft at 4:30AM Mar 27, 2024Observed: 129.9 ft at 4:45AM Mar 27, 2024Observed: 129.89 ft at 5:00AM Mar 27, 2024Observed: 129.89 ft at 5:15AM Mar 27, 2024Observed: 129.9 ft at 5:30AM Mar 27, 2024Observed: 129.9 ft at 5:45AM Mar 27, 2024Observed: 129.88 ft at 6:00AM Mar 27, 2024Observed: 129.87 ft at 6:15AM Mar 27, 2024Observed: 129.9 ft at 6:30AM Mar 27, 2024Observed: 129.9 ft at 6:45AM Mar 27, 2024Observed: 129.89 ft at 7:00AM Mar 27, 2024Observed: 129.91 ft at 7:15AM Mar 27, 2024Observed: 129.89 ft at 7:30AM Mar 27, 2024Observed: 129.9 ft at 7:45AM Mar 27, 2024Observed: 129.9 ft at 8:00AM Mar 27, 2024Observed: 129.89 ft at 8:15AM Mar 27, 2024Observed: 129.9 ft at 8:30AM Mar 27, 2024Observed: 129.91 ft at 8:45AM Mar 27, 2024Observed: 129.9 ft at 9:00AM Mar 27, 2024Observed: 129.9 ft at 9:15AM Mar 27, 2024Observed: 129.9 ft at 9:30AM Mar 27, 2024Highest Observation: 130.13 ft at 9:45AM Mar 27, 2024Observed: 129.68 ft at 10:00AM Mar 27, 2024Observed: 129.54 ft at 10:15AM Mar 27, 2024Observed: 129.45 ft at 10:30AM Mar 27, 2024Observed: 129.39 ft at 10:45AM Mar 27, 2024Observed: 129.32 ft at 11:00AM Mar 27, 2024Observed: 129.27 ft at 11:15AM Mar 27, 2024Observed: 129.23 ft at 11:30AM Mar 27, 2024Observed: 129.19 ft at 11:45AM Mar 27, 2024Observed: 129.17 ft at 12:00PM Mar 27, 2024Observed: 128.76 ft at 12:15PM Mar 27, 2024Observed: 128.67 ft at 12:30PM Mar 27, 2024Observed: 128.58 ft at 12:45PM Mar 27, 2024Observed: 128.53 ft at 1:00PM Mar 27, 2024Observed: 128.43 ft at 1:15PM Mar 27, 2024Observed: 128.39 ft at 1:30PM Mar 27, 2024Observed: 128.34 ft at 1:45PM Mar 27, 2024Observed: 128.3 ft at 2:00PM Mar 27, 2024Observed: 128.28 ft at 2:15PM Mar 27, 2024Observed: 128.26 ft at 2:30PM Mar 27, 2024Observed: 128.24 ft at 2:45PM Mar 27, 2024Observed: 128.22 ft at 3:00PM Mar 27, 2024Observed: 128.22 ft at 3:15PM Mar 27, 2024Observed: 128.22 ft at 3:30PM Mar 27, 2024Observed: 128.26 ft at 3:45PM Mar 27, 2024Observed: 128.42 ft at 4:00PM Mar 27, 2024Observed: 128.28 ft at 4:15PM Mar 27, 2024Observed: 128.23 ft at 4:30PM Mar 27, 2024Observed: 128.23 ft at 4:45PM Mar 27, 2024Observed: 128.25 ft at 5:00PM Mar 27, 2024Observed: 128.2 ft at 5:15PM Mar 27, 2024Observed: 128.21 ft at 5:30PM Mar 27, 2024Observed: 128.2 ft at 5:45PM Mar 27, 2024Observed: 128.21 ft at 6:00PM Mar 27, 2024Observed: 128.19 ft at 6:15PM Mar 27, 2024Observed: 128.2 ft at 6:30PM Mar 27, 2024Observed: 128.17 ft at 6:45PM Mar 27, 2024Observed: 128.18 ft at 7:00PM Mar 27, 2024Observed: 128.17 ft at 7:15PM Mar 27, 2024Observed: 128.17 ft at 7:30PM Mar 27, 2024Observed: 128.16 ft at 7:45PM Mar 27, 2024Observed: 128.16 ft at 8:00PM Mar 27, 2024Observed: 128.15 ft at 8:15PM Mar 27, 2024Observed: 128.15 ft at 8:30PM Mar 27, 2024Observed: 128.14 ft at 8:45PM Mar 27, 2024Observed: 128.13 ft at 9:00PM Mar 27, 2024Observed: 128.13 ft at 9:15PM Mar 27, 2024Observed: 128.14 ft at 9:30PM Mar 27, 2024Observed: 128.13 ft at 9:45PM Mar 27, 2024Observed: 128.12 ft at 10:00PM Mar 27, 2024Observed: 127.98 ft at 10:15PM Mar 27, 2024Observed: 127.96 ft at 10:30PM Mar 27, 2024Observed: 127.93 ft at 10:45PM Mar 27, 2024Observed: 127.92 ft at 11:00PM Mar 27, 2024Observed: 127.9 ft at 11:15PM Mar 27, 2024Observed: 127.76 ft at 11:30PM Mar 27, 2024Observed: 127.7 ft at 11:45PM Mar 27, 2024Observed: 127.67 ft at 12:00AM Mar 28, 2024Observed: 127.63 ft at 12:15AM Mar 28, 2024Observed: 127.6 ft at 12:30AM Mar 28, 2024Observed: 127.53 ft at 12:45AM Mar 28, 2024Observed: 127.54 ft at 1:00AM Mar 28, 2024Observed: 127.53 ft at 1:15AM Mar 28, 2024Observed: 127.52 ft at 1:30AM Mar 28, 2024Observed: 127.52 ft at 1:45AM Mar 28, 2024Observed: 127.5 ft at 2:00AM Mar 28, 2024Observed: 127.48 ft at 2:15AM Mar 28, 2024Observed: 127.47 ft at 2:30AM Mar 28, 2024Observed: 127.48 ft at 2:45AM Mar 28, 2024Observed: 127.46 ft at 3:00AM Mar 28, 2024Observed: 127.47 ft at 3:15AM Mar 28, 2024Observed: 127.48 ft at 3:30AM Mar 28, 2024Observed: 127.46 ft at 3:45AM Mar 28, 2024Observed: 127.45 ft at 4:00AM Mar 28, 2024Observed: 127.46 ft at 4:15AM Mar 28, 2024Observed: 127.44 ft at 4:30AM Mar 28, 2024Observed: 127.45 ft at 4:45AM Mar 28, 2024USGS--Water Resources of the United StatesTCLA1(plotting HTIRZ) Graph Created (6:00AM Mar 28, 2024)ObservedLatest observed value: 127.45 ft at 4:45 AM CDT 28-Mar-2024. Flood Stage is 140 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
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 Holt Lock and Dam are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Bankhead Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Oliver Lock and Dam
Flood Categories (in feet)
Major Flood Stage: 158
Moderate Flood Stage: 148
Flood Stage: 140
Action Stage: 138
Low Stage (in feet): -9999

Historic Crests
(1) 156.87 ft on 12/03/1983
(2) 154.88 ft on 04/13/1979
(3) 152.30 ft on 03/20/1970
(4) 149.58 ft on 02/16/1990
(5) 148.25 ft on 04/03/2000
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 140.50 ft on 03/23/2022 (P)
(2) 140.27 ft on 03/26/2021
(3) 143.50 ft on 02/11/2020
(4) 138.95 ft on 02/22/2019
(5) 145.33 ft on 12/28/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 121.00 ft on 07/13/1974
(2) 122.20 ft on 06/08/1977
(3) 122.90 ft on 09/17/1973
Show More Low Water Records

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
160 Industrial flooding becomes severe in the area.
146 Industrial flooding becomes more serious as the Black Warrior River continues to rise.
140 Some minor flooding of low-lying areas occurs.
About This Location Collapse

Latitude: 33.252778° N, Longitude: 87.451389° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 140 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 140 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
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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
Birmingham Weather Forecast Office
465 Weathervane Road
Calera, AL 35040-5427
(205) 664-3010
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Page last modified: 2-Nov-2020 7:29 PM
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