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
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Coosa River at Logan Martin Dam Pool (ft)Observed: 464.7 ft at 12:00PM Sep 18, 2018Observed: 464.7 ft at 1:00PM Sep 18, 2018Observed: 464.7 ft at 2:00PM Sep 18, 2018Observed: 464.68 ft at 3:00PM Sep 18, 2018Observed: 464.82 ft at 4:00PM Sep 18, 2018Observed: 464.84 ft at 5:00PM Sep 18, 2018Observed: 464.79 ft at 6:00PM Sep 18, 2018Observed: 464.86 ft at 7:00PM Sep 18, 2018Observed: 464.87 ft at 8:00PM Sep 18, 2018Observed: 464.88 ft at 9:00PM Sep 18, 2018Observed: 464.96 ft at 10:00PM Sep 18, 2018Highest Observation: 464.98 ft at 11:00PM Sep 18, 2018Highest Observation: 464.98 ft at 12:00AM Sep 19, 2018Observed: 464.96 ft at 1:00AM Sep 19, 2018Observed: 464.74 ft at 2:00AM Sep 19, 2018Observed: 464.8 ft at 3:00AM Sep 19, 2018Observed: 464.85 ft at 4:00AM Sep 19, 2018Observed: 464.82 ft at 5:00AM Sep 19, 2018Observed: 464.83 ft at 6:00AM Sep 19, 2018Observed: 464.81 ft at 8:00AM Sep 19, 2018Observed: 464.8 ft at 9:00AM Sep 19, 2018Observed: 464.74 ft at 10:00AM Sep 19, 2018Observed: 464.74 ft at 11:00AM Sep 19, 2018Observed: 464.77 ft at 12:00PM Sep 19, 2018Observed: 464.76 ft at 1:00PM Sep 19, 2018Observed: 464.74 ft at 2:00PM Sep 19, 2018Observed: 464.74 ft at 3:00PM Sep 19, 2018Observed: 464.75 ft at 4:00PM Sep 19, 2018Observed: 464.8 ft at 5:00PM Sep 19, 2018Observed: 464.79 ft at 6:00PM Sep 19, 2018Observed: 464.74 ft at 7:00PM Sep 19, 2018Observed: 464.74 ft at 8:00PM Sep 19, 2018Observed: 464.74 ft at 9:00PM Sep 19, 2018Observed: 464.81 ft at 10:00PM Sep 19, 2018Observed: 464.86 ft at 11:00PM Sep 19, 2018Observed: 464.86 ft at 12:00AM Sep 20, 2018Observed: 464.88 ft at 1:00AM Sep 20, 2018Observed: 464.8 ft at 2:00AM Sep 20, 2018Observed: 464.91 ft at 3:00AM Sep 20, 2018Observed: 464.88 ft at 4:00AM Sep 20, 2018Observed: 464.75 ft at 5:00AM Sep 20, 2018Observed: 464.75 ft at 6:00AM Sep 20, 2018Observed: 464.8 ft at 8:00AM Sep 20, 2018Observed: 464.8 ft at 9:00AM Sep 20, 2018Observed: 464.78 ft at 10:00AM Sep 20, 2018Observed: 464.8 ft at 11:00AM Sep 20, 2018Observed: 464.78 ft at 12:00PM Sep 20, 2018Observed: 464.74 ft at 1:00PM Sep 20, 2018Observed: 464.74 ft at 2:00PM Sep 20, 2018Observed: 464.68 ft at 3:00PM Sep 20, 2018Observed: 464.74 ft at 4:00PM Sep 20, 2018Observed: 464.8 ft at 5:00PM Sep 20, 2018Observed: 464.76 ft at 6:00PM Sep 20, 2018Observed: 464.72 ft at 7:00PM Sep 20, 2018Observed: 464.75 ft at 8:00PM Sep 20, 2018Observed: 464.89 ft at 9:00PM Sep 20, 2018Observed: 464.96 ft at 10:00PM Sep 20, 2018Observed: 464.91 ft at 11:00PM Sep 20, 2018Observed: 464.91 ft at 12:00AM Sep 21, 2018Highest Observation: 464.98 ft at 1:00AM Sep 21, 2018Observed: 464.81 ft at 2:00AM Sep 21, 2018Observed: 464.79 ft at 3:00AM Sep 21, 2018Observed: 464.79 ft at 4:00AM Sep 21, 2018Observed: 464.82 ft at 5:00AM Sep 21, 2018Observed: 464.82 ft at 6:00AM Sep 21, 2018Observed: 464.79 ft at 8:00AM Sep 21, 2018Observed: 464.79 ft at 9:00AM Sep 21, 2018Observed: 464.74 ft at 10:00AM Sep 21, 2018CCSA1(plotting HPIRZ) Graph Created (11:15AM Sep 21, 2018)ObservedLatest observed value: 464.74 ft at 10:00 AM CDT 21-Sep-2018. Flood Stage is 467 ft
Printable Image
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 Coosa River at Logan Martin Dam are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - at Neely Henry Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Childersburg
Flood Categories (in feet)
Major Flood Stage: 475
Moderate Flood Stage: 470
Flood Stage: 467
Action Stage: 465.5
Low Stage (in feet): 453.5

Historic Crests
(1) 475.31 ft on 04/06/1977
(2) 473.05 ft on 02/18/1990
(3) 472.61 ft on 03/19/1980
(4) 472.52 ft on 10/06/1995
(5) 472.49 ft on 03/19/1990
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 467.66 ft on 02/26/2016 (P)
(2) 468.86 ft on 05/08/2013 (P)
(3) 470.55 ft on 03/12/2011 (P)
(4) 467.03 ft on 11/13/2009
(5) 469.86 ft on 01/09/2009
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 458.27 ft on 10/17/1972

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
475 Extensive lakeside flooding occurs. Many access roads flood...as well as many permanent residences.
473.5 Some flooding of permanent structures occurs around the lake.
467 Flooding of some boathouses and docks around the lake occurs.
465 Some minor flooding of lakeside property...including piers and boat ramps...occurs.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
453.5 Ft Bottom of conservation pool.
About This Location Collapse

Latitude: 33.409167° N, Longitude: 86.338056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 467 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 467 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:

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
Birmingham Weather Forecast Office
465 Weathervane Road
Calera, AL 35040-5427
(205) 664-3010
Ask Questions/Webmaster
Page last modified: 21-Dec-2016 5:20 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities