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Hydrograph River at a Glance Download
Attoyac Bayou near Chireno Stage (ft)Flow (kcfs)Observed: 14.11 ft at 7:15AM May 27, 2020Observed: 14.1 ft at 7:30AM May 27, 2020Observed: 14.09 ft at 7:45AM May 27, 2020Observed: 14.08 ft at 8:00AM May 27, 2020Observed: 14.07 ft at 8:15AM May 27, 2020Observed: 14.07 ft at 8:30AM May 27, 2020Observed: 14.06 ft at 8:45AM May 27, 2020Observed: 14.04 ft at 9:00AM May 27, 2020Observed: 14.03 ft at 9:15AM May 27, 2020Observed: 14.04 ft at 9:30AM May 27, 2020Observed: 14.02 ft at 9:45AM May 27, 2020Observed: 14.02 ft at 10:00AM May 27, 2020Observed: 14.01 ft at 10:15AM May 27, 2020Observed: 14.01 ft at 10:30AM May 27, 2020Observed: 14 ft at 10:45AM May 27, 2020Observed: 13.99 ft at 11:00AM May 27, 2020Observed: 13.99 ft at 11:15AM May 27, 2020Observed: 13.98 ft at 11:30AM May 27, 2020Observed: 13.97 ft at 11:45AM May 27, 2020Observed: 13.97 ft at 12:00PM May 27, 2020Observed: 13.96 ft at 12:15PM May 27, 2020Observed: 13.95 ft at 12:30PM May 27, 2020Observed: 13.94 ft at 12:45PM May 27, 2020Observed: 13.93 ft at 1:00PM May 27, 2020Observed: 13.92 ft at 1:15PM May 27, 2020Observed: 13.91 ft at 1:30PM May 27, 2020Observed: 13.9 ft at 1:45PM May 27, 2020Observed: 13.89 ft at 2:00PM May 27, 2020Observed: 13.88 ft at 2:15PM May 27, 2020Observed: 13.87 ft at 2:30PM May 27, 2020Observed: 13.86 ft at 2:45PM May 27, 2020Observed: 13.84 ft at 3:00PM May 27, 2020Observed: 13.84 ft at 3:15PM May 27, 2020Observed: 13.83 ft at 3:30PM May 27, 2020Observed: 13.81 ft at 3:45PM May 27, 2020Observed: 13.8 ft at 4:00PM May 27, 2020Observed: 13.79 ft at 4:15PM May 27, 2020Observed: 13.78 ft at 4:30PM May 27, 2020Observed: 13.78 ft at 4:45PM May 27, 2020Observed: 13.76 ft at 5:00PM May 27, 2020Observed: 13.75 ft at 5:15PM May 27, 2020Observed: 13.75 ft at 5:30PM May 27, 2020Observed: 13.73 ft at 5:45PM May 27, 2020Observed: 13.73 ft at 6:00PM May 27, 2020Observed: 13.72 ft at 6:15PM May 27, 2020Observed: 13.71 ft at 6:30PM May 27, 2020Observed: 13.7 ft at 6:45PM May 27, 2020Observed: 13.69 ft at 7:00PM May 27, 2020Observed: 13.68 ft at 7:15PM May 27, 2020Observed: 13.67 ft at 7:30PM May 27, 2020Observed: 13.66 ft at 7:45PM May 27, 2020Observed: 13.65 ft at 8:00PM May 27, 2020Observed: 13.65 ft at 8:15PM May 27, 2020Observed: 13.64 ft at 8:30PM May 27, 2020Observed: 13.63 ft at 8:45PM May 27, 2020Observed: 13.62 ft at 9:00PM May 27, 2020Observed: 13.62 ft at 9:15PM May 27, 2020Observed: 13.61 ft at 9:30PM May 27, 2020Observed: 13.6 ft at 9:45PM May 27, 2020Observed: 13.59 ft at 10:00PM May 27, 2020Observed: 13.58 ft at 10:15PM May 27, 2020Observed: 13.57 ft at 10:30PM May 27, 2020Observed: 13.57 ft at 10:45PM May 27, 2020Observed: 13.56 ft at 11:00PM May 27, 2020Observed: 13.56 ft at 11:15PM May 27, 2020Observed: 13.55 ft at 11:30PM May 27, 2020Observed: 13.55 ft at 11:45PM May 27, 2020Observed: 13.54 ft at 12:00AM May 28, 2020Observed: 13.54 ft at 12:15AM May 28, 2020Observed: 13.53 ft at 12:30AM May 28, 2020Observed: 13.53 ft at 12:45AM May 28, 2020Observed: 13.53 ft at 1:00AM May 28, 2020Observed: 13.52 ft at 1:15AM May 28, 2020Observed: 13.52 ft at 1:30AM May 28, 2020Observed: 13.51 ft at 1:45AM May 28, 2020Observed: 13.51 ft at 2:00AM May 28, 2020Observed: 13.51 ft at 2:15AM May 28, 2020Observed: 13.51 ft at 2:30AM May 28, 2020Observed: 13.5 ft at 2:45AM May 28, 2020Observed: 13.5 ft at 3:00AM May 28, 2020Observed: 13.49 ft at 3:15AM May 28, 2020Observed: 13.49 ft at 3:30AM May 28, 2020Observed: 13.49 ft at 3:45AM May 28, 2020Observed: 13.49 ft at 4:00AM May 28, 2020Observed: 13.48 ft at 4:15AM May 28, 2020Observed: 13.49 ft at 4:30AM May 28, 2020Observed: 13.48 ft at 4:45AM May 28, 2020Observed: 13.48 ft at 5:00AM May 28, 2020Observed: 13.48 ft at 5:15AM May 28, 2020Observed: 13.49 ft at 5:30AM May 28, 2020Observed: 13.48 ft at 5:45AM May 28, 2020Observed: 13.48 ft at 6:00AM May 28, 2020Observed: 13.48 ft at 6:15AM May 28, 2020Observed: 13.48 ft at 6:30AM May 28, 2020Observed: 13.48 ft at 6:45AM May 28, 2020Observed: 13.48 ft at 7:00AM May 28, 2020Observed: 13.47 ft at 7:15AM May 28, 2020Observed: 13.48 ft at 7:30AM May 28, 2020Observed: 13.48 ft at 7:45AM May 28, 2020Observed: 13.48 ft at 8:00AM May 28, 2020Observed: 13.49 ft at 8:15AM May 28, 2020Observed: 13.49 ft at 8:30AM May 28, 2020Observed: 13.49 ft at 8:45AM May 28, 2020Observed: 13.49 ft at 9:00AM May 28, 2020Observed: 13.5 ft at 9:15AM May 28, 2020Observed: 13.5 ft at 9:30AM May 28, 2020Observed: 13.51 ft at 9:45AM May 28, 2020Observed: 13.51 ft at 10:00AM May 28, 2020Observed: 13.51 ft at 10:15AM May 28, 2020Observed: 13.51 ft at 10:30AM May 28, 2020Observed: 13.52 ft at 10:45AM May 28, 2020Observed: 13.52 ft at 11:00AM May 28, 2020Observed: 13.53 ft at 11:15AM May 28, 2020Observed: 13.53 ft at 11:30AM May 28, 2020Observed: 13.53 ft at 11:45AM May 28, 2020Observed: 13.54 ft at 12:00PM May 28, 2020Observed: 13.54 ft at 12:15PM May 28, 2020Observed: 13.55 ft at 12:30PM May 28, 2020Observed: 13.55 ft at 12:45PM May 28, 2020Observed: 13.56 ft at 1:00PM May 28, 2020Observed: 13.57 ft at 1:15PM May 28, 2020Observed: 13.57 ft at 1:30PM May 28, 2020Observed: 13.58 ft at 1:45PM May 28, 2020Observed: 13.59 ft at 2:00PM May 28, 2020Observed: 13.6 ft at 2:15PM May 28, 2020Observed: 13.61 ft at 2:30PM May 28, 2020Observed: 13.61 ft at 2:45PM May 28, 2020Observed: 13.62 ft at 3:00PM May 28, 2020Observed: 13.63 ft at 3:15PM May 28, 2020Observed: 13.64 ft at 3:30PM May 28, 2020Observed: 13.64 ft at 3:45PM May 28, 2020Observed: 13.65 ft at 4:00PM May 28, 2020Observed: 13.65 ft at 4:15PM May 28, 2020Observed: 13.67 ft at 4:30PM May 28, 2020Observed: 13.67 ft at 4:45PM May 28, 2020Observed: 13.68 ft at 5:00PM May 28, 2020Observed: 13.69 ft at 5:15PM May 28, 2020Observed: 13.7 ft at 5:30PM May 28, 2020Observed: 13.7 ft at 5:45PM May 28, 2020Observed: 13.71 ft at 6:00PM May 28, 2020Observed: 13.72 ft at 6:15PM May 28, 2020Observed: 13.72 ft at 6:30PM May 28, 2020Observed: 13.73 ft at 6:45PM May 28, 2020Observed: 13.73 ft at 7:00PM May 28, 2020Observed: 13.74 ft at 7:15PM May 28, 2020Observed: 13.74 ft at 7:30PM May 28, 2020Observed: 13.75 ft at 7:45PM May 28, 2020Observed: 13.75 ft at 8:00PM May 28, 2020Observed: 13.76 ft at 8:15PM May 28, 2020Observed: 13.77 ft at 8:30PM May 28, 2020Observed: 13.75 ft at 8:45PM May 28, 2020Observed: 13.75 ft at 9:00PM May 28, 2020Observed: 13.75 ft at 9:15PM May 28, 2020Observed: 13.76 ft at 9:30PM May 28, 2020Observed: 13.76 ft at 9:45PM May 28, 2020Observed: 13.77 ft at 10:00PM May 28, 2020Observed: 13.77 ft at 10:15PM May 28, 2020Observed: 13.79 ft at 10:30PM May 28, 2020Observed: 13.8 ft at 10:45PM May 28, 2020Observed: 13.8 ft at 11:00PM May 28, 2020Observed: 13.81 ft at 11:15PM May 28, 2020Observed: 13.81 ft at 11:30PM May 28, 2020Observed: 13.82 ft at 11:45PM May 28, 2020Observed: 13.83 ft at 12:00AM May 29, 2020Observed: 13.83 ft at 12:15AM May 29, 2020Observed: 13.84 ft at 12:30AM May 29, 2020Observed: 13.85 ft at 12:45AM May 29, 2020Observed: 13.86 ft at 1:00AM May 29, 2020Observed: 13.87 ft at 1:15AM May 29, 2020Observed: 13.87 ft at 1:30AM May 29, 2020Observed: 13.88 ft at 1:45AM May 29, 2020Observed: 13.89 ft at 2:00AM May 29, 2020Observed: 13.89 ft at 2:15AM May 29, 2020Observed: 13.9 ft at 2:30AM May 29, 2020Observed: 13.91 ft at 2:45AM May 29, 2020Observed: 13.92 ft at 3:00AM May 29, 2020Observed: 13.93 ft at 3:15AM May 29, 2020Observed: 13.93 ft at 3:30AM May 29, 2020Observed: 13.94 ft at 3:45AM May 29, 2020Observed: 13.94 ft at 4:00AM May 29, 2020Observed: 13.95 ft at 4:15AM May 29, 2020Observed: 13.96 ft at 4:30AM May 29, 2020Observed: 13.97 ft at 4:45AM May 29, 2020Observed: 13.97 ft at 5:00AM May 29, 2020Observed: 13.98 ft at 5:15AM May 29, 2020Observed: 13.99 ft at 5:30AM May 29, 2020Observed: 14 ft at 5:45AM May 29, 2020Observed: 14 ft at 6:00AM May 29, 2020Observed: 14.01 ft at 6:15AM May 29, 2020Observed: 14.02 ft at 6:30AM May 29, 2020Observed: 14.02 ft at 6:45AM May 29, 2020Observed: 14.03 ft at 7:00AM May 29, 2020Observed: 14.04 ft at 7:15AM May 29, 2020Observed: 14.05 ft at 7:30AM May 29, 2020Observed: 14.05 ft at 7:45AM May 29, 2020Observed: 14.06 ft at 8:00AM May 29, 2020Observed: 14.06 ft at 8:15AM May 29, 2020Observed: 14.07 ft at 8:30AM May 29, 2020Observed: 14.08 ft at 8:45AM May 29, 2020Observed: 14.09 ft at 9:00AM May 29, 2020Observed: 14.1 ft at 9:15AM May 29, 2020Observed: 14.11 ft at 9:30AM May 29, 2020Observed: 14.12 ft at 9:45AM May 29, 2020Observed: 14.12 ft at 10:00AM May 29, 2020Observed: 14.13 ft at 10:15AM May 29, 2020Observed: 14.14 ft at 10:30AM May 29, 2020Observed: 14.15 ft at 10:45AM May 29, 2020Observed: 14.15 ft at 11:00AM May 29, 2020Observed: 14.16 ft at 11:15AM May 29, 2020Observed: 14.17 ft at 11:30AM May 29, 2020Observed: 14.18 ft at 11:45AM May 29, 2020Observed: 14.18 ft at 12:00PM May 29, 2020Observed: 14.19 ft at 12:15PM May 29, 2020Observed: 14.18 ft at 12:30PM May 29, 2020Observed: 14.2 ft at 12:45PM May 29, 2020Observed: 14.2 ft at 1:00PM May 29, 2020Observed: 14.2 ft at 1:15PM May 29, 2020Observed: 14.2 ft at 1:30PM May 29, 2020Observed: 14.21 ft at 1:45PM May 29, 2020Observed: 14.21 ft at 2:00PM May 29, 2020Observed: 14.21 ft at 2:15PM May 29, 2020Observed: 14.22 ft at 2:30PM May 29, 2020Observed: 14.23 ft at 2:45PM May 29, 2020Observed: 14.22 ft at 3:00PM May 29, 2020Observed: 14.23 ft at 3:15PM May 29, 2020Observed: 14.23 ft at 3:30PM May 29, 2020Observed: 14.23 ft at 3:45PM May 29, 2020Observed: 14.23 ft at 4:00PM May 29, 2020Observed: 14.23 ft at 4:15PM May 29, 2020Observed: 14.24 ft at 4:30PM May 29, 2020Observed: 14.24 ft at 4:45PM May 29, 2020Observed: 14.24 ft at 5:00PM May 29, 2020Highest Observation: 14.25 ft at 5:15PM May 29, 2020Observed: 14.24 ft at 5:30PM May 29, 2020Observed: 14.24 ft at 5:45PM May 29, 2020Highest Observation: 14.25 ft at 6:00PM May 29, 2020Observed: 14.24 ft at 6:15PM May 29, 2020Highest Observation: 14.25 ft at 6:30PM May 29, 2020Highest Observation: 14.25 ft at 6:45PM May 29, 2020Observed: 14.24 ft at 7:00PM May 29, 2020Observed: 14.24 ft at 7:15PM May 29, 2020Observed: 14.24 ft at 7:30PM May 29, 2020Observed: 14.24 ft at 7:45PM May 29, 2020Observed: 14.24 ft at 8:00PM May 29, 2020Observed: 14.24 ft at 8:15PM May 29, 2020Observed: 14.23 ft at 8:30PM May 29, 2020Observed: 14.23 ft at 8:45PM May 29, 2020Observed: 14.23 ft at 9:00PM May 29, 2020Observed: 14.23 ft at 9:15PM May 29, 2020Observed: 14.23 ft at 9:30PM May 29, 2020Observed: 14.22 ft at 9:45PM May 29, 2020Observed: 14.22 ft at 10:00PM May 29, 2020Observed: 14.22 ft at 10:15PM May 29, 2020Observed: 14.22 ft at 10:30PM May 29, 2020Observed: 14.22 ft at 10:45PM May 29, 2020Observed: 14.22 ft at 11:00PM May 29, 2020Observed: 14.22 ft at 11:15PM May 29, 2020Observed: 14.22 ft at 11:30PM May 29, 2020Observed: 14.22 ft at 11:45PM May 29, 2020Observed: 14.21 ft at 12:00AM May 30, 2020Observed: 14.21 ft at 12:15AM May 30, 2020Observed: 14.21 ft at 12:30AM May 30, 2020Observed: 14.2 ft at 12:45AM May 30, 2020Observed: 14.2 ft at 1:00AM May 30, 2020Observed: 14.2 ft at 1:15AM May 30, 2020Observed: 14.2 ft at 1:30AM May 30, 2020Observed: 14.2 ft at 1:45AM May 30, 2020Observed: 14.2 ft at 2:00AM May 30, 2020Observed: 14.2 ft at 2:15AM May 30, 2020Observed: 14.2 ft at 2:30AM May 30, 2020Observed: 14.2 ft at 2:45AM May 30, 2020Observed: 14.19 ft at 3:00AM May 30, 2020Observed: 14.19 ft at 3:15AM May 30, 2020Observed: 14.18 ft at 3:30AM May 30, 2020Observed: 14.18 ft at 3:45AM May 30, 2020Observed: 14.18 ft at 4:00AM May 30, 2020Observed: 14.18 ft at 4:15AM May 30, 2020Observed: 14.18 ft at 4:30AM May 30, 2020Observed: 14.17 ft at 4:45AM May 30, 2020Observed: 14.17 ft at 5:00AM May 30, 2020Observed: 14.17 ft at 5:15AM May 30, 2020Observed: 14.17 ft at 5:30AM May 30, 2020Observed: 14.16 ft at 5:45AM May 30, 2020Observed: 14.16 ft at 6:00AM May 30, 2020Observed: 14.15 ft at 6:15AM May 30, 2020Observed: 14.15 ft at 6:30AM May 30, 2020Highest Forecast: 13.9 ft 1:00PM May 30, 2020Forecast: 13.8 ft 7:00PM May 30, 2020Forecast: 13.6 ft 1:00AM May 31, 2020Forecast: 13.4 ft 7:00AM May 31, 2020Forecast: 13.1 ft 1:00PM May 31, 2020Forecast: 12.8 ft 7:00PM May 31, 2020Forecast: 12.4 ft 1:00AM Jun 01, 2020Forecast: 12.1 ft 7:00AM Jun 01, 2020Forecast: 11.8 ft 1:00PM Jun 01, 2020Forecast: 11.4 ft 7:00PM Jun 01, 2020Forecast: 11.1 ft 1:00AM Jun 02, 2020Forecast: 10.8 ft 7:00AM Jun 02, 2020Forecast: 10.5 ft 1:00PM Jun 02, 2020Forecast: 10.2 ft 7:00PM Jun 02, 2020Forecast: 9.9 ft 1:00AM Jun 03, 2020Forecast: 9.6 ft 7:00AM Jun 03, 2020Forecast: 9.2 ft 1:00PM Jun 03, 2020Forecast: 8.8 ft 7:00PM Jun 03, 2020USGS--Water Resources of the United StatesATBT2(plotting HGIRG) Graph Created (7:06AM May 30, 2020)ObservedForecast (issued 8:52PM May 29)Latest observed value: 14.15 ft at 6:30 AM CDT 30-May-2020. Flood Stage is 14 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 24 hours into the future from the forecast issuance time.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Attoyac Bayou near Chireno are issued as needed during times of high water, but are not routinely available.

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Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 26
Moderate Flood Stage: 22
Flood Stage: 14
Action Stage: 13.5
Low Stage (in feet): 0

Historic Crests
(1) 29.90 ft on 06/29/1902
(2) 26.01 ft on 01/30/1999
(3) 25.97 ft on 11/24/1940
(4) 25.20 ft on 07/26/1933
(5) 25.00 ft on 08/20/1915
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.65 ft on 04/10/2018
(2) 18.63 ft on 03/31/2018
(3) 19.48 ft on 02/23/2018
(4) 16.46 ft on 06/05/2017
(5) 15.65 ft on 04/07/2017
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
26 Expect flooding along several thousands of acres of the entire length of Attoyac Bayou to continue for several days.
22 Expect moderate to severe lowland flooding of timber in and near the river floodplain. The bayou will continue to remain above flood stage for several days.
21 The bayou will continue to slowly fall during the next several days, and lowland flooding will gradually decrease.
14 Expect lowland flooding for the next several days of the heavily wooded floodplain. Ranchers that have cattle and equipment near the river should move them to higher ground.
About This Location Collapse

Latitude: 31.504167° N, Longitude: 94.304167° 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 29 169.58 ft 183.58 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
During periods of possible very heavy rainfall, river forecasts may take into account precipitation amounts expected 30, 36, or even 48 hours into the future from the forecast issuance time.
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
Shreveport Weather Forecast Office
5655 Hollywood Avenue
Shreveport, LA 71109
(318) 631-3669
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