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Advanced Hydrologic Prediction Service
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This probabilistic forecast is issued by the West Gulf River Forecast Center.
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About this graph
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
Zoom Level:16
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) 19.51 ft on 05/01/2021
(2) 20.60 ft on 02/22/2020
(3) 19.65 ft on 05/21/2019
(4) 19.98 ft on 12/29/2018
(5) 20.48 ft on 12/10/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
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.
19 Expect minor lowland flooding of boat ramps and pastures. Move livestock and equipment to higher ground.
16 Expect flooded paths and secondary roadways. Move livestock and equipment to higher ground.
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.

Other Real-time and/or Archive Data Sources:

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.
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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Page last modified: 2-Nov-2020 7:29 PM
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