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6/16/2024
WT Staff
 WEEKEND WATER REPORT
Sunday, June 16, 2024
Extreme drought continues in Region 3
June 16, 2024 1020 am CDT
Current Streamflows from the USGS network of gauges in Louisiana
Shreveport forecast office of the National Weather Service calls for a 50 percent chance of showers and thunderstorms, mainly after 11am today. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms will add to the already saturated ground, contribute runoff to the flooding Sabine River and Region 1 Bayou Bodcau Lake. Later tonight, chance of showers falls to 40 percent chance of showers and thunderstorms mainly after 3am.
Monday presents 80% chance of showers with new rainfall amounts between a half and three quarters of an inch possible, a large amount of runoff expected to collect in the waterways.
Streamflows continue to run much above seasonal normal to high in Region 1 and 4, in light of the forecast, no change in sight. The northeast area bordering Mississippi is still experiencing much below normal flows in the Tensas River, this area along the channel in Region 3 remains at extreme hydrologic drought rating on Sunday. In the east, Region 7 Tangipahoa River continues at much below normal flow levels, with most of Tangipahoa Parish rated severe drought. There are no extreme low flows recorded on the network at the time of this report. Four reference points in the streamflow network indicate above flood stage, see below.
WT USA Flood Tracker provisional data from the network of USGS streamflow monitors
Thirty streamflow gauges record flows above flood stage through the US monitoring network Sunday, up from twenty-nine yesterday. WT USA follows the water levels and volume on four of these reference flood events, and all four occurring in the state of Louisiana.
Louisiana: West state border Sabine River got back out of the channel around 9pm Saturday night near Logansport, currently recorded half a foot over minor flood stage running 22600 cubic feet per second. The volume downstream near Bon Wier is 31000 cfs and nine inches over minor flood stage on a steady receding trend. Closer to the Gulf outlet near Ruliff the water level is still more than two feet above the channel and 41600 cfs. Region 1 Bayou Bodcau Lake continues to recede slowly, down another three inches over the last twenty-four hours, currently recorded three and a half feet above the basin near Shreveport. For more info on the flooding in Louisiana, see black tags indicating flood flow volume and gauge height updated daily on the map to the right.
As many drinking water facilities are supplied from surface water reservoirs, the streamflow situation is pertinent to both drinking water supply and quality. High flows can stir up sediment and cause turbidity in the reservoirs, requiring additional treatments to render the water potable. Low flow volume is linked to warmer temperatures in the reservoir and can be an issue for water quality where HABs are present. WT tracks streamflow trends with an eye to the impacts on drinking water supply and quality in each of the state's watersheds. Check the watershed layer on the map to see the direction of flow and streamflows that may be impacting drinking water today.
USGS Provisional Data Statement
Data are provisional and subject to revision until they have been thoroughly reviewed and received final approval. Current condition data relayed by satellite or other telemetry are automatically screened to not display improbable values until they can be verified.
Provisional data may be inaccurate due to instrument malfunctions or physical changes at the measurement site. Subsequent review based on field inspections and measurements may result in significant revisions to the data.
Data users are cautioned to consider carefully the provisional nature of the information before using it for decisions that concern personal or public safety or the conduct of business that involves substantial monetary or operational consequences. Information concerning the accuracy and appropriate uses of these data or concerning other hydrologic data may be obtained from the USGS.
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