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5/4/2024
WT Staff
WEEKEND WATER REPORT
Calcasieu River flooding near Kinder
NWS: A week of storms for northwest and north central LA
Water news for Saturday, May 4, 2024 216 pm EDT
National Weather Service Hazardous Weather Outlook issued 335 am May 4
Isolated to scattered showers and thunderstorms will be possible today. Look for strong wind gusts, cloud to ground lightning and locally heavy rainfall where strong storms develop today. The storms should diminish in coverage and intensity this evening. After midnight, a complex of strong storms will move eastward into
Northeast Texas, Southeast Oklahoma and Southwest Arkansas. These storms will have the capability once again to produce strong wind gusts and locally heavy rainfall after midnight towards sunrise Sunday Morning.
Thunderstorms will become widespread across the region on Sunday as an upper level storm system moves overhead. There will be a possibility of strong wind gusts and locally heavy rainfall with the strongest storms on Sunday.
The next round of strong to severe thunderstorms will likely hold off until late Wednesday into Thursday and Thursday Night. A cold front will begin pushing into the region from the northwest and strong to severe thunderstorms will be possible along and in advance of this
feature. In addition to severe weather chances, locally heavy rainfall will also be likely late Wednesday through late Thursday.
Impacting Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-Caldwell-La Salle Parishes.
WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
Eighty-four streamflow gauges record flooding in the USA Saturday, down from ninety-three Friday. WT tracks the nation's most common natural disaster dynamics through the states of New York, Ohio, Georgia and Louisiana. As of this report, a new flood event has started in Louisiana, there are currently six active floodings on our radar, all recorded in Louisiana.
Region 4 watershed runs from the west Louisiana border with Texas starting at DeSoto Parish, draining surface area through Sabine, Vernon, Beauregard, Calcasieu and west Cameron, also including west Rapides, west Allen and northwest Jefferson Davis Parishes. This watershed has been on the national flood map for months with Sabine and Calcasieu Rivers flooding on an off since the end of January. Sabine River breached major flood stage for a brief period mid-April. Calcasieu River has breached minor flood stage five times near Glenmora since the end of January. As of this report, Calcasieu River runs a foot and nine inches over minor flood stage near Glenmora, now also flooding at downstream Kinder, since around 730 this morning. Sabine River is also recorded flooding at two stations, near Bon Wier, TX and also near Shreveport, TX. In the northwest LA, watershed Region 1, Bayou Dorcheat and Bayou Bodcau are still flooding near Springhill and Shreveport, respectively.
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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