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5/22/2024
WT Staff
HAPPENING NOW
Wednesday, May 22, 2024
NWS: Days of severe weather ahead
May 22, 2024 updated 116 pm CDT
Hazardous Weather outlook issued 323 am Wednesday May 22
This Hazardous Weather Outlook applies to north central Louisiana, northwest Louisiana:
Strong to severe thunderstorms will become widespread late this afternoon, into the evening and overnight hours across much of the
Four State Region. Large hail, damaging thunderstorm wind gusts and locally heavy downpours will be the primary threats with an isolated
tornado threat as well. The severe weather threat should end from northwest to southeast across the Four State Region overnight
tonight. While widespread flooding is not likely through tonight, flooding of low lying and flood prone areas will be possible with
heavy downpours through tonight.
Severe weather will be possible once again late Thursday into Thursday Night, late Friday into Friday Night and again late in the
day on Saturday across mainly portions of Northeast Texas, Southeast Oklahoma and Southwest Arkansas. Large hail and damaging
thunderstorm wind gusts will again be the main threats Thursday, Friday and Saturday.
A strong cold front will move through the region on Memorial Day and Monday Night bringing with it another chance of thunderstorms. Before
the cold front arrives late on Monday, we will see some of the hottest temperatures of the late Spring Season with afternoon high
temperatures both Saturday and Sunday in the lower to middle 90s. Combine this with high afternoon humidity and heat indices could
approach 105 degrees across some locations.
Spotter activation will be likely later this afternoon and into the late evening and early overnight periods tonight with the development
of severe thunderstorms.
Impacting Columbia-Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-Caldwell-La Salle Parishes
Drinking Water Advisories
Calcasieu Parish Waterworks District 1: Moss Bluff came under BWA yesterday due to loss of pressure in the water lines. Customers connecting at Park Rd from Pinecone Dr to Waynewood Drive, Stafford Road from Drain Ditch to Park Road, Empress Drive, West and East Bristol Drive and New Castle Drive are impacted. The boil order is in effect until further notice.
See more current drinking water advisories on the map to the right, yellow tags.
WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
As of this report, sixty-eight sites record flooding on the USGS network through the USA with eighteen happening in WT coverage area. The nation's most common disaster is recorded through south Georgia, presenting a sample of nine stations recording flooding. Louisiana has dropped one flood event this morning, currently recorded in flood stage at nine sites in the network.
Louisiana is down one flood incident in Region 5 watershed as expected, Bayou Nezpique got back in line with the natural channel near Basile at LA 190 just ahead of the noon hour today. South in Region 5, Mermentau River maintains six inches over flood stage at Mermentau. Region 1 watershed's Bayou Bodcau continues to recede in the face of a severe weather advisory calling for locally heavy downpours this evening and overnight. Bayou Bodcau picks up rainfall shed from 668 square miles of east Bossier Parish and southwest Arkansas, where the weather alert applies. Bayou Bodcau reached a peak flow ten feet above the basin on April 21, has been steadily receding since, currently less than two feet over the basin. Flooding in Region 4 continues at the Texas border with Sabine River flooding near Bon Wier, TX and downstream near Ruliff, TX. Calcasieu River continues to run more than a foot over the channel in three monitored locations midweek: in the upper channel near Glenmora, downstream near Oberlin and near Kinder. In Region 7, Pearl River is up three inches overnight, currently a foot and a half above flood stage near Bogalusa, downstream less than a foot over at the Town of Pearl River. See black tags indicating flooding on the map to the right, flow volume and gauge height updated daily.
Georgia: Flooding has shifted downstream in the Atlantic Ocean basin. Satilla River breached flood stage at Atkinson Tuesday afternoon, currently running seven to eight inches above the channel and rising. Flooding continues upstream on Satilla River at GA158 and at another station downstream near Waycross. Tributaries Alabaha, Little Satilla continue to flood at GA203 near Blackshear and near Offerman, respectively. Savannah River is receding near Cylo, running a foot and three inches above the channel. Gulf Basin flooding is tapering off midweek. Ochlockonee River flooding knocked off near Thomasville Tuesday afternoon while downstream at Concord the flow peaked in moderate flood stage. As of this report, Ochlockonee River is coming out of moderate flood stage, still two feet above the channel. Withlachoochee River continues flooding, still three feet over the channel at Skipper Bridge Rd near Bemiss, close to five feet over the channel and at US84 near Quitman. See black tags indicating flow volume and gauge height here.
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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