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info@wtla.us
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May 4, 2024
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4/24/2024
WT Staff
HAPPENING NOW
East and West LA rivers flowing 1 to 10 feet over flood stage
Severe drought goes on in Tangipahoa Parish
Water news for Wednesday, April 24, 2024 update 242 pm CDT
Flood Tracker provisional data from USGS streamflow monitors
Forty streamflow gauges record flooding in the USA Wednesday afternoon, down from forty-one this morning. WT tracks the nation's most common natural disaster dynamics through the states of New York, Ohio, Georgia and Louisiana. As of this report we are watching eight monitors indicating active flooding: 2 in Georgia and 6 in Louisiana.
Louisiana west border and east border flooding carries on with no expectation of ending anytime soon. In spite of the long flooding at the state border in Region 7, Tangipahoa Parish remains in severe drought mode. Spring flooding continues on the same six stations as reported Sunday with very little change in water levels overnight. Region 1 Bayou Dorcheat in the northwest remains a foot-plus over flood stage near Springhill and rising. Bayou Bodcau is slowly declining, still close to ten feet above flood stage near Shreveport. In Region 4, Sabine River is down another foot overnight near Bon Wier, currently running less than a foot and a half over flood stage, this flooding could be over by the weekend. Downstream near Ruliff, Sabine River is down a couple of inches, just north of two feet over as of this report. In Region 7, the east state border Pearl River is down a foot overnight near Bogalusa, currently recorded a foot and inches over. At the Town of Pearl River, flooding is a foot and ten inches over, same as yesterday.
Georgia finishes Day 49 of continuous flooding with one less active flood site on the radar. Alapaha River got back inside the channel at Statenville this morning, currently recording provisional depth a good six inches below minor flood stage. Downstream near Jennings, flow level is down a couple of inches, less than a foot of overflow at 6790 cubic feet per second. In the Atlantic basin, Satilla River has come down three inches since the initial report this morning, running seven inches over flood stage late afternoon.
The high fire danger statement issued for interior NYS yesterday has passed. Even without the drought conditions, the NWS found cause to warn of high fire risk, in part due to dry fuels, part due to wind and the inversion of relative humidity and temperature making for dangerous conditions for outdoor burning. As of midweek, NWS has not updated a fire statement. NYS records no active flooding as of this report, the same station runs 99th percentile on Long Island, Swan River is high flow at East Patchogue.
Ohio is back on a freeze warning from National Weather Service as a cold front hovers around Lake Erie. Frost is expected tonight and possibly again tomorrow night in the northern counties of the Lake Erie drainage basin. As of this report, there is no active flooding recorded in the network of streamflow gauges in Ohio, no extreme high or low flows, no part of Ohio is rated below normal or any degree of drought.
See black tags on the map for active flood, blue for high flow, 99th percentile or more.
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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