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4/23/2024
WT Staff
HAPPENING NOW
Six stations record flooding
Tangipahoa Parish severe drought
Water news for Tuesday, April 23, 2024 913 am CDT
Flood and flow Tracker provisional data from USGS streamflow monitors
Forty-one streamflow gauges record flooding in the USA Tuesday, down from forty-eight Monday. 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 the same 9 monitors indicating active flooding as reported yesterday: 3 in Georgia and 6 in Louisiana.
Louisiana records an area of severe drought this week, the Tangipahoa River channel passing through Tangipahoa Parish has been rated on the drought map at below normal, moderate drought, escalated to severe drought yesterday as the 7-day average streamflow is compared with the historic average for this date.
Louisiana flooding remains as reported Sunday, the same six sites continue to flood Tuesday. Region 1 Bayou Dorcheat rose overnight, up three inches near Springhill. Bayou Bodcau has begun to decline, still ten feet above flood stage near Shreveport. In Region 4, Sabine River is down a foot overnight, running two and a half feet over flood stage near Bon Wier, TX. Further downstream near Ruliff, Sabine River remains two and a quarter feet over the channel. In Region 7, the east state border Pearl River is down overnight, currently recorded less than two feet over flood stage near Bogalusa, and around the same level as reported yesterday, one foot ten inches over downstream at Town of Pearl River.
Georgia's enters Day 48 of continuous flooding, sitting with the same three active floods monitored on the USGS network over the weekend and yesterday. Alapaha River has come down by inches overnight, still ten inches over flood stage at at Statenville, flow remains the same foot and a half over flood stage near Jennings, FL. In the Atlantic basin, Satilla River continues to recede, down to 14.34 feet, still flooding the roads around the KOA campground at Atkinson. As flooding begins at 13 ft, this site has more than a foot and four inches to go for flooding to end.
Ohio is back on a freeze warning from National Weather Service as a cold front hovers around Lake Erie. Frost is expected 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.
New York 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.
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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