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WT Staff

Wednesday, May 29, 2024

May 29, 2024 934 am EDT

HABs in New York
National Centers for Coastal Ocean Science (NCCOS) HAB monitoring program uploads a new satellite photo of Lake Champlain daily for interpretation of harmful algal bloom (HAB) presence, extent and concentration. The latest image was captured May 28 at unknown surface wind speed, this image is completely cloud obscured. An image taken May 26 allows view to water and shorelines between cloud breaks with no HAB activity visible. Any HAB observed in these photos is matched with a color scale for concentration given in cells per 100 ml sample. See the latest HAB Tracker report here.

WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors

Forty-five streamflow gauges are recording above flood stage across the USA Wednesday, up from forty-one floodings observed yesterday. Two cases are observed in the WT coverage area, one in Georgia, and one in Louisiana.

Louisiana Region 1 Bayou Bodcau retired from active flooding near Shreveport overnight. NWS forecast calls for thunderstorms with possibility of localized flooding in northwest LA today and tomorrow. Region 4 border river Sabine continues flooding nine inches above the channel near Ruliff, TX. See black tag indicating flow volume and gauge height, flows updated daily here.

Georgia: Atlantic basin's Satilla River continues to flood a foot and a half out of the channel in Atkinson County, down half a foot overnight on a steady declining flow trend. See black tag indicating flow volume and gauge height, flows updated daily 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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