5/9/2024
WT Staff
HAPPENING NOW
NWS: Severe storms for southwest OH
Water news for Thursday, May 9, 2024 1028 am EDT
National Weather Service Hazardous Weather Outlook issued 5 am EDT May 9
This Hazardous Weather Outlook is for east central Indiana, southeast Indiana, northeast Kentucky, northern Kentucky, central Ohio, south central Ohio, southwest Ohio and west central Ohio.
Thunderstorms this afternoon and early evening could be strong to severe. Damaging straight line winds and large hail are the primary threats. An isolated tornado cannot be ruled out. Locally heavy rain could lead to some minor flooding.
Impacting Preble-Montgomery-Greene-Pickaway-Fairfield-Butler-Warren-Clinton-Ross-Hocking-Hamilton-Clermont-Brown-Highland-Adams-Pike-Scioto Counties
Current streamflow situation provisional data from USGS streamflow monitors in Ohio
Normal to above seasonal normal streamflows continue Thursday with much above normal flows continuing in parts of Great Miami River, Scioto and Muskingum River basins, now including one much above normal rating in the Lake Erie west drainage basin, north of the state divide. All parts of the Great Miami River basin have cleared the drought map Thursday, leaving Wills Creek watershed in the Muskingum River basin at severe hydrologic drought, adjacent Little Muskingum River basin below normal and the Black-Rocky, Cuyahoga and Grand River watersheds also rated below normal.
WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
Eighty-eight streamflow gauges record flooding in the USA Thursday, up from sixty-six Wednesday. WT tracks the nation's most common natural disaster dynamics through the states of New York, Ohio, Georgia and Louisiana. As of this report, twelve sites record flooding on the network, 7 in Georgia, 5 in Louisiana.
North and central Georgia remain under tornado watch until 1 pm today with seven sites recording above flood stage in the northwest Tennessee and Coosa River watersheds of the Mississippi River drainage basin. Lookout Creek is flooding near New England on a steep upward flow trend in the Tennessee River watershed. In the Coosa River watershed, Coahulla Creek is flooding near Dalton, Holly Creek is flooding near Chatsworth, Talking Rock Creek is flooding near Hinton, Fausett Creek is flooding near Talking Rock and the Coosawattee and Cartecay Rivers are flooding near Ellijay. More to follow here as the storms roll through.
Louisiana Watershed Region 4 Sabine River flooding ended yesterday at the station near Burkeville, Sabine River continues to flood near Bon Wier, TX and near Ruliff, TX. Watershed Region 1 in the northwest continues to record flooding on two monitors, Bayou Dorcheat flooding near Springhill and Bayou Bodcau near Shreveport. Region 4 Calcasieu River continues to flood near Glenmora. See black tags on the map here.
Harmful Algal Bloom (HAB) Monitoring based on satellite images from National Centers for Coastal Ocean Science (NCCOS)
The latest image obtained from NCCOS for west basin Lake Erie was captured May 8 at a surface wind speed of 16.1 mph. The image captures a clear view of Lake Erie shorelines, islands and open water with no visible HABs. The high wind speed could be submerging HABs, though we have not observed any HAB activity since April. Click here for more information on Lake Erie HABs spotted in April.
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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