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5/15/2024
WT Staff
HAPPENING NOW
Isolated thunderstorms for north and central Georgia until 8 pm
Withlacoochee River flooding near Bemiss
Water news for Wednesday, May 15, 2024 updated 1220 pm EDT
National Weather Service Hazardous weather outlook issued 346 am EDT May 15
For north and central Georgia:
Isolated thunderstorms will occur in the region through 8 PM this evening.
Widespread shower and thunderstorm activity return to Georgia Friday and Saturday. At this time the probability of severe weather on either day remains low. Isolated thunderstorms could occur Sunday, Monday and Tuesday.
Impacting Baldwin-Banks-Barrow-Bartow-Bibb-Bleckley-Butts-Carroll-Catoosa-Chattahoochee-Chattooga-Cherokee-Clarke-Clayton-Cobb-Coweta-Crawford-Crisp-Dade-Dawson-DeKalb-Dodge-Dooly-Douglas-Emanuel-Fannin-Fayette-Floyd-Forsyth-Gilmer-Glascock-Gordon-Greene-Gwinnett-Hall-Hancock-Haralson-Harris-Heard-Henry-Houston-Jackson-Jasper-Jefferson-Johnson-Jones-Lamar-Laurens-Lumpkin-Macon-Madison-Marion-Meriwether-Monroe-Montgomery-Morgan-Murray-Muscogee-Newton-North Fulton-Oconee-Oglethorpe-Paulding-Peach-Pickens-Pike-Polk-Pulaski-Putnam-Rockdale-Schley-South Fulton-Spalding-Stewart-Sumter-Talbot-Taliaferro-Taylor-Telfair-Toombs-Towns-Treutlen-Troup-Twiggs-Union-Upson-Walker-Walton-Warren-Washington-Webster-Wheeler-White-Whitfield-Wilcox-Wilkes-Wilkinson Counties.
Current Streamflows, Drought Map from the USGS network in Georgia
Streamflows are up all over the place Wednesday with one flood event recorded. Suwannee tributary Withlacoochee River breached flood stage at Skipper Bridge Rd near Bemiss in the early evening yesterday. This flow heads for the Gulf of Mexico as its outlet. Elsewhere around the state, north Georgia streamflows run above normal to much above normal through the Tennessee, Coosa and Upper Chattahoochee River watersheds, normal values recorded through Fulton County and Atlanta area, shifting much above normal to high through the central west side and southwest lower Flint, Ochlockonee and Suwannee watersheds. On the Atlantic side of the divide, we see the Oconee, St Mary's, Savannah and Ogeechee River watersheds posting above normal flows, Ocmulgee runs normal, while the Satilla records two locations at 95th percentile, much above the seasonal norm.
WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
Sixty-seven streamflow gauges record flooding in the USA Wednesday mid-morning, up from sixty-six earlier today. WT tracks the nation's most common natural disaster dynamics through the states of New York, Ohio, Georgia and Louisiana. As of this report, eleven sites record flooding on the network, one in Georgia, ten in Louisiana.
Georgia sparked up a new flood incident overnight in the deep south. Gulf of Mexico basin's Suwannee River watershed is registering a flow two feet above flood stage on the Withlacoochee River at Skipper Bridge Rd near Bemiss as of early evening yesterday. NWS forecasts more isolated thunderstorms through north and central Georgia today and through the rest of this week, possibly including the weekend. See black tags for flood flow details, blue tags for 99th percentile high flows on the map to the right.
Louisiana flooding increased from six to eight locations yesterday, and increased again this morning from eight up to ten floodings on the USGS network of streamflow gauges. In Region 2, Little River broke out of the channel near Rochelle around 830 am, on a steady upward trend. Pearl River breached flood stage near Bogalusa a bit earlier, around 8 am this morning in Region 7. Pearl River is currently running on an upward flow trend. In watershed Region 4, Sabine River flooding has expanded upstream near Burkeville, breaching flood stage 36 ft yesterday afternoon. Flow here looks to have peaked in minor flood stage and may start to slow down this afternoon. Sabine continues to flow more than four feet out of the channel downstream near Bon Wier, well into moderate flood stage downstream near Ruliff on a steep rising trend. Bayou Anococo flooding has peaked and slowly receding near Rosepine. Calcasieu River is flooding near Glenmora, just under the two foot above flood stage mark on a receding trend. Downstream near Oberlin, Calcasieu has peaked in moderate flood stage, just short of three and a half feet out of the channel and slowly receding. Bundick Creek continues to run high near DeRidder. In Region 7, the Tchefuncte River is no longer running 99th percentile flow near Folsom. Watershed Region 1 Bayou Bodcau came down a few inches overnight near Shreveport, currently registering four feet one inch out of the channel. See black tags indicating flow volume and gauge height, blue tags for 99th percentile flows updated daily here.
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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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