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833.344.1114
info@wtga.us
May 19, 2024
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5/3/2024
WT Staff
HAPPENING NOW
Below normal streamflows in north and central state may be relieved by thunderstorms this afternoon
Severe drought rating hits lower Ocmulgee River watershed
Water news for Friday, May 3, 2024 updated 107 pm EDT
National Weather Service Hazardous Weather outlook issued 1217 pm EDT May 3
For portions of north and central Georgia:
Isolated to widely scattered showers and thunderstorms are expected this afternoon and evening. Locally heavy rainfall, frequent lightning, and brief gusty winds are possible in any stronger thunderstorms that develop.
Several rounds of showers and thunderstorms are expected Saturday through Monday. Isolated to scattered showers and thunderstorms are possible across portions of north Georgia on Tuesday through Thursday.
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 Streamflow provisional data from USGS streamflow gauges in Georgia
Drought hardens in the Atlantic basin of central Georgia overnight as the lower Ocmulgee River watershed 7-day average streamflow values pitch south Laurens County, west Wheeler, east Dodge and north Telfair into a state of severe drought Friday. This same area was rated moderate drought yesterday. Drought-stricken area in Savannah and Ogeechee River watersheds has expanded overnight to include east Washington, Hancock and Greene Counties. The Upper Savannah River watershed remains below normal as seen previously this week. For the Mississippi/Gulf of Mexico side of the drainage divide, Upper Chattahoochee, Upper Flint, Coosa, Tallapoosa and Tennessee Rivers watersheds remain below normal to the same degree as reported yesterday. For details, click here.
The current streamflow picture for Georgia shows an increased number of river monitors indicating below seasonal normal in the north and central state with one station recording an extreme low level. Tobesofkee Creek collects surface runoff from 182 square miles in north Bibb, Monroe and southeast Lamar Counties. A dam on this creek impounds Tobesofkee Lake. The flow monitoring station near Macon is currently recording 1st percentile water level between controlled releases from the dam, levels ten times lower than what this flow looks like at the high end of the scale. The last time we saw this monitor recording 99th percentile flow, it was running over sixteen feet deep, this morning the water level between releases is maintained at 1.8 ft.
The predominant streamflow rating in the south is seasonal normal.
WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
Ninety-three streamflow gauges record flooding in the USA Friday, up from sixty-eight on Thursday. WT tracks the nation's most common natural disaster dynamics through the states of New York, Ohio, Georgia and Louisiana. As of this report there are five active floodings recorded in Louisiana.
In the northwest, watershed Region 1 Bayou Dorcheat is back on the flood sheet Friday, the monitor recording provisional readings near Springhill indicating flood stage breached around 10 pm last night, currently heading up to two inches over flood stage. Bayou Bodcau continues to flood near Shreveport, still on a slowing trend and down a couple of inches in the last twenty four hours. A high flow 99th percentile is recorded on Cypress Bayou near Keithville, the flood stage is not established here.
Sabine River is back to flooding near Bon Wier, TX as of around 530 am CDT this morning, currently an inch over flood stage on a rising trend. Sabine River continues to flood in the lower end near Ruliff, TX, no change to the water level there in the last twenty four hours. Calcasieu River is up overnight near Glenmora in Region 4, running a foot and four inches over flood stage.
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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