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3/13/2024
WT Staff
HAPPENING NOW
NWS: Fire danger, flood advisory
Savannah River flooding near Millhaven, Oconee River flooding at Mount Vernon
Water news for Wednesday, March 13, 2024 753 am EDT
National Weather Service Hazardous Weather Outlook issued 412 am March 13
This Hazardous Weather Outlook is for portions of North and Central Georgia.
A Fire Danger Statement is in effect through 8 PM this evening due to low relative humidities and dry fuels for portions of far east and central Georgia. Please use caution and check with local
authorities before attempting any burns.
Portions of the Ocmulgee, Oconee, and Chattahoochee Rivers remain in flood across central Georgia. Please use caution around flooded areas, and do not drive through any flooded roadways.
Periods of thunderstorm activity are forecast in the region between Thursday night and Sunday evening. Some storms may become strong to severe on Friday. A Marginal Risk (Level 1 of 5) for severe storms is in effect for portions of west Georgia on Friday.
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
Streamflow Situation provisional data from USGS current streamflow monitors
Twenty-five streamflow monitors record active flooding Wednesday, up from twenty-three Tuesday. Savannah River breached minor flood stage around 9 pm last night at Burtons Ferry Road near Millhaven.
Timeline of a river flood: Oconee River vs Savannah River
Oconee River flooding started on March 6 around 7pm, USGS provisional data recorded the first channel breach at the monitoring station in the upper Oconee River watershed near Penfield. Downstream at Avant Mine, flood stage was breached 36 hours later, on March 8 around 8 am. In less than 19 hours, flooding began near Oconee, recorded Mar 9 at around 230 am. Downstream at Dublin, flooding started up on a 52 hour delay, beginning Mar 11 7 am. Last evening, Mar 12 around 8 pm, Oconee River breached flood stage at Mount Vernon, a 37 hour time lapse.
Savannah River flooding progressed in reverse of what we see on the Oconee River during this current event. The recent breach on Savannah River around 8 pm last night is upstream of the where flooding initially broke out near Cylo around 5 pm on March 10. The channel depth may have something to do with this, minor flood stage near Cylo is 11 ft, where upstream near Millhaven the channel is 15 ft deep. The time lapse between the two breaches, downstream to upstream, 52 hours.
Flint River flooding is over at the top end Griffin and mid-channel Carsonville. Flint flooding continues downstream at Albany, feeding high water volume into Lake Seminole along with three more flooding tributaries, altogether running up the overflow of Apalachicola River at Chattahoochee, FL.
On the Atlantic basin side of the state divide, the Ocmulgee River continues to spill over at Hawkinsville and Abbeville, throwing that higher water volume in with the flooding Oconee River, overwhelming the channels that no longer contain their combined flow, the Altamaha River, flooding on near Charlotteville and Baxley.
Ogeechee River continues to flood at Midville and Eden, Ohoopee River is still flooding at Reidsville, Canoochee River floods on at Claxton, Little Satilla River is over near Offerman. Next in line to flood, Altamaha River at Doctortown and Everett City, not necessarily in that order. So far, these stations have not reached 99th percentile. More to follow.
Check black tags on the map for flood levels updated throughout the day, blue tags for high flow.
Drinking Water Advisories
The Waleska Water Authority issued a boil water advisory for the Silver Creek subdivision near Canton due to low pressure last week Thursday.
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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