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4/1/2024
WT Staff
HAPPENING NOW
WT US network flood update - Ohio under flood watch
Calcasieu River flooding near Glenmora
Water news for Monday, April 1, 2024 update 234 pm CDT
Flood Tracker provisional data from USGS streamflow monitors
Twenty-six streamflow gauges record flooding in the USA Monday afternoon, down from twenty-nine this morning. WT tracks the nation's most common natural disaster dynamics through New York, Ohio, Georgia and Louisiana. As of this report, nine monitors indicate active flooding; 5 in Georgia and 4 in Louisiana, 1 flood occurring in Ohio this morning is now back inside the channel.
In Louisiana, provisional data has Calcasieu River flowing half a foot above flood stage overnight near Glenmora. Could this be an April Fools Day trick? According to the flow volume plotted against time graph, flood stage was breached at midnight. We will verify this information with USGS and update here. In Region 1 northwest LA, Bayou Bodcau shows itself five and three quarter feet above flood stage near Shreveport. Pearl River on the east state border runs two feet over flood stage near Bogalusa in Washington Parish and a foot over at downstream Town of Pearl River in St. Tammany Parish.
Georgia, Day 26: Gulf of Mexico basin Ochlockonee River stopped flooding near Concord, Florida yesterday just before 5 pm, currently running a couple of inches under flood stage. Suwannee River tributary Withlachoochee River tucked back into the channel at Skipper Bridge Road near Bemiss around 5 am this morning. On the Atlantic side of the drainage divide, Altamaha and tributary Ohoopee Rivers are still flooding near Baxley and Reidsville respectively. Savannah River is still flooding two feet three inches over near Cylo and the Little Satilla and Satilla Rivers are still flooding nine inches over and two feet over flood stage near Offerman and Atkinson, respectively.
Ohio flood watch A flood watch is in effect from 2 pm today until tomorrow evening. Multiple rounds of thunderstorms are forecast for afternoon and evening Monday into Tuesday.The current streamflow map has twelve extreme high flows running in a band from west to east through the center of the state. More to follow.
See black tags on the map for active flood, blue for high flow, 99th percentile or more.
New York State streamflows dip below normal Monday in Lower Hudson and Delaware River watersheds, as Chemung and Susquehanna watersheds drop further below normal, very few normal rated flows remain in the west interior, trending to much below seasonal normal values. Just two stations register flows above 90th percentile Monday, one in the Upper Hudson watershed and one on Long Island. Moderate hydrologic drought remains on Alleghany River watershed in the southwest with Oswego River - Finger Lakes, Chemung and Genesee Rivers watersheds remaining below normal on the drought map Monday.
Harmful Algal Bloom from the satellite monitoring program of the National Centers for Coastal Ocean Science (NCCOS)
The latest HAB satellite surveillance image of southeast LA was captured March 31 at surface wind speed 4.2 mph. This image is mostly cloud obscured, with no sign of HAB activity visible in open water of Lake Pontchartrain, Maurepas or Salvador. All other water bodies are completely cloud obscured. A previous image captured March 29 at wind speed 2.3 mph shows Black Bay with widespread HAB 100 to 200 thousand cells per 100 ml. Lac des Allemands and Bayou Fortier show up widespread HABs matching the color scale for 500 thousand cells per 100 ml.
Drinking Water Advisories
March 30 - New Orleans Precautionary boil water advisory issued for customers in the Lower 9th Ward and parts of Holy Cross and the Bywater neighborhoods after a water main break.
March 28 Tallulah - The Walnut Bayou Water System issued a boil advisory for 772-2260 Hwy 80 West, 335 Gregory Rd, Butts Dr, 126 Cox Rd, 149 Hilderbrand Rd, Eldorado Plantation Dr, Averett Rd, 317 Fred Morgan Rd, 123 Lance Morgan Rd, Quebec Rd, 108 – 377 West Bear Lake Rd, Bedgood Rd.
Check yellow tags on the map for details.
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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