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2/1/2024
WT Staff
HAPPENING NOW
7 USGS stations recording flooding Thursday
Bayou Bodcau rising, Bayou Dorcheat, Sabine, Calcasieu, Pearl Rivers coming down slowly
Water news for Thursday, February 1, 2024 - updated 523 pm CST
Flood Update from USGS real-time streamflow monitoring stations around the eight watersheds of Louisiana
7 stations remain in active flood stage Thursday evening.
In Region 1, Bayou Bodcau gained an inch through the day looking as though the peak is near. By the end of the day Thursday the flow level is just under eight feet above flood stage near Shreveport.
Bayou Dorcheat still flooding toward the end of the 10th day, running around the same level at the end of the day as we started with this morning. Downstream at Minden, Bayou Dorcheat is down half a foot over the day, still two feet over.
Watershed Region 4 Sabine River is still flooding near Ruliff TX, provisional data from USGS indicates still running 9 to 10 inches over flood stage at the end of Thursday. The peak flow has passed, the trend is a very slow decline.
East in Region 4, Calcasieu River flow has peaked and begun to recede, less than 2 feet above flood stage at this update.
Pearl River continues to overflow its channel more than two and a half feet at Bogalusa. The rising trend is slowing down and may be at peak level, the downward trend is not appearing yet. Downstream at Pearl River the flow hit the peak level over the noon hour yesterday, the declining trend is so subtle it has taken almost twelve hours of measurements to see the declining trend. As many of the other flooding locations, the expectation is that it will likely take days to see the end of this flood.
Check black tags for flood, blue tags for 99th percentile flows.
Drought Map from USGS 7-day average streamflows compared to historic averages
Louisiana drought map remains completely blank since Sunday. With 7 stations still recording active flooding at the end of the day Thursday. map.
Note WaterToday reports day-to-day changes recorded by USGS streamflow monitors on rivers and tributaries located in Louisiana, along with monitors upstream in the Mississippi River basin: Ohio, Georgia and southwest New York state. USGS creates a drought map from 7-day average streamflow readings, by comparing the average with the historic weekly normal flow value for each location. The drought ratings are below normal, moderate hydrologic drought, severe drought and extreme drought.
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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