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6/3/2024
WT Staff
 AFTER THE CLOSE
Monday, June 3, 2024
NWS Flood Warning: Region 1 Cypress Bayou at Wallace Lake
June 3, 2024 1105 am CDT
Flood Warning issued by National Weather Service 811 AM CDT Mon Jun 3 2024
NWS Shreveport forecast center has issued a Flood
Warning for the following rivers in Louisiana:
- Cypress Bayou At Wallace Lake affecting Caddo and De Soto Parishes.
Caution is urged when walking near riverbanks.
Turn around, don`t drown when encountering flooded roads.
Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas.
For more hydrologic information, click here.
Impacting Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle Parishes
Hazardous Weather Outlook issued by National Weather Service Shreveport forecast center 631 am Monday June 3
A complex of thunderstorms is developing across Oklahoma and has eyes for our Four-State area this afternoon and evening, some may be severe with damaging winds primarily. Overnight, we may see a second complex of thunderstorms arriving in southeast Oklahoma and southern Arkansas by daybreak. These thunderstorms have been progressive, but due to the widespread rains lately, flash flooding may accompany the lightning and gusty winds with some heavy downpours on our wet soils.
Isolated to scattered showers and thunderstorms will persist to some extent during midweek. Coverage and intensity of thunderstorms should see a decrease each day through Thursday. Then,
we can expect another weak cold front to arrive on Friday with more widespread thunderstorms affecting our area in this same night and or day pattern. The weekend now looks to see the front become stationary west of I-49, acting as a rain, train track. Additional rivers and bayous will see rises and minor flooding continue into next week.
Impacting Union-Caddo-Bossier-Webster-Claiborne-Lincoln-De Soto-
Red River-Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-
Caldwell-La Salle Parishes
SPOTTER ACTIVATION: Spotter activation will be needed this afternoon and early evening.
HABs Tracker
from National Centers for Coastal Ocean Science satellite monitoring program for southeast Louisiana
The latest satellite image of southeast water bodies is mostly clear, captured June 2 at surface wind speed 2.7 mph. This image is mostly cloud obscured. The previous image captured June 1 at wind speed 6.9 mph shows Lake Pontchartrain with the first small open water HABs of the season today at midlake, moderate concentration 100 thousand cells per 100 ml. Chandeleur Sound presents with a widespread area of algal bloom activity east and up to Grand Island matching the color scale for a moderate concentration 200 thousand cells per 100 ml. For more details, see here.
WT USA Flows and Flood Tracker provisional data from the network of USGS streamflow monitors
Forty-five streamflow gauges indicate flow above flood stage in the USA Monday, up from forty-three yesterday. Two floods occur inside the WT coverage area, both in Louisiana.
The State of Louisiana reckons surface area by watershed regions for public decision making, planning and investment. Watersheds organize the areas drained by major rivers, describing the surface area and resources in the impact zone for water-related weather, runoff of nutrients and contaminants and indicates changes in pressure on drinking water supplies and quality. Supporting the coordination of public services and administration by Parishes and municipalities to effectively manage flood, fire and other natural climatic events, WTLA.us communicates water related information using the accepted and common format in use in Louisiana.
Watershed Region 4 extends from the west border to the edge of the area drained by the Calcasieu River, down to the outlet in the Gulf of Mexico. Flooding has been ongoing in Region 4 on the Sabine and Calcasieu Rivers on and off since late January. At the time of this report, Region 4 flooding continues on the Calcasieu River near Glenmora, currently signalling a gauge height five inches over the channel on a slow declining trend. West border Sabine River continues to overflow the lower channel in southwest Louisiana this morning, running the same level nine to ten inches over minor flood stage as reported here over much of the last week. NWS has issued a Flood Warning for Region 1 today, especially focused on Cypress Bayou at Wallace Lake, impacting Caddo and De Soto Parishes. More to follow here. See black tags indicating flow volume and gauge height, flows updated daily on the map to the right.
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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