Coastal Flood in Upper Plaquemines, Louisiana

Coastal Flood May 19, 2021 – May 22, 2021 · Upper Plaquemines, Louisiana

What the National Weather Service wrote

Highest water levels during previous two nights high tide cycles put about 6 inches of water on Highway 23. Typical east bank areas exposed to easterly winds had high water east of Alliance Refinery and between Jesuit Bend and Myrtle Grove. Highest water reported Thursday night between Whites Ditch and Phoenix.

The wider storm

Strong east-southeasterly pressure gradient flow between a strong high pressure over the mid-Atlantic and a weak surface low in the northwestern Gulf led to several days of coastal flooding across southeastern Louisiana. Reports varied from each day, with the most impacts during high tide cycles.

Source: NOAA Storm Events Database, event 960573. Narratives are written by the National Weather Service forecast office that issued the report.

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