FloodZoneMap.org

Flash Flood — Jefferson, LA

Mar 5, 2024

The combination of increasing surface heating, elevated moisture, and increasing atmospheric life from an approaching mid level disturbance induced increasing storm development. The main focus of heavier rain was on the south shore of Lake Pontchartrain. Slow storm movement and moderate to heavy rain rates resulted in multiple areas of flash flooding across New Orleans Metro.

Source: NOAA National Weather Service Storm Events Database (event 1168666). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Jefferson, LA

This event is one of many recorded floods in Jefferson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Jefferson County flood data →

More Flood Stories

Hurricane (Typhoon)27 deaths$850.0M damage

Lower Jefferson, LA · Aug 28, 2005

Hurricane Katrina was one of the strongest and most destructive hurricanes on record to impact the coast of the United States. It will likely be recorded as one the worst natural disaster in the history of the United States to date resulting in catastrophic damage and numerous…

Read the full account →
Hurricane (Typhoon)$1.0B damage

Lower Jefferson, LA · Aug 29, 2021

The ninth named storm, fourth hurricane, and second major hurricane of the 2021 Atlantic hurricane season, Ida originated from a tropical wave in the Caribbean Sea on August 23rd.

Read the full account →
Flash Flood$39.6M damage

Jefferson, LA · Sep 11, 2024

Hurricane Francine formed as a tropical storm in the Gulf of Mexico on September 9, 2024, and intensified into a Category 2 hurricane before making landfall near Houma, Louisiana, on the morning of September 11.

Read the full account →
Storm Surge/Tide$25.0M damage

Lower Jefferson, LA · Oct 28, 2020

A tropical depression formed in the northwestern Caribbean on the afternoon of October 24th. 9 hours later, it became the twenty-seventh named storm and eleventh hurricane of the exceptionally active 2020 Atlantic hurricane season.

Read the full account →