FloodZoneMap.org

Flash Flood — Orleans, LA

Jul 5, 2022

An upper level ridge was centered north and west of the region. That put the local area on the outer periphery of the ridge. Atmospheric moisture levels were very high, with a precipitable water value of 2.4 inches. That value is right at the average highest for this time of year. An easterly wave passing across the local area on the 5th provided the focus for convective development and was able to capitalize on the abundant moisture in place. One of the storms that developed was able to produce

Source: NOAA National Weather Service Storm Events Database (event 1043533). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Orleans, LA

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

View Orleans County flood data →

More Flood Stories

Hurricane (Typhoon)12 deaths$500.0M damage

Western Orleans Parish, 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 Flood1 death

Orleans, 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$1.0M damage

Orleans, 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 →
Hurricane (Typhoon)$300.0M damage

Eastern Orleans Parish, 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 →