A cluster of summertime strong to severe thunderstorms developed and caused damaging winds along with heavy rainfall leading to flash flooding.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LIX wrote it up.
A cluster of summertime strong to severe thunderstorms developed and caused damaging winds along with heavy rainfall leading to flash flooding.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New Orleans, LA wrote its last area forecast discussion before the first event at Jul 27, 3:30 PM CST, 22 hours 52 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 flash flood, 1 flood. Local standard time, as filed.
Several areas throughout St. Charles Parish experiencing street flooding. Measured readings between 2 and 3.5 inches with heavy rain ongoing. 2 homes were taking in flood water.
Report of water in homes on Faye Avenue in Metairie. Many streets flooded across the area including water overtopping canals. Street flooding in River Ridge.
Images relayed via social media of street flooding across Metairie and on David Drive.
Video relayed via social media showing street flooding along Airline Drive near Causeway Blvd.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2020Every state in 2020This day in weather historyWarnings in Louisiana, July 2020
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 911944, 911945, 911948, 911951.