Louisiana, 2022

Flash Flooding in Louisiana, July 30, 2022

July 30, 2022 · NWS LIX · 2 events in 2 counties and zones

A tropical upper-tropospheric trough (TUTT) low was moving westward across the northern Gulf of Mexico. This feature brought with it, abundant moisture throughout the column as well as a focus for storms to develop.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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.

What happened

The episode as NWS LIX wrote it up.

A tropical upper-tropospheric trough (TUTT) low was moving westward across the northern Gulf of Mexico. This feature brought with it, abundant moisture throughout the column as well as a focus for storms to develop. Heavy rain and flash flooding occurred in St. Bernard Parish as the TUTT low moved into the area.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 flash flood. Local standard time, as filed.

Flash Flood, Orleans

When
July 30, 11:17 AM CST to 1:00 PM CST
Where
Orleans County, 1.83 mi NE of Algiers to 1.94 mi NE of Algiers
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
29.970, -90.030

Flooding was reported at the intersection of North Roberston and Kentucky Street.

Flash Flood, St. Bernard

When
July 30, 11:17 AM CST to 1:00 PM CST
Where
St. Bernard County, 1.74 mi WSW of Arabi to 1.64 mi WSW of Arabi
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
29.940, -90.026

Flooding was reported at the intersection of Pace Boulevard and General Meyer Avenue.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Louisiana in 2022Every state in 2022This day in weather historyWarnings in Louisiana, July 2022

Sources

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 2026-09-24. Each event’s entry at NCEI: 1043578, 1043580.