Chalmette, LA Tornado History — 124 Tornadoes Since 1950
How many tornadoes has Chalmette, LA had?
Chalmette has had 124 tornadoes on record within 25 miles since 1950, including 3 strong to violent (EF3+) tornadoes.
When was the most recent tornado near Chalmette?
The most recent tornado within 25 miles of Chalmette was an EF0 on May 2, 2025.
When is tornado season in Chalmette?
May is historically the peak month for tornadoes near Chalmette, with 20 on record. April through June account for 46 of the 124 tornadoes on record near Chalmette.
At a Glance
Recent Tornado Activity Near Chalmette
The last 20 years of confirmed tornadoes within 25 miles — 55 total, averaging 2.8 per year over this window.
Preliminary tornado reports near Chalmette since December 29, 2025
These are 4 preliminary reports, not confirmed tornadoes. They have not yet been through an NWS damage survey, and are not counted in the confirmed totals above.
Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.
Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.
NWS ground survey confirmed an EF-0 touched down near Arabi... LA and tracked southward toward Norton Avenue. (LIX)
NWS ground survey confirmed an EF-1 tornado touched down in Treasure Isle and moved northeast through Avery Estates before crossing the Pearl River Basin into Hancock C (LIX)
A NWS storm survey team confirmed an EF-1 tornado touched down in Jefferson... LA and moved northeast through New Orleans to Lakeshore Drive on Lake Pontchartrain. (LIX)
NWS ground survey confirmed a brief EF-0 tornado touched down over rural parts of St. Charles and moved into Santa Cruz Ct between Boutte and Luling... LA. (LIX)
Within 25 miles of Chalmette. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.
What storm spotters reported near Chalmette
One local storm report has been filed within 25 miles of Chalmette and since confirmed into the NOAA archive, the earliest on May 2, 2025 and the most recent on May 2, 2025. It is already counted in the Chalmette totals above; quoted below is the narrative the reporting office filed at the time.
Corrects previous tstm wnd dmg report from 1 SE Marrero. A brief EF-0 tornado touched down on the southeast side of Belle Terre Playground in Marrero... LA and tracked (LIX)
Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.
Tornadoes by Decade
Tornadoes by Enhanced Fujita Rating
F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.
Tornadoes by Month
Casualties on Record Near Chalmette
3 fatalities have been recorded within 25 miles of Chalmette since 1950, across 3 events. 122 injuries have been reported across all events. 2022 was the deadliest year on record near Chalmette.
The deadliest single event was an EF3 on March 22, 2022, which caused 1 fatality along a 11.5-mile track.
Notable Tornadoes Near Chalmette
What the record shows near Chalmette
The 2000s were the busiest decade near Chalmette, with 27 of the 124 confirmed tornadoes within 25 miles; the 2020s have produced 19 so far. The Chalmette record runs from the 1950s to today.
Of the tornadoes rated near Chalmette, 98 reached EF0 or EF1 and 20 reached EF2 or stronger. The most intense on record near Chalmette is rated EF3, of which 3 are logged. A further 6 near Chalmette are unrated — events NOAA logged before a damage survey assigned a scale.
Across the last 20 years Chalmette has averaged 2.8 confirmed tornadoes a year within 25 miles, 55 in total. 2021 was the busiest of them with 8, and 2 of those years passed with none at all.