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Northwest St. Tammany Parish storm history

Storm events recorded in Northwest St. Tammany Parish, Louisiana between 1950 and 2025.

3
Total events
0
Tornadoes
0
Hail
1
Floods
4
Deaths
$600.0M
Property damage

Most significant events

Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.

August 29, 2021 · Northwest St. Tammany Parish, Louisiana
Hurricane (Typhoon) Hurricane (Typhoon)4 deaths, $500.0M damage
The parish suffered significant wind damage, with the greatest impacts across the western half of the parish. Thousands of trees were downed across the parish, with widespread minor to moderate damage to structures as well. Most structural damage was in the form of roof damage or…
August 28, 2021 · Northwest St. Tammany Parish, Louisiana
Storm Surge/Tide Storm Surge/Tide$100.0M damage
Storm surge topped the seawall in Mandeville, flooding several blocks of the lakefront neighborhood. Nearly 2 feet of water covered much of Madisonville, and at least one home took in water. Estimated peak inundation was 5-7 feet.
May 19, 2021 · Northwest St. Tammany Parish, Louisiana
Coastal Flood Coastal Flood
Areas around Madisonville at Lakefront and one road in Lacombe reported to have water over roads.

Events by year

YearEventsTornadoes
202130