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U.S. Domestic16h 16m ago
The remnants of Post-Tropical Cyclone Arthur are causing catastrophic flash flooding, dam failure, train derailments, and confirmed EF-1 tornadoes across the U.S. South.
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Pearl River County, Mississippi; Avoyelles Parish, Louisiana
Who
Louisiana State Police, National Weather Service, Mississippi Department of Transportation, emergency management officials, Jefferson Parish Councilman Scott Walker, Slidell Fire Department
What
The remnants of Post-Tropical Cyclone Arthur are causing catastrophic flash flooding, dam failure, train derailments, and confirmed EF-1 tornadoes across the U.S. South.
When
Thu, 18 Jun 2026 19:00:00 GMT · 16h 16m ago
Where
Pearl River County, Mississippi; Avoyelles Parish, Louisiana ·
Why
The remnants of Arthur are drawing significant moisture from the Gulf of America, leading to continuous 'backbuilding' and 'training' thunderstorms over the region.
The Frontline Impact
How this affects you
Catastrophic flash flooding has led to immediate evacuations, the failure of Anchor Lake Dam, closure of Interstate 59, train derailments in Metairie, power outages for over 50,000 customers, and confirmed EF-1 tornadoes, posing an immediate threat to human life and infrastructure.
Story chain
4 events in this thread- U.S. Domestic13h 41m agoThe remnants of Arthur are unleashing catastrophic, life-threatening flash flooding across the South, causing dam failure, train derailments, and confirmed tornadoes.Open article
- U.S. Domestic16h 16m agoA dam in Mississippi has failed and a Flash Flood Emergency is in effect, causing evacuations as Arthur's remnants slam the South.Open article
- Currently Reading16h 16m agoThe remnants of Post-Tropical Cyclone Arthur are causing catastrophic flash flooding, dam failure, train derailments, and confirmed EF-1 tornadoes across the U.S. South.
- U.S. Domestic16h 16m agoCatastrophic flash flooding, dam failure, train derailment, and confirmed tornadoes are occurring across multiple states in the U.S. South.Open article