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A Trio of Tropical Cyclones in the Pacific
In early September 2026, El Niño led to above-normal hurricane activity in the Pacific and below-normal activity in the Atlantic.
Why it matters
Intense storms impact coastal safety and infrastructure, as seen when Tropical Storm Edouard caused power outages and heavy rain in Louisiana and Texas.
The details
Lowell and Karina reached category 5 and 4 strength respectively on September 2. Tropical Storm Edouard brought 15 to 24 inches of rain to some areas. The Northeast Pacific ACE index was 130, 50 percent above normal, while the Atlantic ACE was 4.4, roughly 9 percent of normal.
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