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Torrential rain over the southern Appalachians triggered a record flash flood in two Georgia and Tennessee towns. Here's why the flooding was so severe.
It's still gaining steam and likely to become record strong. Here's how this El Niño is already impacting weather in the U.S., including rain and temperatures.
The Desert Southwest and Florida have been hit by damaging flooding in recent days. Here's why that happened and if it's a preview of a super El Niño winter.
Are you looking ahead to the holidays? What will likely become a record-strong El Niño could impact your odds of a white Christmas. Here's what might happen.