Weather forecasters sometimes warn of storms that unleash rains so unusual they are described as 100-year or even 500-year floods. Here’s what to know about how scientists determine how extreme a ...

PHOENIX – The remnants of what was once Hurricane Priscilla in the Eastern Pacific, in combination with other ingredients, are making for a wet, and potentially dangerous, weekend across portions of ...

Western Washington’s flood season usually runs from late October through March and mirrors the rainy season. Washington ...

Crews are searching for a 70-year-old Cordes Lakes man who was reportedly swept away by floodwaters near Big Bug Creek on Tuesday afternoon.

The term "100-year flood" implies that the event is a rare occurrence; however, dozens of such storms have inundated the United States over the past year alone, prompting concern that they are ...