The flash floods in Ruidoso killed at least three people, including two young children, and trapped dozens in homes and ...

By definition, flash floods occur incredibly fast, and with intense power. According to the National Weather Service (NWS), flash floods occur within 6 hours, and often within 3 hours, of heavy ...

Sixteen states are at a slight risk of flash floods on Tuesday, the NWS said. A slight risk means there's at least a 15 percent chance of rainfall exceeding flash flood guidance.

And in Nepal, where some flash floods are caused by the collapse of lakes held back by glaciers, work is underway to understand better how those collapses are triggered.

Elizabeth Kolbert on how, even as the death toll climbs in Texas, the Trump Administration is actively undermining the nation’s ability to predict—and to deal with—climate-related disasters.