Climate experts have identified an atmospheric configuration that can release huge volumes of water in a matter of minutes. Led by Newcastle University and the UK Met Office, the research helps explain some of the world's most dangerous flash-flood events and may aid future improvements in identifying risk.

Severe thunderstorms and flash flood warnings were issued across Los Angeles County as the first of three powerful storms drenched Southern California. Heavy rain, strong winds and burn scar flooding risks are affecting millions,

Flash flooding Saturday overwhelmed several areas of Sherman, leaving cars stuck and some residents dealing with water damage to their properties.

Weather officials are warning residents in burn scar areas and other vulnerable communities to take precautions ahead of time and be prepared if conditions become dangerous.

A powerful cross-country storm is expected to bring heavy rain, as well as the threat of flooding and severe weather, which could complicate Valentine's Day and Presidents' Day weekend plans for millions across the South.

TRIADELPHIA, W.Va. (WTRF-TV) Nearly 8 months after deadly flash flooding ripped through parts of Wheeling and Ohio County, some residents in Triadelphia still cannot access their homes due to a collapsed bridge.