Severe weather and flash flooding continue to threaten much of the central and eastern U.S. on Thursday, disrupting Americans' travel plans.

After days of stormy conditions largely in the central United States drove power outages and led to at least three deaths, multiple additional days of back-to-back storms are expected in the region. Severe thunderstorms,

Texas and Oklahoma face flooding threats as deadly storms sweep much of U.S. Rebecca Falconer; facebook (opens in new window)

A flash flood warning was issued by the NWS Los Angeles/Oxnard CA on Thursday at 6:09 p.m. in effect until 7 p.m. for Los Angeles.

The National Weather Service issues several different flood warnings during appropriate weather events. Each one has varying levels of severity.