A once-a-decade rainstorm is barreling toward Los Angeles

A powerful series of rainstorms is headed for California Thursday and through the weekend — arriving after a period of already severe weather in the state.

A flash flood watch is in effect throughout Los Angeles, Ventura, and souther Santa Barbara counties.

Up to a foot of rain is expected in some places, as the storms drench a region from Northern California down to San Diego, raising safety concerns. Those concerns are perhaps most serious at the Oroville Dam, where unusually high waters damaged an emergency spillway February 9, forcing 188,000 residents to flee the area.

Efforts have been underway through the week to buttress the spillway, but a new rush of rainwater poses risks.

 

Read More: A once-a-decade rainstorm is barreling toward Los Angeles – Business Insider