Southern California braces for powerful Christmas storm - Monday 7 a.m. forecast

What was originally a possibility of rain on Christmas has now become a certainty as a powerful storm barrels toward Southern California, and the expected rainfall amounts are alarming. KTLA's Mark Kriski has the forecast. Watch KTLA streaming live on the free KTLA+ app for Roku, Fire TV, Apple TV and Samsung Smart TVs: https://ktla.com/watch-ktla-on-roku-a...