(This story was updated to add new information.)
From a short-lived tornado warning to flooding, Southern Californians’ Christmas Eve is being shaped by the weather amid an atmospheric river that officials have warned about for days.
In Los Angeles County, thousands of residents were affected by a power outage as of the morning of Christmas Eve, Dec. 24, as evacuation warnings were in effect for those in wildfire burn scar areas, including the Pacific Palisades and Altadena . The National Weather Service in Los Angeles had issued a tornado warning for a stretch of the region, including Alhambra, Pasadena, Monterey Park, and El Monte areas, for a period of time after 10 a.m…