The National Weather Service issued red flag warnings for severe fire conditions. Winds could reach 65 mph, the NWS warned. NewsNation senior national correspondent Brian Entin shares the latest details.

Here's a guide to understanding "particularly dangerous situation" red flag warnings, containment, and other terms related to the devastating fires that have left much of the LA area in ruins.

Red flag warnings tell other agencies, like fire and transportation departments, that it's time to staff up and prepare to respond to fast-moving fires. But they're also intended to put the public on high alert.