LAFD Chief Kristin Crowley said the department has staffed all available resources and fire patrols and engines are being strategically placed in the high-fire risk areas of the city.

Wind gusts of 50 to 70 mph in the mountains and 30 to 50 mph on the coasts and valleys are forecast for Los Angeles and Ventura counties on Wednesday. Residents exhausted by days of fire face red flag warnings with the rare "particularly dangerous situation" designation issued for those counties through Wednesday afternoon.

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.

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.

Cal Fire crews are responding to the scene of a brush fire in Ramona that broke out early Tuesday morning, threatening at least one structure.

Cal Fire said crews will continue reinforcing and maintaining the wildfire's containment lines as critical fire weather is here.

Fire assets are in place as critical fire weather is in effect Tuesday, and ATF agents begin a fire investigation.