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.

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.

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.

"If fire ignition occurs, conditions are favorable for very rapid fire spread and extreme fire behavior," the NWS warns.

A red flag warning for critical fire danger, due to strong winds and low humidity, will remain in effect until 6 p.m. Wednesday for the San Diego County mountains and inland valleys.

Dry and windy conditions are in the forecast Monday and through mid-week in San Diego County, with critical fire weather expected for valleys, coastal mountain slopes, and chances of light rain west of the mountains next weekend,