A rare Particularly Dangerous Situation warning has been issued for Southern California as a powerful and potentially damaging Santa Ana wind event​ is expected.

Southern California will continue to face "dangerous fire weather conditions" including strong Santa Ana winds and extremely low humidity through later this week, forecasters said Tuesday.

The winds fueling Southern California wildfires form when a high-pressure system develops over the Great Basin in Utah and Nevada

Katabatic winds? Adiabatic compression? Time for a thermodynamics lesson! The record lack of rain has also made this Santa Ana event different.

A "Particularly Dangerous Situation" warning remains in effect as strong winds cause extreme fire danger in Southern California.

Millions of California residents were placed under a red flag warning through Thursday amid threats of further fires with looming winds in the forecast, according to multiple reports.

As bands of rain move into Southern California, residents in the burn scar areas are bracing for possible mudslides and land movements.

The first significant rainfall in several months will spread across Southern California this weekend, giving a badly needed sip of water to an area parched by drought and devastated by multiple raging wildfires.

The infamous Santa Ana winds have made their presence known at Torrey Pines this week, as these powerful gusts forced the PGA Tour to suspend play for nearly 90 minutes during Thursday’s second round.

Los Angeles could see up to half an inch of rain — the most rainfall from a single storm since April, according to AccuWeather. Dry conditions have plagued the area; the city has only seen 0.16 of an inch of rain since October 1.

The wet weather will bring relief to Southern California after a prolonged period of dryness, but there’s concern that any bursts of heavy rainfall could cause flooding.