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

President Donald Trump will visit southern California this week amid looming winds and threats of new flames with tens of thousands of acres torched and buildings destroyed, according to reports.

Meteorologists said there was a chance the winds would be as severe as those that fueled the Palisades and Eaton fires, but that different locations would likely be affected.

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

Multiple counties in Southern California were under red flag warnings from the NWS early Monday, with the service warning of yet another round of Santa Ana winds.

Steve Ackerman and Jonathan Martin, professors in the UW-Madison department of atmospheric and oceanic sciences, are guests on WHA radio (970 AM) at noon the last Monday of each month. Send them your questions at [email protected] or [email protected].

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

Things will remain relatively calm for the weekend, but "a difficult to resolve weather pattern" begins early to mid-next week, the NWS said.

The destruction in parts of Altadena, a few miles to the west of Sierra Madre, and Pacific Palisades, which had burned in a separate fire on the other side of Los Angeles, made these areas appear bombed out.

Mauricio Arellano, superintendent of the San Bernardino City Unified School District, which co-sponsored the Wednesday, Jan. 22, event, told the crowd of about 50 that all children in the U.S. have a right to a free public education — regardless of immigration status.

Much of fire ravaged southern California is under a flood watch after devastating flames have left thousands of acres barren and vulnerable to flash flooding, land and mudslides with rain in the forecast.