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

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.

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.

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.

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

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.

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.

Since Los Angeles County’s Santa Ana winds-fueled firestorms began Jan. 7, the Eaton and Palisades fires have consumed more than 37,000 acres of homes, businesses and landmarks in Altadena and

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.

The backstory: Russian thistles, better known as tumbleweeds, arrived in South Dakota in the 1870s most likely via a shipment of flaxseeds from Russia that was contaminated with the invasive seeds. Read on... for more on what scientists are doing to combat the invasive species.