Answer: The Santa Ana winds have everything to do with weather. It starts with a high-pressure area over the Great Basin. That’s a huge area, spanning much of Nevada, Utah and parts of California, ...

As they move down the Santa Ana and Sierra Nevada mountains and shoot through valleys, the winds compress—creating a rise in their temperature and a drop in their relative humidity. With hot ...

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

The Santa Ana winds tend to cause the same corridors to burn over and over again. Experts say the region needs to adapt.

The topography of Southern California also plays a major role in the development of Santa Ana winds. Once winds reach the Inland Sierra Mountains, the moving air is pushed down and compressed.

Los Angeles is reeling from an extreme Santa Ana wind event that spread the Palisades ... bring cold temperatures to areas east of the Sierra and into the Desert Southwest, including the deserts ...

The reason for the start of the California wildfires is in part due to the Santa-Ana winds. These form over the Sierra mountains when high pressure builds in from the east. Air pushes down the ...

Meteorologist Evan O'Regan explained that the primary catalyst for these fires was the Santa Ana winds. As an area of high pressure builds east of the Sierra Nevada mountains, air pushes down the ...

Al Roker talks to climate scientist Alexander Gershunov about the conditions that made the L.A. wildfires so devastating.