Jon Keeley, a research ecologist in California with the U.S. Geological Survey and adjunct professor at UCLA, explains what causes extreme winds like this in Southern California, and why they create ...

The region sees about 10 Santa Ana wind events a year on average, typically occurring from fall into January. When conditions are dry, as they are right now, these winds can become a severe fire ...

Advertisement When conditions are dry, as they are right now, these winds can become a severe fire hazard. The Santa Ana winds occur when there is high pressure to the east, in the Great Basin ...