How do the Santa Ana winds form? The winds are created by high pressure over the Great Basin — a desert region that spans several states, including California, Nevada, Oregon and Utah.

Santa Ana winds are returning to San Diego County Wednesday evening, surging temperatures and prompting a wind advisory for ...

Santa Ana winds can bring disruptive impacts to daily ... Idaho and south-east Oregon. These are generally dry, desert areas, which means the winds that arrive in California are lacking in moisture.