The NWS Los Angeles/Oxnard CA issued a red flag warning at 9:53 a.m. on Friday in effect until 6 p.m. The warning is for Ventura County Beaches, Ventura County Inland Coast, Central Ventura County Valleys,

Dire warnings have been issued for the Los Angeles area, with a dangerous threat for the strongest wind event in more than a decade. Outages and extreme fire behaviours are major risks

That’s leading to the creation of mountain waves, which arise when strong winds blow perpendicular to a mountain range. The waves shoot down the coastal side of the mountains, gaining speed along the way, and are more casually referred to as simple Santa Ana winds.