Jon Keeley, University of California, Los Angeles (THE CONVERSATION) Powerful Santa Ana ... the winds blow. Topography also plays a role. As the winds rush downslope from the top of the San ...

That warning applies to all of Orange County and the border with San Diego County. Winds were projected to reach 40 to 60 mph between 7 a.m. and 1 p.m. on Wednesday, with possible gusts up to 70 ...