An inversion layer makes Bay Area mountains warmer, not colder, at high elevations

An inversion layer makes Bay Area mountains warmer, not colder, at high elevations

By CBS Bay Area Normally, when you climb up a mountain, it gets colder as you get higher. But that’s definitely not always the case in the Bay Area, especially during the summer. Let’s zoom in on Mt. Tam. Here’s what a ‘normal’ weather setup would look like going up the mountain: 65 degrees near the base, 60 around 1000′, and 55 at the peak, getting cooler as you go up. But just a couple of days ago, it was 56 on Panoramic Highway just southwest…