A little bit of mammatus cloud development happening underneath the high-altitude wave cloud over San Bernardino, 10/31/2020.
![2020-10-31 18.03.24](https://crestlinesoaring.org/wp-content/uploads/hm_bbpui/10656/98vt6pvestg3apd0jev5i0gy3dgp7xz8.jpg)
The whole sky was very dramatic with shades of orange and pink and gray and blue as the sun neared the horizon, and beyond. Unusual Halloween temperatures; I was comfortable outside in a t-shirt and shorts well into the evening.