Aerosolized Powder Contrails? by Rick Nichols

by Rick Nichols
Guest Writer
Dandelion Salad
Feb. 15, 2008

Aerosolized Powder Contrails?

During the weekend of Jan. 25th-27th the greater S.F. Bay Area had its heaviest rainfall in about two years. Where I am in Santa Cruz, on Monterey Bay, the climate remained wet and cloudy for over a week, clearing up beautifully by Wed., Feb. 6th. On that morning, when I left the house, a single, bright-white contrail lay prominently across the clear, blue sky overhead. As I drove the fifteen minutes or so down into Santa Cruz, I noticed more straight, white contrails that were spreading out in wispy cloud formations, as well as the planes that were laying fresh trails. In fact, as I peered around I could see evidence of previous contrails where fresh ones were being laid, along the exact same headings and roughly the same altitude. Continue reading