Sun halo with 2 contrail shadows

The sun is casting shadows of an aircraft contrail downwards onto thin cirrus haze layers below. Higher above, ice crystals in cirrus clouds have created a 22-degree halo around the sun.

Sun halo, contrail and 2 contrail shadows via Jüri Voit in Kuusalu, Estonia.

Descriptions on this page are made possible by Les Cowley’s great website, Atmospheric Optics

Click here to learn more about 22-degree sun halos

Click here for more photos of contrail shadows, and to learn more about them

Deborah Byrd