Sunrise (DI01458) Photo by Carlye Calvin

Cumulonimbus clouds over the ocean (DI01453) Photo by Carlye Calvin

Cumulonimbus base over the mountains (DI01452) Photo by Carlye Calvin

Sun rays (DI01451) Photo by Carlye Calvin

Iridescence in wave clouds (DI01450) Photo by Carlye Calvin

Silver lining around a dark cloud (DI01449) Photo by Carlye Calvin

Halo around the Sun (DI01448) Photo by Carlye Calvin

Mammatus cloud (DI01445) Photo by Carlye Calvin

Mammatus cloud (DI01444), Photo by Carlye Calvin

Stratocumulus clouds at sunset (DI01443) Photo by Carlye Calvin

Kelvin-Helmholtz clouds (DI01442) Photo by Carlye Calvin

Wave clouds (DI01441) Photo by Carlye Calvin