If you live in west Wales, you may have been forgiven for thinking there was a potential UFO invasion. Imposing clouds shaped like an extra terrestrial spaceship commonly represented in films and ...

Experts say they were mainly lenticular clouds and gravity waves ... took shape and sat in place over the valley, leaving what nearly resembles flying saucers hovering above the desert.

When Powell resident Dave Varkony stepped outside at sunrise Sunday, he saw a "rope cloud" hovering over Heart Mountain.