BBC Weather Watchers have been busy gathering images of the week's dramatic skies.

On Saturday evening, Riverside County residents walked outside to take photos and ... it was a gigantic lenticular cloud that just happened to take perfect form at sunset. According to National ...

What has been observed may look like flying saucers but they are actually lenticular clouds, also referred to by some as pancake or UFO clouds. At their most spectacular around sunrise or sunset ...

Sky watchers are in for a treat as weather conditions mean unusual sight likely to be spottedin parts of Britain ...

It was, in fact, a storm cell - though images show its uncanny shape ... cool UFO looking storm this morning. This is a lenticular storm cloud and its not that common to see,' Higgins Storm ...