Mount Apo had a spectacular hat-shaped cloud formation covering around its peak in the Philippines. Footage shows the volcano with lenticular clouds draped over its top portion in Davao del Sur ...

The sometimes-eerie-looking "Hat" clouds -- officially known as lenticular clouds -- are no stranger to Mt. Rainier. But while to many it might just look like a cloud frozen in time, there is actually ...

SEATTLE — Even a clear sky contains layers of wet and dry air, that is, layers with different humidities. You can’t see these layers unless the humidity is high enough for the moisture in the layer to ...

MT. HOOD MEADOWS, Ore. (KOIN) — Oregon’s latest cold front and strong winds helped simultaneously form a cap cloud and lenticular cloud over the peak of Mt. Hood on Tuesday. A time-lapse view of these ...