Lenticular Clouds Lenticular clouds, with their distinctive lens shape, often hover over mountain ranges like alien spaceships. These stationary clouds form when moist air flows over mountains or ...
Unusually Red or Purple Sunsets and Sunrises One of the most enchanting sights in nature is a vividly red or purple sky ...
NORFOLK, Va. — Technically called “cumulonimbus flammagenitus,” pyrocumulonimbus clouds are a rare weather phenomenon caused by intense heat. These towering clouds form when extreme heat ...