Storms are used to set an ominous tone in spooky stories, even as they bring much-needed relief to parched fields or ...

The sky formations are known as "cavum clouds" or "fallstreak holes." Here we explore unique facts about these "hole-punch clouds." Learn how passing airplanes shape their formation.

Many of the clouds that formed in San Diego County over the weekend rose 30,000 to 40,000 feet into the atmosphere before they spent their energy and slowly collapsed. 5.