National Geographic has an article today on a rather rare meteorological event, thundersnow.

“The late-winter snowstorm that blanketed much of the eastern U.S. on Sunday and Monday packed some serious sound and fury—emphasis on sound.

Along with the snow clouds, a rare and little-known phenomenon known as thundersnow rumbled over parts of Georgia and South Carolina.

Thundersnow—when thunder and lighting occur during a snowstorm—most often appears in late winter or early spring, experts say.

That’s because the ingredients for thundersnow—a mass of cold air on top of warm, plus moist air closer to the ground—often come together during that time.”

Full story in National Geographic.