Rolling Cloud Formations

Photo credit: This is Colossal

Alex Schueth, a storm chaser, managed to capture a mind-boggling time-lapse video of a rare cloud formation called a undulatus asperatus – the name means “roughened or agitated waves” – during a storm over Lincoln, Nebraska, this past summer. The ominous-looking clouds have been particularly common in the Plains states of the United States, often during the morning or midday hours following convective thunderstorm activity. Click here to view the first image in this week’s WINS gallery. Continue reading for a viral video of a dog that is afraid of invisible doors.