You don't see clouds like this very often.
A group of storm chasers captured this video of a surreal, monstrous-looking thunderstorm cloud that spun menacingly over eastern Wyoming on Sunday.
The dramatic time-lapse video taken by Basehunters shows the eerie formation and dissipation of a rare kind of thunderstorm known as a supercell near Newcastle, Wyo.
According to the National Weather Service:
"Supercells are highly organized storms characterized (by) updrafts that can attain speeds over 100 miles per hour, able to produce extremely large hail and strong and/or violent tornadoes, downdrafts that can produce damaging outflow winds in excess of 100 mph — all of which pose a high threat to life and property."
This particular supercell seems to have died down without causing significant damage.
Norman, Okla.-based Basehunters also tweeted a dramatic photo of this fascinating force of nature.
— James Eng, NBC News
First published May 19 2014, 1:17 PM