“What you're seeing in a shelf cloud is the boundary between a downdraft and updraft of a thunderstorm or line of thunderstorms,” according to The Weather Channel. The shelf clouds aren’t tornadoes or wall clouds. Shelf clouds are often seen at the beginning of thunderstorms.

Sometimes these storm clouds can build from the ground and rise up toward the sky in what weather experts call shelf clouds.

(For licensing or usage, contact By: Maranda Benefield /hRgi9RLqJ1- Live Storm Chasers August 9, 2018įOX-2 meteorologist Glenn Zimmerman said the footage captured the beginning of a thunderstorm cloud. Monster apocalyptic shelf cloud structure passing through Anna, IL on Aug 7, 2018! #ILwx #StormHour #Breakingweather