Roll Cloud at South Oliphant, Ontario - 5/27/2007

This weather phenomenon, known as a "Roll Cloud", stretched across the sky and spun in a spiral rotation on May 27, 2007. The cloud came in off of Lake Huron and passed over Chief's Point and our family's property at the southern end of Oliphant in Bruce County, Ontario. We quickly realized that this cloud was being pushed by a cold air mass as the temperature dropped from the low-70s down to the mid-50s in about 3 minutes. Chilly gusts of wind picked up as the cloud passed overhead.

• Category

  Science & Technology

[Felix Culpa]

Hot air can hold more moisture than cold air, also cold air is denser than hot air... so as the cold air mass advances forwards, the hot air is pushed up and over it, as the hot rises it gets cooler and then can hold less moisture, so it condenses out to make the giant cloud, and then rain! Great video.

[Christian Crampton]

"Clouds roll by and I roll with them"- Dream Theater

[StLouisStormSpotter]

That's an airplane lmao

[Jin Kay]

kamehameHA

[Roll Fizzlebeef]

Thank you.

[Brooke Phillips]

I think its a jet

[Heaven MoNes]

alien space under disguise....SHOOOT THOSE BASTARDS DOWN..

[itsNaturalTV]

i would panic off the simple fact... i dont own a lighter or a ladder big enough to smoke that joint!!

[94Allawey]

Why the hell are you living in nowhere ??

[jamesmorrishere22]

you stfu im fucking around



[iSk00L]

You conspiracists piss me off. Shut the fuck up and get a degree you losers