Ice Fall twister or portal activity?

Video found here

I was just told this is a cold air funnel.
But my next question is cold air from where and why so high?

Image 2 from video

http://www.geocities.com/dhlndsign/ice-fall-p3-10.91.jpg

http://www.geocities.com/dhlndsign/ice-fall-p4-8.58.jpg

http://www.geocities.com/dhlndsign/ice-fall-p5-16.12.jpg