Cleanup Of Deadly Pennsylvania Pileup Keeps Interstate Shut

The video discusses the sudden and dangerous nature of squalls, which are rapid snow pushes that can cause near whiteout conditions. These weather phenomena can lead to severe accidents, as seen on Interstate 81, where multiple vehicles collided. The video also shows time-lapse footage of squalls moving through neighborhoods, highlighting their quick impact on visibility and driving conditions.

How quickly can driving conditions change due to snow squalls?

What visual evidence was provided to illustrate the effects of snow squalls?