Record-Shattering Lake Effect Snow In The Great Lakes Region. How Does It Form?

Records are being shattered in the Great Lakes region this week because of lake-effect snow. Here's the meteorology of how it forms.

from Forbes Real Time https://www.forbes.com/sites/marshallshepherd/2017/12/26/record-shattering-lake-effect-snow-in-the-great-lakes-region-how-does-it-form/
via IFTTT