Several feet of lake-effect snow fell across the Great Lakes this weekend, with some areas receiving five feet of snow. ⁣ ⁣ But what is lake-effect snow exactly? AccuWeather's Anna Azallion explains how it forms.⁣ ⁣ #snow #winter #snowy #lakeeffectsnow #education #fyi #buffalony #eriepa #accuweather