@CNN: Lake-effect snow has been in the news lately, thanks to a 64-inch snowfall that blanketed Erie, Pennsylvania. Here’s a look at what it is, and how it happens https://t.co/2dORdBiuaj https://t.co/Wz7jxjmro2

@CNN: Lake-effect snow has been in the news lately, thanks to a 64-inch snowfall that blanketed Erie, Pennsylvania. Here’s a look at what it is, and how it happens https://t.co/2dORdBiuaj https://t.co/Wz7jxjmro2