Buffalo without lake-effect snow? Ancient iceberg scratches reveal a reverse snowbelt - Watts Up With That?

Iceberg plowmark seen from Google Maps Caption One of the iceberg plowmarks cuts through a farm field in Niagara County near Lake Ontario. Credit Google Maps

Buffalo without lake-effect snow? Ancient iceberg scratches reveal a reverse snowbelt

The west-moving plowmarks span from about 12,000 to 17,000 years ago — a period of roughly five millennia.