Lake Erie could hit rare 100% ice coverage as freeze-over window narrows

Lake Erie is flirting with a milestone that has happened only a handful of times in the modern record: a complete freeze-over. As of this week, the lake's ice coverage reached 95.3%, according to an analysis by NOAA's Great Lakes Environmental Research Laboratory. It is the second year in a row with substantial ice coverage on Erie. Widespread icing of this magnitude happens once every two or three years, but what is much rarer is for Lake Erie...