While we haven't had a typical winter this year in Minnesota, exporting 'winter'-- or a part of it, anyway-- used to be a big business in the North Star State.
With all of the snow, we have gotten this winter and ice it is key to make sure that you clear off your vehicle as thoroughly as possible. But many of us myself included get lazy sometimes and snow and ice go flying.
Wait, it was 22 below zero here a few mornings ago! How can lake ice possibly be unsafe? I don't have the answer key, but I suspect it's all the snow we've had: 80-100" and counting. Snow is an excellent insulator, and a few feet of insulating snow probably kept the lake ice from thickening up properly - or an underwater spring - or a strong current beneath the ice...