The period of cold, windy weather over the last few weeks provided the perfect conditions for the formation of shelf ice along the Lake Michigan shoreline. As the water freezes, the wind and waves push the ice chunks toward the shore where they pile up and freeze together with the water splashes an spray. Over time, the ice builds up higher and higher, and the mounds grow up and out, creating an arctic-like range of ice hills parallel to the shore.
Walking carefully along the beach (on solid ground not ice) looking at the formations of the mounds and the flat areas between them, one feels as if they're in the arctic instead of Indiana. Winter at the Indiana Dunes National Park is like nowhere else in the state, a treasure for certain.
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