Avalanches, icy water rescues. Three videos illustrate dramatic winter conditions

An avalanche is triggered in Utah as a snowmobiler goes missing and a man and his dog are pulled from icy Lake Michigan by Chicago police as deadly cold winter weather strikes much of the United States.
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An avalanche is triggered in Utah as a snowmobiler goes missing and a man and his dog are pulled from icy Lake Michigan by Chicago police as deadly cold winter weather strikes much of the United States.