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1030 superstorm 95

Onlookers take photos as strong waves created by superstorm Sandy crash against the Lake Michigan waterfront, Tuesday, Oct. 30, 2012, on the south side of Chicago. Strong winds from the outer edge of superstorm Sandy are ripping up near-record high waves on Lake Michigan. (AP Photo/M. Spencer Green)

Gallery: More photos from Superstorm Sandy

Oct. 30, 2012 @ 04:35 PM

Superstorm Sandy will end up causing about $20 billion in property damages and $10 billion to $30 billion more in lost business, according to IHS Global Insight, a forecasting firm.