The factors that combined to create Superstorm Sandy were rare, geographers say. "You need the right sort of ingredients just to form a hurricane to begin with," said John Abatzoglou, an assistant professor of geography at the University of Idaho. "But then to get the ingredients for a hurricane to merge with a mid-latitude storm, those are sort of luck of the draw, or perfect storm type events." However, forecasts of the storm's behavior were fairly accurate, noted University of Delaware geography professor David Legates. "It went almost as predicted," he said.
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