FILE - This Oct. 31, 2012 file photo shows destroyed homes left in the wake of Superstorm Sandy in Ortley Beach, N.J. Calling storms hurricanes ... rise was responsible for $8.1 billion of damages ...

With an estimated $70.2 billion in damage, Sandy is the third costliest natural disaster in US history (it was second until being overtaken by Hurricane Harvey in August). The storm was ...

Forecasters worry about warm Atlantic waters and the absence of El Niño. How likely is impact to Pennsylvania? See risk here.