The "Halloween Storm", also known as "The Perfect Storm", occurred 23 years ago in 1991, and was the result of Hurricane Grace merging with an extratropical low in the W Atlantic to form a powerful combined system. Did you know that the Ocean Prediction Center played an important part in forecasting "The Perfect Storm"? Visit the OPC's "Perfect Storm" page to find out more: http://www.opc.ncep.noaa.gov/perfectstorm/index.shtml This animation shows the complete life cycle of "The Perfect Storm" t