Hurricane Melissa, which struck Jamaica with record-tying 185 mph winds Tuesday, was a beast that stood out as extreme even in a record number of monster storms spawned over the last decade in a superheated Atlantic Ocean. Melissa somehow shook off at least three different meteorological conditions that normally weaken major hurricanes and was still gaining power as it hit, scientists said, a bit amazed. And while more storms these days are undergoing rapid intensification — gaining 35 mph in