Therefore, the odds of a major hurricane making U.June 01, 2010 China nut insert Factory The Sun Sentinel |  They are nature's most powerful storms, able to wrench off roofs, blow out windows, rip down trees and otherwise ravage a large metropolitan area. coast over the next six months. The reason: It could be an extremely active year with up to 14 hurricanes, seven major, forecasters said.S.Major hurricanes—Categories 3, 4 and 5—produce sustained winds from 110 mph to as much as 185 mph and can generate storm surges more than 20 feet above normal tide levels.With the 2010 Atlantic hurricane season starting today, experts say there is a significant chance one or more of these monsters will strike the U."In general, more active seasons have more landfalling hurricanes.Read More.S. landfall increases," said Phil Klotzbach, the Colorado State University climatologist who develops seasonal outlooks with William Gray