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Fox News Weather Center

1991 'Perfect Storm' Explored: How the Deadly System Took Shape Off US East Coast

It may be listed in the historical records as an unnamed hurricane but the 1991 storm that sank a boat off the Eastern Seaboard is better known as the "perfect storm."

Six Gloucester, Massachusetts, fishermen died as a result of the Halloween storm sinking the Andrea Gail. The tale of the storm and the Andrea Gail were depicted in the book and subsequent movie, "The Perfect Storm."

The storm had similarities to Superstorm Sandy, which raked the East Coast in 2012, AccuWeather Senior Meteorologist Jack Boston said.

"The 'perfect storm' was like Sandy in that it involved the merging of Hurricane Grace's remnants from the tropics and a strong storm system over the Canadian Maritimes," Boston said.

Sandy was similar in that it was a hurricane that came north from the tropics, then started to transform into an extratropical low before it slammed into the Jersey coast, he said.

The center of the Perfect Storm of 1991 never reached the coast, but the strong winds did produce severe coastal flooding along the New England to New Jersey coastlines, though it was not as devastating as Sandy.

"Wave heights with the 'perfect storm' reached as high as 100 feet with winds as high as 70 mph at the peak of the storm. Sandy's winds and waves were even higher," Boston said.

Some of the waves that capsized the Andrea Gail were 39 feet high.

The storm caused $168 million damage ($296 million in 2015 dollars), and killed six other people, the Federal Emergency Management Agency said.

The storm moved over warm Gulf Stream waters and turned tropical, reaching hurricane strength on Nov. 1, 1991, yet the hurricane remained unnamed.

As the system evolved into a hurricane on Nov. 1, 1991, naming it as a hurricane would have caused confusion to the public, media and emergency officials, since most of the damage was caused while it was extratropical, the National Hurricane Center said at the time.