Hurricane Sandy (informally referred to as a "superstorm" by the media), an Atlantic hurricane that became an extremely powerful extratropical cyclone over the Eastern United States.
January 2018 North American blizzard, one of the most powerful extratropical cyclones recorded off the East Coast of the United States, brought blizzard conditions to much of the Eastern U.S.
March 2019 North American blizzard, a powerful extratropical cyclone in the United States that drew comparisons to the 1993 Storm of the Century.
Hurricane Dorian, an Atlantic hurricane that degenerated to an extremely powerful extratropical cyclone south of Atlantic Canada.
See also
Look up superstorm in Wiktionary, the free dictionary.