superstorm

From super- +‎ storm.

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superstorm (plural superstorms)

1. A major storm (weather phenomenon).
   • 2007 February 4, Andrew C. Revkin, “A Disaster Epic (in Slo-Mo)”, in New York Times‎^[1]:

     Before the report’s arrival on Friday, the consequences of global warming had been epically imagined — New Orleans-style swampings by superstorms, the specter of an Arctic meltdown and a water gush that would block heat-toting currents in the Atlantic Ocean and trigger an abrupt European cool-down.

• megastorm

• “superstorm”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.