BOSTON( CBS) — It’s official: The “Blizzard of 2015” was indeed a blizzard for many in Massachusetts.

Powerful winter storms are often referred to as blizzards, but there are certain criteria a storm needs to meet before earning that title.

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Check: Blizzard Snow Totals

A true blizzard features falling or blowing snow with winds that frequently gust to 35 mph or more, and visibility that is reduced to 1/4 mile or less, according to the National Weather Service. Those blizzard conditions have to be in place for at least three hours.

Mission accomplished for the “Blizzard of 2015.”

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“Blizzard conditions were reached at many locations across southern New England during the storm on Jan. 26 and 27,” the weather service said in a statement. “Thus it is safe to call this the Blizzard of 2015 for southern New England.”

Boston saw blizzard conditions for nine hours from 12:54 a.m. to 9:54 a.m., according to the weather service.

In Marshfield, where high winds and heavy snow at high tide breached a seawall, blizzard conditions were reported for 14 hours, the longest duration reported in the state.

Other locations where blizzard conditions were observed include Hyannis, Nantucket, Chatham, Worcester and Beverly.

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Fitchburg, Martha’s Vineyard and New Bedford all just missed sustaining blizzard conditions for the required three hours.