A major nor’easter off the East Coast officially “bombed out” on Saturday, becoming a powerful weather system known as a “bomb cyclone.”The name comes from the meteorological term “bombogenesis,” or “explosive cyclogenesis,” when a storm system’s central pressure drops at least 24 millibars within 24 hours. A low-pressure system that achieves this mark becomes known as a “bomb cyclone.” Basically, it’s a storm that intensifies very quickly, bringing intense impacts such as heavy snow, rain, high winds and coastal flooding.NOAA’s Weather Prediction Center confirmed Saturday’s nor’easter met the criteria for bombogenesis when its pressure dropped 35 millibars in only 18 hours.
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