Understanding bombogenesis and the bomb cyclone behind Northeast blizzard

A massive winter storm struck much of the northeast Sunday into Monday this week.

The Nor’easter/Blizzard has resulted in over two feet of snowfall in some areas of New York City and its surrounding areas. The storm is being called a “bombogenesis,” or “a mid-latitude cyclone that rapidly intensifies.”

More simply put, a bombogenesis occurs when a storm intensifies rapidly over the ocean. As the air pressure drops, the system deepens, making snowfall heavier and winds stronger.

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A bombogenesis, or “bomb cyclone,” is defined by NOAA as a storm that rapidly intensifies, with its central barometric pressure dropping by a minimum of 24 millibars within 24 hours. The millibar is the unit of pressure measurement, and a lower reading indicates a more powerful storm. This particular storm has impacted a wide region, extending throughout the northeastern U.S….

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