A powerful “bomb cyclone” barreled across the northern United States recently, triggering severe winter weather in the Midwest and the East Coast.
About Bomb Cyclone:
It is a large midlatitude storm resulting from explosive cyclogenesis (or, informally, bombogenesis), a type of accelerated extratropical cyclone development in which surface pressure falls substantially over a 24-hour
In structure, a bomb cyclone is indistinguishable from any other intense midlatitude storm.
The center of the storm is a low-pressure cell (or cyclone) that draws winds near the surface inward.
However, a bomb cyclone is set apart by its rapid rate of intensification. The intensification required to classify as "bombogenesis" varies by latitude.
Bomb cyclones are often associated with atmospheric rivers and typically form in winter when cold and warm air masses collide.
The four most active regions where extra-tropical explosive cyclogenesis occurs in the world are
the Northwest Pacific
the North Atlantic
the Southwest Pacific
the South Atlantic
The precipitation associated with a bomb cyclone is intense, ranging from heavy downpours to strong thunderstorms to blizzards and heavy snowfalls, along with strong winds.
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