What is a 'bomb cyclone' and how does it form?
A powerful storm is moving toward the West Coast that weather enthusiasts have coined a 'bomb cyclone.' Meteorologist Ryan Maue said that the central pressure of the upcoming bomb cyclone will fall almost 70 millibars in 24 hours, reaching pressure levels similar to that of a Category 4 hurricane. This super-charged storm will bring wind gusts of up to 70 miles per hour, and pull a Category 5 atmospheric river onto land that will dump up to 20 inches of rain in certain areas. Over that temperature contrast, a powerful, intensifying jet-stream disturbance forces air to rise, and this kicks off the bombogenesis process as the cyclone's central pressure plummets, according to The Weather Channel. These intense storms typically form in winter, and are more common off the East Coast of the US, which experiences roughly one bomb cyclone per year.
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