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Bomb Cyclone Winter Storm
December 29 , 2022
571 days
440
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- A wild winter storm hir much of the US and bringing blizzards, freezing rain, flooding and intense cold close to record lows.
- Storms can form when a mass of low-pressure air collides with a mass of high-pressure air.
- Winds are formed when air flows from high pressure to low pressure.
- A bomb cyclone is defined by how quickly the pressure in the low-pressure mass drops — at least 24 millibars in 24 hours.
- This rapidly increases the pressure difference, or gradient, between the two air masses, increasing the strength of the winds.
- This rapid intensification is known as bombogenesis.
- In the Northern Hemisphere, the direction is anticlockwise (when viewed from above).
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