What are millibars and why are they used to measure hurricanes?

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And why is a rapid DROP in them bad?

In: Planetary Science

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Anonymous 0 Comments

Unit of atmospheric pressure. In the US we usually use inches of mercury. It’s basically the weight of all the air above pressing down on the ground.

Low pressure systems are associated with storms. Wind moves from high to low pressure areas, so lower pressure and stronger pressure gradients = stronger winds. As the storm strengthens the pressure drops, and the winds get stronger.

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