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Hurricanes are driven by low pressure. Low pressure pulls in warm, moist air, leading to convergence in the lower atmosphere, this causes thunderstorms to spring up, which lower the pressure further and pull in more warm, moist air. These processes help to sustain one another in a hurricane.

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Does barometric pressure decrease during a hurricane?

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Umm I dont know


What does the drop in barometric pressure from 1003 millibars to 926 millibars tell you about a hurricane?

Umm I dont know


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