Taking a closer look at the seemingly calm center of a hurricane, NASA researchers have been able to determine a few clues about what powers a hurricane. "Using computer simulations and observations of 1998's Hurricane Bonnie in southern North Carolina, scientists were able to get a detailed view of pockets of swirling, warm humid air moving from the eye of the storm to the ring of strong thunderstorms in the eyewall that contributed to the intensification of the hurricane. The findings suggest that the flow of air parcels between the eye and eye wall — largely believed trivial in the past — is a key element in hurricane intensity and that there's more to consider than just the classic 'in-up-and-out' flow pattern. The classic pattern says as air parcels flow 'in' to the hurricane's circulation, they rise 'up,' form precipitating clouds and transport warm air to the upper atmosphere before moving 'out' into surrounding environmental air."
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Hurricane's Eye Reveals a New Power Source
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