Gravity swirl waves are three-dimensional internal gravity waves in cylindrical coordinates. A radially propagating gravity swirl wave transports angular momentum from a central source region to distant regions of the atmosphere. Accordingly, atmospheric conditions that support propagating internal waves allow a vortex to decay by radiating away its rotation, while regions of neutral stability around the vortex insulate it from such losses. This may be a factor in determining whether convective storm cells attain strong rotation.
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Chimonas et al. (1997) studied this question.
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