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Earth, Planets and Space
Fig. 12 | Earth, Planets and Space

Fig. 12

From: Simulation study of atmosphere–ionosphere variations driven by the eruption of Hunga Tonga-Hunga Ha’apai on 15 January 2022

Fig. 12

Time variations in neutral wind velocities at 300 km altitude and at 175° W. a Vertical velocity, and b horizontal velocity. In a, positive sign (red) indicates upward, and negative sign (blue) indicates downward. In b, positive sign (red) indicates northward, and negative sign (blue) indicates southward. Velocities between 4 and 8 UT and between latitudes of 50° S and 10° N are shown. Dashed lines in b are estimated propagation speeds

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