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Name: Jay 
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Question:
Does horizontal movement of a tornado along the ground detract from the rotational forces present within the vortex i.e. cause the axial rotation of the system to decelerate?


Replies:
The dynamics of tornados are not well understood (and that is an understatement), so a yes/no answer is not possible. Hurricanes are much better understood and in the case of hurricanes, fast horizontal motion usually means a reduction in rotational motion. Hurricanes behave differently, sometimes very differently. For example, in rare cases horizontal tornados have been observed.

Vince Calder


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