Crossword Genius

An air that is powerful and moving (6,4)

Ross

I believe the answer is:

strong wind

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'an air that is powerful and moving' is the definition.
I know nothing about this answer so I cannot judge whether it can be defined by this definition.

'air that is powerful and moving' is the wordplay.
I cannot quite see how this works, but
'air' could be 'wind' and 'wind' is found in the answer.
'powerful' could be 'strong' (similar in meaning) and 'strong' is located in the answer.
No letters remain.
This may be the basis of the clue (or it may be nonsense).

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I've seen this clue in The Globe and Mail.
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