How to attack a tempest? (5)

I believe the answer is:

storm

I believe this is a double definition.

'how to attack' is the first definition.
(I know that storm is a kind of assail)

'a tempest?' is the second definition.
(I know that tempest can be written as storm)

(Other definitions for storm that I've seen before include "Sudden attack" , "Violent weather; shout angrily" , "rave" , "Trouble" , "Sandy, perhaps" .)

I've seen this clue in the Sydney Morning Herald.

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