Crossword Genius

Something brewing perhaps before new storm (7)

Ross

I believe the answer is:

typhoon

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'storm' is the definition.
(I know that typhoon is a type of cyclone)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for typhoon that I've seen before include "Eastern tropical storm" , "Violent storm - WWII aircraft" , "Pacific hurricane" , "Pacific tropical storm" , "Indian Ocean tropical storm" .)

I've seen this clue in The Telegraph.
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