How do I solve 6 down in Times Cryptic 3295?

Question

Accepted Answer

6 down reads "Dodgy sweet and sour producing wind" (9 letters); the answer is SOUWESTER. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

Dodgy sweet and sour producing wind (9)

6D — Dodgy sweet and sour producing wind (9) — SOUWESTER