Traditional tales about wet weather in former duchy (8)

I believe the answer is:

lorraine

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'former duchy' is the definition.
'lorraine' can be an answer for 'duchy' (I have seen 'French duchy' mean 'lorraine' so perhaps 'duchy' could also mean 'lorraine'). I'm unsure of the 'former' bit.

'traditional tales about wet weather' is the wordplay.
'traditional tales' becomes 'lore' (I've seen this in another clue).
'about' is an insertion indicator.
'wet weather' becomes 'rain' (rain is wet weather).
'lore' placed around 'rain' is 'LORRAINE'.

'in' is the link.

Can you help me to learn more?

(Other definitions for lorraine that I've seen before include "Region of NE France" , "girl in old > duchy" , "French sister province of Alsace" , "Region linked to Alsace" , "Girl's name - Nancy's region" .)

I've seen this clue in The Telegraph.

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