Hey there! Thanks for the upvote and follow. I gave you a follow back as well. As for your question– From what I understand, the Alps in all likelihood don't suffer from a significant rain shadow effect due to the flow of the jet stream. It's bring warm air from the Atlantic heading south and then dips into the Mediterranean, switching to a northward trend afterwards. This would bring more warm air and moisture along with it, causing the process to happen again, but from a south to north trajectory. With that being said, I would assume that northern Italy has some form of rain shadow, but only seasonally. My only conclusion as to why this may be the case, is because Italy is well known for their grapes grown in the northern regions of the country. You'll typically see grapes grown in Mediterranean climates, which have an arid climate during the summer time. With that being said, I'll have to dig deeper on this topic. Maybe I'll touch up on this a bit more and have Europe and the Alps be the focus!