"If you ask for a METAR in flight they don't read it to you in code!'
No, but "they" have to decode it to read it to you in language you will understand.
The original question was for a decode of the strange looking bit at the end. I wonder just how many people outside of the Met Bureau could correctly decode that bit of the message that was queried. So far, I'm not sure anyone has offered the correct interpretation of that part of that message. I've offered as much as I can; sorry that I can' t do better right now.
Not sure what morse code has to do with anything either.
If anyone does know what that odd bit means, I'd be interested to learn something. Please feel free to help out.
Cheers,
Cn