I've had same problem but couldn't find out the cause or culprit... I am leaning towards something ate the roots of said branch and made it die. Grubs come to mind... that's my theory
Which do you grow? If both, compare the pros and cons, realize there is countless topics all over the internet, wanna hear THIS forums opinions.
I never have grown clone, so just curiosity caught me.
Let's discuss.
Manifestating that the winds stay subtle and light the rain I don't mind so much, but rain with wind during flower is a pain and high chances of snapped branches