Verbal Subtle spell vs Counterspell

@mikemearls @JeremyECrawford If a Sorcerer casts a spell with only V and/or S components using Subtle Spell, can it be Counterspelled?

— Noone in particular (@GroudonGuru) September 10, 2015

Subtle Spell is meant to protect a spell w/o material components from counterspell, since you can't see the casting. https://t.co/Q7IhCeMWhH

— Jeremy Crawford (@JeremyECrawford) September 10, 2015