Create or Destroy Water: can this spell completely destroy a Vampire in its mist-form?

@JeremyECrawford Create or Destroy Water: can this spell completely destroy a Vampire in its mist-form? Current HP not withstanding?

— Lodewijk Boute (@Lodewijk_Boute) November 1, 2016

Create or destroy water—the spell can destroy a 30-foot cube of fog. A vampire's mist form is not fog or any other weather effect. #DnD https://t.co/sYBzjLmhfE

— Jeremy Crawford (@JeremyECrawford) November 1, 2016