If you picked the right spot at the right time of the month, could you get a mushroom cloud in "profile"? That would look pretty cool, though maybe still not la

If you picked the right spot at the right time of the month, could you get a mushroom cloud in "profile"? That would look pretty cool, though maybe still not large enough to see with the naked eye. I don't have a good intuition of the scales involved. [Edit: Or, wait: a mushroom cloud depends on atmosphere, doesn't it? So... What would a blast-created cloud of dust look like in a vacuum? Just a cloud? Yeah, not so impressive a visual.]