To quote Full Metal Jacket, "What the fuck is this?"

I came back to the office to find my car covered in what looks almost like flour. Every other car in the lot had this on it, too. Someone said it might be ash, but I have no idea where that would have come from. Nothing was on fire, and there aren’t any factories close by. It’s never happened before, either.

Another guy suggested it could be human waste from an airplane, but I haven’t found any evidence of that falling as a powder anywhere. I think he was just trying to be funny.

But still, what the hell is it and where did it come from?

(We use spots originally designed for semis, so that’s why nobody is pulled in the same amount. We’re all parked correctly, I swear.)