Ayumi: It's snowing.
Dean: No it's not.
Ayumi: Yes it is. I see snow on the ground.
Dean: But that doesn't mean it's snowing, it snowed but it's not snowing right now.
Ayumi: If I see snow on the ground, even if it's not physically snowing at that precise moment, it's snowing somewhere up in the mountains. YOOMS LOGIC.