Why does water become vapor in cold air instead of snow?

[Amok]

https://www.youtube.com/watch?v=2-vJPOFwz5E

I came across a lot of these videos and people say the water is ''vaporized''. I thought about this and why would water become vapor in cold conditions? Isn't it simply becoming snow? What would happen if she had thrown cold water into the air? I

 

[JaredJames]

Can't see the video.

 

[Amok]

What do I have to put the youtube tags around?

 

[JaredJames]

Just the last random looking letters ( 2-vJPOFwz5E ), ditch the rest.