Updraft

You conjure a small invisible cyclone of wind on a 5 foot cube on a surface you can see. When a creature that is medium or small enters the space the for the first time, they must make a dexterity saving throw or be launched 10 feet away from the surface the spell was on and knocked prone. 

If you launch a creature into the air with this spell, they will be launched an additional 10 feet up for every spell level above first.