This is an audio version of the Chapter 16 titled "Weather", Section 1 "Weather and Water in the Atmosphere" in the CK12 Earth Science for Middle School Book by Authors Jean Brainard Ph.D. and Julie Sandeen created and used under the Creative Common Attribution/Non-Commercial/Share Alike 3.0 Unported (CC-by_NC-SA) License (http://creativecommons.org/licenses/by-nc-sa/3.0/). Don't forget to say thanks at http://www.ck-12.org/saythanks/