Science

Why Are There Clouds?

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Want to learn more about the topic in this week’s video? Here are some key words/phrases to get your googling started:
– Lifting Condensation Level (LCL): The altitude at which the water vapor in rising air begins to condense
– Adiabatic Cooling: describes the process by which an air blob cools as it rises (and as air pressure drops)
– Latent heat: the energy absorbed by water molecules during evaporation and released during condensation
– Energy of Vaporization: The amount of energy it takes for a liquid to evaporate
– Ideal Gas Law: The rule about how a volume of gas at a constant temperature and pressure always has the same number of molecules
– Supercell: A really big thunderstorm. Like, the biggest.

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References:

Abraham. F.F. (1974) Homogeneous Nucleation Theory: The Pretransition Theory of Vapor Condensation. Academic Press
http://books.google.com/books?hl=en&lr=&id=Kr0YJs7WPl8C&oi=fnd&pg=PP1&dq=water+vapor+condensation&ots=rczn1FI2Va&sig=uzYFuWSXR6cq6Yqo1-f4PcNcO4A#v=onepage&q=galaxy&f=false

Cameron Balloons (Accessed February 2015) Web Resource
http://www.cameronballoons.com/atype.html

Grützun, V. (Accessed February 2015) Cloud Microphysics Part I. Lecture Notes. Web Resource
http://www.mi.uni-hamburg.de/fileadmin/user_upload/staff/gruetzun/Teaching/IMPRS_Course/imprs-course_20111205-09.pdf

Grützun, V., personal communication, 2015

Houze, R.A., Jr. (2014) Cloud Dynamics. Academic Press. eBook
https://books.google.com/books?id=GXEpAgAAQBAJ

Mental Floss (Accessed February 2015 ) How Much Does a Cloud Weigh? Web Resource http://mentalfloss.com/article/49786/how-much-does-cloud-weigh

Pruppacher, H.R., Klett, J.D. (2010) Microphysics of Clouds and Precipitation. eBook Springer Science & Business Media, Jun 25, 2010.
https://books.google.com/books?id=0MURkyjuoGMC

The Weather Window (Accessed March 2015) Web Resource
http://weather.mailasail.com/Franks-Weather/Latent-Heat

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