Unit 9

Hail stone from the hail event in Leipzig (1999). The ruler has metric units. Photo by Nicole Mölders

Learning goals

  • Definition of the seven cloud microphysical processes
  • Classification and description of their sub-categories
  • Understanding of the competition and interaction of cloud microphysical processes
  • Application of the thermodynamics of irreversible processes to discuss homogeneous and heterogeneous nucleation, diffusion, collection, sedimentation, ice enhancement, melting, and breakup processes
  • Execute the concept of mass conservation to be applied when modeling cloud microphysical processes
  • Differentiate between bulk and spectral cloud models

Students’ Tasks

    1. Watch this video on the material that will be discussed in class and take notes
  1. Read chapters 3. to 3.8 (included) of Lectures in Meteorology and take notes
  2. Be able to present the material learned
  3. Fill out the unit questionnaire by 1500 AST the day before class.

The slides used in the video can be downloaded Unit9_ppt.

Video of a simulation of a melting snowflake