4. Gravity Air resistance

5. Curvature Effect

7. Solute Effect Pure Water: High Vapor pressure Small rain drop Salty Water: Low Vapor pressure Large rain drop

11. Table 7-1, p. 166

17. Bergeron Process (ice-crystal process) Ice grows at the expense of water drops.

18. Accretion (riming) Ice collecting suppercooled water drops Results in icy snow pellets called graupel

20. Aggregation Ice collecting small ice particles to make a snow flake

21. Virga

22. Fall Streaks -- icy crystals or snow falling

23. Dendrite snow crystal

24. Fig. 7-11, p. 172

25. Fig. 7-12, p. 173

28. Rime: super cooled drop freezing on contact

29. Freezing Rain: rain freezes on contact.

30. Fig. 7-21, p. 180

31. Fig. 7-23, p. 182 Days with Freezing rain

32. Fig. 5, p. 183

33. Fig. 7-18, p. 179

41. 5.5 inches

42. Polarized light