1. Cloud Types Dr. Dave Dempsey Professor of Meteorology Department of Geosciences San Francisco State University Dr. Dave Dempsey Professor of Meteorology Department of Geosciences San Francisco State University

2. Steam fog on lake surface Steam fog on lake surface Lassen National Park, CA ~ 6,000 ft. elevation October calm clear night

3. Steam devil (steam fog) Yellowstone National Park, WY geothermal hot pool breeze blowing across pool

4. Steam devil (steam fog) Steam devil (steam fog) Yellowstone National Park, WY geothermal hot pool breeze blowing across pool

5. Port Townsend, Washington Mixing clouds

6. Contrail and altocumulus clouds Olympic Mts., WA

7. Contrails Mt. St. Helens, WA taken May 20, 1979 mountain erupted May 18, 1980

8. Eastern Sierra Nevada Mts. and Mono Lake, CA Contrails

9. Radiation fog and altostratus clouds Santa Rosa Valley, CA April pre-dawn calm clear night

10. Santa Rosa Valley, CA (sunrise, April) Radiation fog

11. Central Valley near Chico, CA (morning in December; clear night) Radiation fog

12. Central Valley near Chico, CA (morning in December; clear night) Radiation fog

13. Central Valley near Chico, CA (morning in December; clear night) Radiation fog

14. San Francisco Peninsula, Crystal Springs Reservoir (June) Advection fog

15. San Francisco Peninsula (looking southwest; June) Advection fog

16. San Francisco (June) Advection fog

17. San Francisco (June) Advection fog

18. Golden Gate, San Francisco June

19. Stratus clouds (marine push) North Cascades National Park, WA ~ 6,000 ft. elevation well inland from Puget Sound

20. Cirrus clouds Western Colorado

21. Cirrus clouds Acoma Pueblo, NM

22. Cirrocumulus clouds Baja California

23. Mt. Everest, Nepal Cirrostratus (halo, arcs, etc.)

24. Mono Lake, CA Mid- and high-level clouds

25. Mono Lake, CA Mid- and high-level clouds

26. Point Reyes, CA (Sept.) Altocumulus clouds

27. Western Colorado (June) Altocumulus clouds

28. Death Valley, CA (March) Altocumulus & cumulus clouds

29. Altocumulus clouds Chico, CA Daisies summer

30. Boulder, Colorado Stratocumulus (roll) clouds

31. S.E. Utah (May) Fairweather cumulus clouds

32. Mono Lake, CA (Aug.) Stratocumulus clouds

33. Crater Lake N.P, Oregon (July) Cumulus clouds

34. San Luis Valley, Colorado (June) Cumulus cloud

35. Eastern Colorado (June) Cumulus clouds

36. Eastern Utah (July) Cumulonimbus & cumulus clouds

37. Western Colorado (July) Cumulonimbus & cumulus clouds

38. Eastern Utah (July) Cumulonimbus cloud

39. Death Valley N.P., CA (March) Cumulonimbus cloud with anvil

40. Death Valley N.P., CA (March) Cumulonimbus cloud with anvil

41. Mojave desert, CA (March) Cumulonimbus cloud with anvil

42. Northern New Mexico (Feb.) Cumulonimbus cloud, snowing

43. Eastern Colorado (May) Cumulus cloud with rotating mesocyclone

44. Eastern Colorado (May) Cumulus cloud w/rotating mesocyclone, dust updraft

45. North Texas (May) Cumulus cloud w/wall cloud, tornado

46. Yellowstone N.P., WY (June) Mammatus clouds beneath cumulus anvil

47. S.E. Utah (August) Virga (evaporating rain)

48. Pileus cap cloud on cumulus cloud Cirrus clouds

49. Baja California (Feb.) Orographic wave clouds (lens clouds)

50. Cap cloud Mt. St. Helens, WA (May 1979, before it’s May 1980 eruption)

51. Cap cloud Mt. St. Helens, WA (May 1979, before its May 1980 eruption)

52. Orographic Precipitation and Rain Shadow

53. California Topography and Precipitation

54. Temperate rainforest Hoh rainforest, Olympic National Park, WA annual rainfall ~ 160”

55. North American Deserts  Great Basin  Mohave  Sonoran  Chihuahuan North American Deserts  Great Basin  Mohave  Sonoran  Chihuahuan

56. Sand dunes, Eureka Valley, Death Valley NP, CA

57. Precipitation Pattern, Maui, Hawaii

58. Hanakapiai Falls, Na Pali coast, Kauai, Hawai  annual rainfall ~ 80” Hanakapiai Falls, Na Pali coast, Kauai, Hawai  annual rainfall ~ 80”

59. Big Island of Hawaii Mauna Loa, Mauna Kea, prickly pear cacti