1. Cloud descriptions

2. Today Homework in More clouds

3. Low Clouds 3.Low Clouds - Stratus (St) - Stratocumulus (Sc) - Nimbostatus (Ns) Low clouds are usually below 2000m and consist primarily of water droplets. The sun cannot be seen through stratus clouds.

4. Nimbostratus Cloud Figure 6.14 Low clouds (below 2000m) with precipitation that reaches the ground. Shredded parts of these clouds are called stratus fractus or scud.

5. Stratocumulus Clouds Low clouds with rounded patches that range in color from light to dark gray. With your hand extended overhead, they are about the size of your palm and cover most of the sky. Figure 6.15

6. Stratus Clouds Figure 6.16 Low clouds that resemble a fog, but do not reach the ground, and can generate a light mist or drizzle.

7. Clouds With Vertical Development 4.Clouds With Vertical Development - Cumulus (Cu) - Cumulonimbus (Cb)

8. Cumulus Humilis Clouds Clouds with vertical development that take a variety of shapes, separated by sinking air and blue sky. Shredded sections are called cumulus fractus. Figure 6.17

9. Cumulus Congestus Clouds Figure 6.18 Clouds with vertical development that become larger in height, with tops taking a ragged shape similar to cauliflower.

10. Cumulonimbus Cloud Clouds with vertical development that have grown into a towering thunderstorm cloud with a variety of key features, including the anvil top. Figure 6.18

11. Cumulonimbus (Cb) - Thundercloud

12. Summary of Cloud Types Figure 6.20

13. Some Adjectives Castellanus -- Tower-like vertical development. Congestus -- Crowded in heaps Lenticularis -- Lens shaped Mammatus -- Hanging protuberances Pileus -- Cap Cloud

14. Lenticular Clouds Figure 6.21 An unusual cloud that has a lens shape and forms in the crest of a wave.

15. Banner Cloud A lenticular cloud that forms downwind of a mountain peak and is regularly replenished by condensing water vapor. Figure 6.22

16. Pileus Cloud Figure 6.23 An unusual cloud that forms above a building cumulus by deflected moist winds.

17. Mammatus Clouds An unusual cloud that hang like sacks, formed by sinking air with a high water content. Figure 6.24

18. Jet Contrails Figure 6.25 Jet engine exhaust provides vapor and nuclei for condensation trails (contrails), which evaporate quickly in dry air, but linger with higher relative humidities.

19. Nacreous Clouds An unusual cloud best viewed at winter in the poles and forms in the stratosphere. Figure 6.26

20. Noctilucent Clouds Figure 6.27 An unusual wavy cloud that is best viewed at the poles and forms in the upper mesosphere.

21. Altocumulus (Ac)

22. Cirrus (Ci)

23. Stratocumulus (Sc)

24. Stratus (St)

25. Cirrus (Ci)

26. Cirrostratus (Cs)

27. Cumulus (Cu)

28. Altostratus (As)

29. Stratocumulus (Sc)

30. Cumulonimbus (Cb)

31. People I need to see (briefly) Anyone who collected a scantron with “FILL THIS IN” in red ink on the back. Kyle Briscoe, Brandon Menke