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4 0 3 . 0 2

4 0 3 . 0 2. Clouds. Cumulus form in rising air currents and indicate unstable air. Stratus form in horizontal layers and indicate stable air. CLOUDS. Families:. Height of Bases:. LOW (STRATO) surface - 6,500ft MIDDLE (ALTO) 6,500ft - 23,000ft

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4 0 3 . 0 2

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  1. 4 0 3 . 0 2 Clouds

  2. Cumulus form in rising air currents and indicate unstable air Stratus form in horizontal layers and indicate stable air CLOUDS

  3. Families: Height of Bases: • LOW (STRATO) surface - 6,500ft • MIDDLE (ALTO) 6,500ft - 23,000ft • HIGH (CIRRO) 16,500ft - 45,000ft • VERTICAL 1,500ft - above DEVELOPMENT

  4. HIGH CLOUDS

  5. CIRRUS (CI) • Thin delicate wisps

  6. CIRRO-CUMULUS (CC) • Thin cottonball like

  7. CIRRO-STRATUS (CS) • Thin high sheet • Produces “Halo” effect • Often indicates the approach of a warm front

  8. MIDDLE CLOUDS

  9. ALTOCUMULUS (AC) • Layers of rounded masses of cloud

  10. ALTOSTRATUS (AS) • Thick grey clouds that often cover the entire sky • May give some light rain or snow

  11. ALTOCUMULUS CASTELLANUS (ACC) • Altocumulus with turrets

  12. Confirmation Stage NOTE: You must use the buttons in the Confirmation Stage

  13. Meteorology Clouds Let's try a few review questions on Meteorology: Question #1 - What is the height of middle clouds? A 1,500-6500 feet B 6,500-23,000 feet C 16,500-45,000 feet D 23,000-45,000 feet

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  17. Flying Scholarship Program That answer iscorrect. Let's move on...

  18. Meteorology Clouds Let's try a few review questions on Meteorology: Question #2 - What type of cloud produces a halo effect? A Altostratus B Altocumulus Castellanus C Cirrostratus D Cirrocumulus

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  20. Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

  21. Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

  22. Flying Scholarship Program That answer iscorrect. Let's move on...

  23. LOW CLOUDS

  24. STRATUS (ST) • A uniform layer, like fog, but not resting on the ground • Drizzle often falls from stratus

  25. STRATUS FRACTUS (SF) • Pieces of Stratus

  26. STRATOCUMULUS (SC) • A thin layer of rounded masses of cloud

  27. NIMBOSTRATUS (NS) • A low layer of uniform, dark grey cloud

  28. CLOUDS OF VERTICAL DEVELOPMENT

  29. CUMULUS (CU) • Thick • Rounded and lumpy • Resemble cotton balls

  30. Cumulus Fractus (CF) • Broken Cumulus

  31. TOWERING CUMULUS (TCU) • Cumulus that builds up into high towering masses • Rough air underneath • Heavy icing in cloud

  32. CUMULONIMBUS (CB) • Heavy masses of cumulus • Anvil top • Violent vertical currents • CB clouds should be avoided by all aircraft

  33. Clouds of Vertical Development • bases as low as 1,500 feet • composed of: • water droplets • supercooled water droplets • ice crystals.

  34. Confirmation Stage NOTE: You must use the buttons in the Confirmation Stage

  35. Meteorology Clouds Let's try a few review questions on Meteorology: Question #3 - What are clouds of vertical development composed of? A Water droplets B Ice crystals C Supercooled water droplets D All the above

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  40. Meteorology Clouds Let's try a few review questions on Meteorology: Question #4 - What cloud is thick gray and often covers the entire sky? A Altostratus B Cirrus C Altocumulus D Cirrostratus

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  42. Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

  43. Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

  44. Flying Scholarship Program That answer iscorrect. Let's move on...

  45. Meteorology Clouds Congratulations!! You have now completed the Clouds lesson of the Meteorology Module. Of course, this lesson is always available to you for future reference if required. You are now ready to move along to the next Meteorology lesson you have not completed or to any other module you wish. You can advance to the Self Test Module if you feel ready to challenge the final exam. Good Luck!

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