2. High Clouds Polar Region Temperate Region Tropical Region Forms between 20,000 – 60,000 feet Forms between 16,500 – 40,000 feet Forms between 10,000 – 25,000 feet
18. Other Clouds A few clouds can be found above the troposphere; these include noctilucent and polar stratospheric clouds. Some clouds form as a consequence of interactions with specific geographical features. An example of this is Morning Glory.