Low-Level Clouds

How do the clouds closest to the Earth affect our weather? How are they formed and what do they look like? Earth Science - Weather - Learning Points. Temperature, humidity and air pressure produce ten different types of cloud. Those at the lower level are denser and produce shadows and precipitation. There are four different types of clouds at this level. Some can be violent and produce hail, thunderstorms and tornadoes. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.