#3 a little bit about the clouds

Cumulus

Cumulus clouds are the clouds you learned to draw at an early age and that serve as the symbol of all clouds (much like the snowflake symbolizes winter). Their tops are rounded, puffy, and a brilliant white when sunlit, while their bottoms are flat and relatively dark.

When You'll See Them
Cumulus clouds develop on clear, sunny days when the sun heats the ground directly below (diurnal convection). This is where they get their nickname of "fair weather" clouds. They appear in the late morning, grow, and then disappear toward evening.

https://www.thoughtco.com/types-of-clouds-recognize-in-the-sky-4025569

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