They are called "cumulus" clouds, and sometimes are colloquially called "fair weather" clouds.
Cumulonimbus clouds are also called thunderheads.
These clouds are called nimbostratus,cumlus ,cumulonimbus
Black clouds in the sky are typically called storm clouds or cumulonimbus clouds. These clouds are often associated with heavy rain, thunderstorms, and sometimes hail.
Fluffy cotton-like clouds are called cumulus clouds. These clouds are typically seen on fair weather days and have a distinctive puffy appearance.
cirrus clouds
clouds.
"Fluffy cotton-like clouds are called cumulus clouds."
Sheetlike clouds are called stratus clouds. They are low-lying, layered clouds that often cover the sky like a blanket.
Cumulonimbus clouds are what heaps of rain clouds are called. Vertical clouds are the heaped up ones, so their names include the root " cumulus." The big, towering storm clouds are called cumulonimbus.
Thick puffy clouds are called cumulonimbus clouds. They are associated with thunderstorms and can bring heavy rain, thunder, and lightning.
cumulonimbus clouds