Which cloud type is normally associated with hail, tornadoes, and microbursts?

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Cumulonimbus clouds are characterized by their large size, towering vertical development, and dark bases. They are often associated with thunderstorms, heavy rain, lightning, hail, tornadoes, and microbursts. Cumulus clouds (B) are puffy, cotton-like clouds with a flat base and often indicate fair weather. Stratus clouds (C) are flat, featureless clouds that typically bring light rain or drizzle. Nimbostratus clouds (D) are low-level, gray clouds that produce continuous rain or snow.

Which Cloud Type Is Normally Associated with Hail, Tornadoes, and Microbursts