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>> A conditionally unstable atmosphere exists when the decrease in air temperature with height falls between the moist and the dry adiabatic rate.

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A conditionally unstable atmosphere may become unstable if a rising air parcel becomes saturated and a cloud forms.

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The latent heat released inside the cloud warms the air to the point that the rising air is now warmer and less dense than the air surrounding it.

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The cloud will continue to build until the rising air inside the cloud becomes the same temperature as the air surrounding the cloud.

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