Stable and Unstable Air

What's the weather like outside? That depends whether the atmosphere is stable or unstable.

Picture an invisible box of air called an air parcel. If we compare the temperature of this air parcel to the temperature of air surrounding it, we can tell if it is stable (likely to remain in place) or unstable (likely to move).

Check out these examples of stable and unstable air! Click the play buttons below to see what happens!

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