Even in Oklahoma -- where, as we know, "the wind comes sweeping down the plain" -- thunderstorms don't simply pop up. Atmospheric conditions must be just right. What are the three characteristics the atmosphere must have in order for a thunderstorm to form?


Sufficient water pressure, an unstable lapse rate, and a lifting action


Sufficient water vapor, heat, and a lifting action


Towering cumulus clouds, a stable lapse rate, and heat


Sufficient water vapor, an unstable lapse rate, and a lifting action

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