convective uplift-the hot air is less dense and it rises
orographic lifting-air is forced to rise when it meets a mountain
convergence-thunderstorms are caused by comvergence
frontal wedging-when a cold air mass meets a warm air mass, the colder air wedges its way beneath the less dense warm air
https://quizlet.com/133729750/four-mechanisms-that-cause-air-to-rise-flash-cards/
