ˌætməsfˈɛɹɪk θˌɜːmoʊdaɪnˈæmɪks dᵻskɹˈaɪbz ðɪ ɪfˈɛkt ʌv bˈɔɪənt fˈoːɹsᵻz ðæt kˈɔːz ðə ɹˈaɪz ʌv lˈɛs dˈɛns wˈɔːɹmɚ ˈɛɹ, ðə dᵻsˈɛnt ʌv mˈoːɹ dˈɛns ˈɛɹ, ænd ðə tɹænsfoːɹmˈeɪʃən ʌv wˈɔːɾɚ fɹʌm lˈɪkwɪd tə vˈeɪpɚ ɪvˌæpɚɹˈeɪʃən ænd ɪts kɑːndɛnsˈeɪʃən.
Atmospheric thermodynamics describes the effect of buoyant forces that cause the rise of less dense (warmer) air, the descent of more dense air, and the transformation of water from liquid to vapor (evaporation) and its condensation.