Atmospheric thermodynamics is the study of heat-to-work transformations (and their reverse) that take place in the earth's atmosphere and manifest as weather or climate.
ˌætməsfˈɛɹɪk θˌɜːmoʊdaɪnˈæmɪks ɪz ðə stˈʌdi ʌv hˈiːttəwˈɜːk tɹænsfoːɹmˈeɪʃənz ænd ðɛɹ ɹᵻvˈɜːs ðæt tˈeɪk plˈeɪs ɪnðɪ ˈɜːθz ˈætməsfˌɪɹ ænd mˈænɪfˌɛst æz wˈɛðɚ ɔːɹ klˈaɪmət.