However, because local weather is dynamic due to the change of seasons, eventually warm air masses and a more direct angle of sunlight (higher insolation) cause melting.
haʊˈɛvɚ, bɪkˈʌz lˈoʊkəl wˈɛðɚɹ ɪz daɪnˈæmɪk dˈuː tə ðə tʃˈeɪndʒ ʌv sˈiːzənz, ᵻvˈɛntʃuːəli wˈɔːɹm ˈɛɹ mˈæsᵻz ænd ɐ mˈoːɹ dᵻɹˈɛkt ˈæŋɡəl ʌv sˈʌnlaɪt hˈaɪɚɹ ˌɪnsəlˈeɪʃən kˈɔːz mˈɛltɪŋ.