Some sources that can explain it better that I can: https://physics.stackexchange.com/questions/255844/do-clouds-reflect-ambient-noise https://physics.stackexc

Some sources that can explain it better that I can: https://physics.stackexchange.com/questions/255844/do-clouds-reflect-ambient-noise https://physics.stackexchange.com/questions/255844/do-clouds... https://physics.stackexchange.com/questions/133198/why-do-i-always-hear-remote-train-horn-at-night/133207#133207 https://physics.stackexchange.com/questions/133198/why-do-i-...