雷雨 らいう細胞 さいぼうでしょう
raiu saibōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 雷雨細胞

1. Probably a thunderstorm cell.; Likely a thunderstorm cell.

Polite
Presumptive
Conjecture
Meteorology