爆弾 ばくだん てい気圧 きあつではありません
bakudante iki atsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 爆弾低気圧

1. It is not a bomb low-pressure system.; It is not a bomb cyclone.

Negative
Polite
Formal Register