寒冷 かんれい前線 ぜんせんじゃなかったです
kanreizensenjanakattadesu

Noun
Desu Copula

The polite, past negative form of 寒冷前線

1. Wasn't a cold front.; Wasn't cold front-like.

Past/Perfective
Negative
Polite
Casual Register
Meteorology