also: ジェーピーシーゼット
noun
Japan-Sea Polar-Airmass Convergence Zone; JPCZ
Meteorological term for a convergence zone over the Sea of Japan that often brings heavy snowfall to western Japan.
See also: 日本海寒帯気団収束帯
JPCZの影響で日本海側は大雪になった。
Due to the JPCZ, the Sea of Japan side experienced heavy snowfall.