西せい高こう東とう低てい

noun

high pressure to the west, low pressure to the east

A meteorological pattern describing a winter pressure configuration over Japan, often associated with cold, clear weather on the Pacific side and snow on the Sea of Japan side.

• 冬ふゆ型がたの気き圧あつ配はい置ちは西せい高こう東とう低ていです。

  The winter pressure pattern is high to the west and low to the east.

• 西せい高こう東とう低ていの気き圧あつ配はい置ちが強つよまると、日本にほん海かい側がわで大おお雪ゆきになる。

  When the west-high, east-low pressure pattern intensifies, heavy snow falls on the Sea of Japan side.