The Mean Pressure Field Characteristic to Persistent Cold Waves in the Far East

[摘要]  The pressure patterns characteristic to extreme warmth and coldness in north Japan are compared with each other on various composite maps and 500 mb correlation field. It is found that the eastward shift of the Far Eastern permanent trough due to the combined effect of the geographical condition of the Far East and the decrease of zonal index is responsible to the large scale cold waves in north Japan.

[学科分类] 大气科学