冷涡是一种春冬季常见的自然现象。在中国东北冷涡是比较常见，并且影响力较强的一种。此视频会讲解什么是东北冷涡，并且结合实例讲解东北冷涡对我国的影响，其中包括暴雪、强对流天气等现象。

Cold vortex is a common natural phenomenon in spring and winter.In northeast China, cold vortex is relatively common and has a strong influence.This video will explain what the northeast cold vortex is and explain its influence on China with examples, including blizzards, severe convection and other phenomena.