A front occurs when cool, dry air from the north meets warm, humid air coming from the south, from the Gulf of Mexico,for tornadoes in the United States.
北部干冷气流遇到来自南部墨西哥湾的湿热气流之后形成峰,进而在美国本土生成龙卷风。
A front occurs when cool, dry air from the north meets warm, humid air coming from the south, from the Gulf of Mexico,for tornadoes in the United States.
北部干冷气流遇到来自南部墨西哥湾的湿热气流之后形成峰,进而在美国本土生成龙卷风。