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1991年9月18日晚至次日上午8点40分,在渤海辽东湾海域,北纬40°27′、东经121°27′附近的海面上产生了一系列的龙卷风。引起了当时在这一区域进行海上作业的钻井船上人员的惊恐和严重关注。最终由于龙卷风一直未通过钻井船,才使钻井船及船上人员安然无恙。而由于龙卷风就发生、形成和消失在离当时钻井船很近的海面上,因此给我们提供了一个观察和较详细了解以至研究龙卷风的机会。这里第一个龙卷风旋柱体的发现,是在1991年9月18日晚,开
On the evening of September 18, 1991 to 8:40 the next day, a series of tornadoes were produced on the surface of the Liaodong Bay in the Bohai Sea at a latitude of 40 ° 27 ’north latitude and 121 ° 27 longitude longitude. Caused panic and serious concern to personnel on the drilling rig that were then engaged in offshore operations in the area. As a result of the tornado has not been through the drilling rig, drilling rigs and ship crew safe and sound. Since the tornado took place and formed and disappeared on the sea surface close to the drilling vessel at that time, it provided us with an opportunity to observe and learn more about tornadoes. The discovery of the first tornado spin column here was on the evening of September 18, 1991