What happened in Yancheng in the 1960s?

Yancheng suffered natural disasters in the 1960s. According to relevant public information, Yancheng was hit by a devastating tornado on March 3rd, 1966. Tornado, that is, a sharply rotating funnel-shaped cloud column extending from cumulonimbus clouds. It is a vertical hollow rotating airflow between the bottom of the direct cloud system and the underlying surface, and it is a disastrous weather phenomenon at local scale.