Portal:Weather/On this day list/May 21
May 21
[edit]1953: A deadly tornado killed 2 people in Port Huron, Michigan, and crossed the St. Clair River into Canada where it killed 4 more people in Sarnia, Ontario.
1976: Typhoon Pamela passed over the island of Guam, damaging or destroying 80% of the island's buildings but only killing one person.