Weather Trivia - Tornadoes  |
| Glendale area historical tornado activity is significantly above Arizona state average. However, it is 76% less than the overall U.S. average. |
| On September 14, 1971, a category 2 tornado, with maximum wind speeds of 113-157 mph, 10.3 miles away from the Glendale city center caused between $5,000 and $50,000 in damages. |
| On October 3, 1968, a category 2 tornado 14.9 miles away from the city center injured 3 people and caused between $50,000 and $500,000 in damages. |