How Fast Is Tornado (EF4)?

EF4 tornadoes pack 300+ km/h winds. The 1999 Bridge Creek-Moore tornado in Oklahoma reached 486 km/h — the fastest wind ever measured on Earth, fast enough to drive a blade of grass through a wooden plank.

The strongest tornado ever measured drove blades of grass through wooden planks at 486 km/h.

• Faster than highway driving
• Record: 486 km/h, Oklahoma 1999