tornado-information-guide.pdf
caused by a T5 tornado. How big are tornadoes? Tornado size and intensity vary greatly. Typically, a tornado is 20 to 100 metres wide at the earths surface, lasts for a few minutes and has a track of around a mile (1.6 km). Wind speeds typically range from 75 to 100 mph (120 to 180 km/h). The largest