The most extreme tornadoes can attain wind speeds of more than 480 kilometers per hour (300 mph), can be more than 3 kilometers (2 mi) in diameter, and can stay on the ground for more than 100 km (62 mi). [3][4][5] Various types of tornadoes include the multiple-vortex tornado, landspout, and waterspout.

Learn how tornadoes form, how they are rated, and the country where the most intense tornadoes occur. Subscribe: http://bit.ly/NatGeoSubscribe...more. Tornadoes are some of the most...

2019年5月23日 · Here are the 10 deadliest tornadoes to touch down in the United States, according to figures from NOAA: 1. The “Tri-State Tornado” killed 695 people and injured 2,027. It traveled more than 300...

2019年8月28日 · Learn how these deadly storms form and wreak havoc, and how you can reduce your risk. Tornadoes are vertical funnels of rapidly spinning air. Their winds may top 250 miles an hour and can clear a...

2024年7月16日 · Tornadoes associated with severe storms contribute to billion dollar disasters in the United States. On the National Centers for Environmental Information's website, you can view preliminary tornado occurrences for the current month or the number of tornadoes and associated fatalities by each year.

2017年10月25日 · While 74 percent of tornadoes are weak, they have a significant but reparable effect on humans and nature. The impact of the remaining 26 percent can be much more substantial. Tornadoes are different than other natural disasters, such as hurricanes, because they are confined to a relatively small area (typically a few hundred meters wide).

2025年1月2日 · tornado, a small-diameter column of violently rotating air developed within a convective cloud and in contact with the ground. Tornadoes occur most often in association with thunderstorms during the spring and summer in the mid-latitudes of both the Northern and Southern Hemispheres.

4 小时之前 · A possible tornado ripped through communities near Knoxville, Tennessee, Thursday night causing widespread damage and an unknown number of deaths and injuries.

2 小时之前 · A tornado that swept through a swath of Tennessee left a mother and daughter dead and at least three other people injured as it caused "severe property damage," officials said.

Tornadoes are violently rotating columns of air that extend from a thunderstorm to the ground. Tornadoes can destroy buildings, flip cars, and create deadly flying debris. A tornado can: Happen anytime and anywhere. Bring intense winds, over 200 miles per hour. Look like funnels.