Tornadoes are some of the most destructive forces of nature. Learn how tornadoes form, how they are rated, and the country where the most intense tornadoes o...

A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.

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...

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...

2024年1月9日 · A tornado system from March 13 to March 15 is one of the billion-dollar disasters in 2024 at a cost of $5.9 billion. The states affected by tornadoes included Georgia, Illinois, Indiana, Kansas, Kentucky, Missouri, Oklahoma and Ohio.

2024年7月2日 · Prepare for a tornado - information to help residents, communities, and businesses understand the dangers and plan ahead. Current watches and warnings. Recovery after a tornado - recognize possible environmental hazards and what you can do to protect health, and information for communities or businesses dealing with cleanup. Make a kit of supplies.

2024年5月15日 · Here are the top 10 deadliest tornadoes to strike in the United States, according to the Storm Prediction Center. 1. Tri-State Tornado: Missouri, Illinois, Indiana (1925) On …

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.

What is a tornado? A tornado is a narrow, violently rotating column of air that extends from a thunderstorm to the ground. Because wind is invisible, it is hard to see a tornado unless it forms a condensation funnel made up of water droplets, dust and debris. Tornadoes can be among the most violent phenomena of all atmospheric storms we experience.

2021年3月21日 · Here are the worst tornadoes on record worldwide, based on confirmed lives lost: This April 26, 1989, storm was about a mile wide and traveled 50 miles through poor areas of the Dhaka region of Bangladesh. Along with the U.S. and Canada, this is one of the countries most frequently hit by tornadoes.