2024年11月26日 · Tornadoes are the most powerful, unpredictable and destructive weather systems on Earth. The National Weather Service (NWS) defines a Tornado as a violently rotating column of air in contact with ...

2012年12月19日 · The first use of the term "Tornado Alley" can be traced to 1952. It was the title of a research project by U.S. Air Force meteorologists Major Ernest J. Fawbush and Captain Robert C. Miller.

2013年3月28日 · The tornado bucked a downward trend in tornado deaths, not only because of its powerful EF4 strength, but also because it hit highly populated areas. For more tornado safety tips, read through the ...

2009年6月18日 · The deadliest single tornado was the "Tri-state" tornado that killed 695 people along a 219 mile long track across parts of Missouri, Illinois and Indiana on March 18, 1925. 9. What city has been ...

2013年6月4日 · The fatal tornado that struck near El Reno, Okla., last Friday (May 31) has been upgraded to an EF5 strength and was a width of 2.6 miles, the widest ever. Here's what allowed it to get so big.

2011年9月20日 · The Joplin tornado stands to pass the 1966 Topeka, Kan., tornado as the costliest in U.S. history. The tornado path was 22 miles (35.4 kilometers) long, and was EF-4/5 strength for 6 miles (9.7 km).

2014年5月16日 · A fire tornado, however, picks up burning embers, ash, flaming-hot gases and flammable debris, creating a terrifying tower of flame that can extend hundreds of feet into the air. Is a firenado ...

2017年9月10日 · In the case of the Oklahoma tornado outbreak, for example, the warm air came north from the Gulf of Mexico, while the cold air came south from Canada. In the case of hurricanes, however, they ...

2011年6月16日 · The Rocksprings tornado was an F-5 on the original Fujita intensity scale that occurred well south of the normal bounds of Tornado Alley, according to the NWS office in Amarillo, Texas. The ...

2013年5月21日 · A devastating tornado struck Moore, Okla., yesterday (May 20), wreaking havoc in the town and killing dozens. Emergency personnel continue to work to search through debris, though the hope of ...