(Encyclopedia) tornado, dark, funnel-shaped cloud containing violently rotating air that develops below a heavy cumulonimbus cloud mass and extends toward the earth. The funnel twists… Facts and figures about twisters by Ann Marie Imbornoni Related Links U.S. Tornadoes: 1840 to present Deadliest U.S. Tornadoes Tornado Safety (Ask the Editors) Fujita… The Question: Where are safe places to go during a tornado? My mom says the southeast corner of the basement. But what about people with no basement? The Answer… 1840 May 6, Natchez, Miss.: tornado struck heart of the city, killing 317 and injuring over 1,000. 1884… Source: National Weather Service The most expensive tornado outbreak in U.S. history and the deadliest of the year occurred May 3–4, 1999, in Oklahoma and Kansas. In less than 21 hours, a… The Question: Do tornadoes only happen in North America? The Answer: Tornadoes can form anywhere in the world, but they occur most frequently… Find a list of the most deadly and intense tornadoes in the U.S. with casualty information.
1840 May 6, Natchez, Miss.: tornado struck heart of the city, killing 317 and injuring over 1,… The Fujita scale classifies tornadoes according to the damage they cause. Almost half of all tornadoes fall into the F1 or “moderate damage” category. These tornadoes reach speeds of 73-112… Tornado Fatalities by StateStateDeadly tornadoesFatalitiesIndiana125Georgia34Arkansas23Wyoming12Mississippi11Wisconsin11Iowa11Kentucky11Missouri11Total1239By IntensityIntensityDeadly… Since 1971, the United States has used the Enhanced F-Scale to quantify tornado strength and destructive properties based on an assessment of 8 levels of damage to 28 separate indicators. In…