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2. TornadoesIt was an extremely active year for tornadoes in the United States. An estimated 125 people died in nearly 1,500 tornadoes across the country, making it one of the top 10 deadliest January-October periods since reliable record-keeping began in 1953. Other unusual events included powerful January twisters in Wisconsin and Washington state.Global Warming Link: As of yet, there is no proven link between tornadoes and global warming. However, the La Niña storm track in the spring meant all cyclones moving across the U.S. picked up warm, moist air from the Gulf of Mexico, which provided more energy for all the thunderstorms and created increased instability and risk of tornadoes. Expert: Kevin Trenberth, trenbert@ucar.edu, 303-497-1318 or Stu Ostro, sostro@weather.com, 404-210-7105 Consensus Science: No consensus science studies have yet reported a link between tornadoes and global warming. However, sea surface temperatures worldwide are about 1 degree Fahrenheit higher than they were 40 years ago. Warmer temperatures increase the amount of water vapor in the air, which, in turn, produces more energy to fuel storms. Back to Extreme Weather 2008 Home |
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1. Hurricane Ike |
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