![]() ![]() it's an unanswered question, essentially. There is evidence that suggests both yes and no.Ĭarbin: "With respect to a connection to climate change. So right now, no indication of an upward trend in the strong to violent tornadoes that we're seeing."Īre strong tornadoes a result of global warming? Short Answer: Unknown. It's just that these things are coming, and they're very rare and extreme, and they happen to be hitting populated areas. When you take out the F-0 tornadoes from the long-term record, there is very little increase in the total number of tornadoes, and we don't see any increase in the number of violent tornadoes. We've had a lot more reports of tornadoes, but most of those tornadoes are actually the weak tornadoes, the F-0. Have there been more tornadoes in 2011 than previous years? Short Answer: No, the tornadoes are just hitting populated areas.Ĭarbin: "There is no indication of an upward trend in either intensity or numbers. So there have been many years in the past over the past couple of generations in which we've exceeded 500 fatalities in a year, it's just that they haven't occurred recently." That is something we have not experienced in this country in over 35 years and it still looks like we're still around the number nine as far as the deadliest year on record. We're now approaching about 500 fatalities for the year to date, just under that. The average killer tornado claims about two lives and so what's going on this year is something well above that. Meteorologist Greg Carbin: "In the past decade the average annual death toll from tornadoes has been around 60 to 70 people. The average death toll is normally 60 to 70. Is the death toll in 2011 significantly higher than previous years? Short Answer: Yes. Sunday evening's tornado in Joplin has caused the highest death toll from a single tornado in more than 50 years.ĪBC News spoke with lead forecaster Greg Carbin of the National Weather Service's National Severe Storm Laboratory and asked him why the 2011 tornado season has been so extraordinarily devastating. ![]() The carnage in Joplin, Missouri, has only added to an already-horrific year for tornadoes in the U.S. ![]()
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