Has the global number or intensity of hurricanes and tropical storms increased over the past 30 years?
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Data published in the journal Geophysical Research Letters shows that the number and intensity of hurricanes and tropical storms are about the same as 30 years ago. Additionally, the IPCC reported in 2012: "There is low confidence in any observed long-term (i.e., 40 years or more) increases in tropical cyclone activity (i.e., intensity, frequency, duration), after accounting for past changes in observing capabilities."
DocumentationGlobal Warming & Extreme WeatherIPCC Report on Extreme Events
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