Abstract
Abstract. In this paper, the possible connection between the frequency of Atlantic hurricanes to the climate change, mainly the variation in the Atlantic Ocean surface temperature has been investigated. The correlation between the observed hurricane frequency for different categories of hurricane’s intensity and Sea Surface Temperature (SST) has been examined over the Atlantic Tropical Cyclogenesis Regions (ACR). The results suggest that in general, the frequency of hurricanes have a high correlation with SST. In particular, the frequency of extreme hurricanes with Category 5 intensity has the highest correlation coefficient (R = 0.82). In overall, the analyses in this work demonstrates the influence of the climate change condition on the Atlantic hurricanes and suggest a strong correlation between the frequency of extreme hurricanes and SST in the ACR.
Highlights
Climate change and global warming are apparent across a wide range of observations
The results suggest that in general, the frequency of hurricanes have a high correlation with Sea Surface Temperature (SST)
To categorize hurricanes according to their intensities and study the related influence of global warming on the frequency of each category, the first step is to produce a hurricanes Lifetime Maximum Intensity (LMI) data set for the required region and time period from the best tracks
Summary
Climate change and global warming are apparent across a wide range of observations. As a result, certain types of extreme weather events have become more frequent and intense, such as heat waves or floods and droughts in some regions. Tropical Cyclones (TC) and hurricanes are among the most destructive kinds of storms in nature They bring violent wind, flooding rains and cause significant economic and social disruptions. Hurricane intensification might have a statistical relationship with higher SST values (Fraza and Elsner, 2015) or be related to the location of high SST values (Sun et al, 2007). When all these topics are underlined, an assumption should be made, i.e., the most direct parameter controlling the influence of climate change conditions on hurricanes is SST. To investigate the possible correlation between frequency and warmer SST in each category of intensity separately
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