Erin's central pressure has significantly decreased, making it the fastest deepening Atlantic hurricane before September 1st. With a pressure of 917 mb, Erin ranks as the second-most intense Atlantic hurricane in the last 50 years, only behind Hurricane Allen from 1980. Research indicates that such rapid intensification is becoming common due to climate change. Despite an overall stable number of tropical storms, the proportion of severe hurricanes is expected to increase. The 2019 study suggests intensification rates have risen significantly over recent decades, correlating with anthropogenic climate factors.
Erin's rapid intensification, with a central pressure drop to 917 mb, makes it the fastest deepening Atlantic hurricane before September 1st, overtaking Emily from 2005.
Storms like Erin are projected to become more frequent due to climate change's influence, evidenced by increased intensification rates of the strongest Atlantic hurricanes.
Starting from 1982 to 2009, the intensification rates of the strongest 5 percent of Atlantic hurricanes rose by about 3-4 mph per decade.
Although the number of tropical storms may not increase, the number of intense storms (Category 4 and 5) is likely to rise due to human-caused climate change.
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