Between 1982 and 1994 there were 10 cases of rapid intensification on average per year. Between 2005 and 2017, that figure doubled to 20 cases per year

1982

1985

1990

1995

2000

In 2005, there were 39 cases of rapid intensification

2005

2010

2017 had 40 cases of rapid intensification in hurricanes, the highest number since 1982

2015

2017

10

0

30

20

2017 had 40 cases of rapid intensification in hurricanes, the highest number since 1982

In 2005, there were 39 cases of rapid intensification including in Hurricane Wilma, whose winds increased by 95mph in 24 hours

30

There were zero cases

of rapid intensifiction in 2013

20

10

0

1982

1985

1990

1995

2000

2005

2010

2015

2017

2017 had 40 cases of rapid intensification in hurricanes, the highest number since 1982

30

20

There were zero cases of rapid intensifiction in 2013

10

0

1982

1985

1990

1995

2000

2005

2010

2015

2017