Global decline in frequency

Source: Nature.com

Nature Climate Change, Published online: 27 June 2022; doi:10.1038/s41558-022-01414-5

Quantifying historical trends in tropical cyclone activity has proved difficult, but a new reconstruction reveals a clear global decline over the past century, driven by an increasingly cyclone-hostile environment in the troposphere.

https://www.nature.com/articles/s41558-022-01414-5