Figure: Global Hurricane Frequency (all & major) — 12-month running sums. The top time series is the number of global tropical cyclones that reached at least hurricane-force (maximum lifetime wind speed exceeds 64-knots). The bottom time series is the number of global tropical cyclones that reached major hurricane strength (96-knots+). Adapted from Maue (2011) GRL.
This post refers to statistics for this year’s Atlantic and Global Hurricane season, now likely completed. The chart above was updated by Ryan Maue yesterday. A detailed report is provided by the Colorado State University Tropical Meteorology Project, directed by Dr. William Gray until his death in 2016. More from Bill Gray in a reprinted post at the end.
The article is Summary of 2019 Atlantic Tropical Cyclone Activity and Verification of Authors’ Seasonal And Two-week Forecasts. By Philip J. Klotzbach, Michael M. Bell, and Jhordanne Jones In Memory of William M. Gray. Excerpts…
View original post 3,171 more words
Climate Collections 