West Pacific Hurricane Trend – Rising with?
This visible image of Haima was taken on October 19 at 1:35 a.m. EDT (05:35 UTC) from NASA-NOAA’s Suomi NPP satellite. The Superstorm’s cloud-filled eye was clearly visible and surrounded by dense bands of powerful thunder. Credit: NOAA / NASA’s MODIS Rapid Response Team
JANUARY 5, 2022
By Paul Homewood
For natural reasons, most attention is focused on Atlantic hurricanes rather than elsewhere.
The Japan Meteorological Agency publishes data on the annual number of tropical cyclones that reach the lowest tropical storm frequency in the western Pacific:
https://www.jma.go.jp/jma/jma-eng/jma-center/rsmc-hp-pub-eg/climatology.html
Any trend there seems to be downward.
The JMA doesn’t give a division between hurricanes and hurricanes, but we can get this information from Wikipedia:
The number of tornadoes reaching hurricane strength, 74 mph, showed a clear decline.
The trend is less obvious for superstorms, effectively Cats 4 and 5 on the Saffir Simpson scale. There was a sharp decline in the 1970s and 80s. Since then, the numbers have returned to pre-1970 levels.
https://en.wikipedia.org/wiki/Pacific_typhoon_season
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