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the first autumn typhoon of 2024, "makar", is gradually approaching. its intensity increased three levels in 24 hours (from 15:00 on the 3rd to 15:00 on the 4th). by 16:00 on the 4th, it had strengthened to a strong typhoon level, and then strengthened from a strong typhoon level to a super typhoon level at 23:00 on the 4th. what are the characteristics of autumn typhoons?

autumn typhoons make less landfall than summer typhoons

the so-called autumn typhoons, in meteorology, generally refer to typhoons generated from september to november. on average, 11.38 autumn typhoons are generated each year, of which 2.26 land in my country; an average of 11.62 summer typhoons (june-august) are generated each year, of which 4.36 land in my country.although the number of autumn typhoons generated is basically the same as that of summer typhoons, the number of autumn typhoons landing in my country is significantly less than that of summer typhoons.

according to the statistics of the central meteorological observatory, from the annual average data from 1991 to 2020, the average number of typhoons generated in september is 5.03, and the average number of typhoons making landfall is 1.7. this year's no. 11 typhoon "makar" was generated on september 1, becoming the first "autumn typhoon" this year. the central meteorological observatory predicts that 1-2 typhoons will be generated in the northwest pacific in the next 10 days.

what are the characteristics of autumn typhoons?