The frequency of cyclones (TC) during the post-monsoon season (Oct-Dec) in the Arabian Sea is increasing at the rate of 0.2/decade.
During the period 1982-2001: 1 cyclone use to form in 2 year.
Whereas, during the period 2002-2022: 1 cyclone form every year. Data: JTWC
The attached graph shows a rapid rising trend in the frequency of cyclones in this basin during the post-monsoon season for the period 1982-2022.