Abstract
In this study, Joint Typhoon Warning Centre (JTWC) best-track data has been used to examine the trends in frequency and intensity of tropical cyclones (TCs) in the Bay of Bengal (BoB) during 1972–2015. The analysis exhibits that a total of 144 TCs have formed during 44-years period in the BoB. Large annual fluctuations have been noticed in the number of TCs and their intensity, accumulated cyclone energy and power dissipation index. However, increasing or decreasing trends of these parameters are statistically non-significant. Majority of TCs (approximately 64%) have formed during post-monsoon (October–December) season. The cyclonic (34–47kt) and intense cyclonic storms (>48kt) have shown a non-significant rising and falling trend in the BoB, respectively. Approximately 38 and 12% TCs have intensified and rapidly intensified. Finally, it is believed that the obtained results will be useful for academicians, scientific community, disaster managers and policy makers.
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