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On the epochal variation of intensity of tropical cyclones in the Arabian Sea

Rajeevan, M and Srinivasan, J and Kumar, Niranjan K and Gnanaseelan, C and Ali, MM (2013) On the epochal variation of intensity of tropical cyclones in the Arabian Sea. In: ATMOSPHERIC SCIENCE LETTERS, 14 (4). pp. 249-255.

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Official URL: http://dx.doi.org/10.1002/asl2.447


During recent years, an increase in the intensity of pre-monsoon tropical cyclones (TCs) is observed over the Arabian Sea. This study suggests that this increase is due to epochal variability in the intensity of TCs and is associated with epochal variability in the storm-ambient vertical wind shear and tropical cyclone heat potential (TCHP). There is a significant increase (0.53kJcm(-2)year(-1)) of TCHP during recent years. The warmer upper ocean helps TCs to sustain or increase their intensity by an uninterrupted supply of sensible and latent heat fluxes from the ocean surface to the atmosphere.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to WILEY-BLACKWELL, USA.
Keywords: tropical cyclones;wind shear;ocean heat content;aerosol;global warming
Department/Centre: Division of Mechanical Sciences > Divecha Centre for Climate Change
Date Deposited: 26 Nov 2013 15:18
Last Modified: 20 Feb 2019 05:58
URI: http://eprints.iisc.ac.in/id/eprint/47791

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