Journal
ATMOSPHERIC SCIENCE LETTERS
Volume 14, Issue 4, Pages 249-255Publisher
WILEY
DOI: 10.1002/asl2.447
Keywords
tropical cyclones; wind shear; ocean heat content; aerosol; global warming
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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.
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