Modulation of Cyclonic Disturbance by Natural Climate Variability over the North Indian Ocean

Modulation of Cyclonic Disturbance by Natural Climate Variability over the North Indian Ocean

Journal

Subject and more

  • LCC Subject Category: Environmental Sciences
  • Publisher's keywords: correlation coefficient, cyclonic disturbance, quasi- biennial oscillation
  • Language of fulltext: english
  • Full-text formats available: PDF

AUTHORS

    R. Samuel Selvaraj and R. Uma

EDITORIAL INFORMATION

FULL TEXT

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ABSTRACT

Tropical cyclones are one of the nature’s most violent manifestations and potentially the deadliest of all meteorological phenomena. In this paper, an attempt is being made to study the Tropical Cyclonic disturbance over the North Indian Ocean (comprising Bay of Bengal and Arabian Sea) by natural climate variability. In order to understand how the tropical cyclones will cause change in future climate, we need first to understand their respond to natural climate variability. The predictor chosen is the intraseasonal - interannual time scale namely Quasi – Biennial Oscillation (QBO). Correlation coefficients are found for westerly and easterly phase of the QBO. The correlated values are least negative. The correlation is less significant for the Tropical Cyclone and QBO data.

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