Periodicities in the frequency of Indian monsoonal cyclonic disturbances and storms

Authors

  • R. P. KANE

DOI:

https://doi.org/10.54302/mausam.v54i2.1529

Keywords:

Monsoon depressions, Cyclonic storm, North Indian Ocean, Spectral analysis, Periodicities

Abstract

When subjected to a spectral analysis, the series of the frequency of monsoon depressions and storms formed over the north Indian Ocean area (5° N - 35° N, 50° E - 100° E, Bay of Bengal and the Arabian Sea taken together) for 1890-1999 indicated (a) a highly significant periodicity at T = ~40 years, and barely significant periodicities at T = 2-3 (QBO), 3.7, 4.6, 8.8, and 21.8 years for cyclonic disturbances, and (b) a highly significant periodicity at           T = ~37 years, and significant periodicities at T = 2-3 (QBO), 11.4, and 15.4 years for cyclonic storms.

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Published

01-04-2003

How to Cite

[1]
R. P. KANE, “Periodicities in the frequency of Indian monsoonal cyclonic disturbances and storms”, MAUSAM, vol. 54, no. 2, pp. 443–446, Apr. 2003.

Issue

Vol. 54 No. 2 (2003): MAUSAM

Section

Research Papers

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