Tropical cyclone frequencies inferred from Gray's yearly genesis parameter: Validation of GCM tropical climates

Brian F. Ryan, Ian G. Watterson, Jenni Evans

Research output: Contribution to journalArticle

80 Scopus citations

Abstract

The Gray Yearly Genesis Parameter (YGP) is an empirical diagnostic tool used to infer regions in which necessary (but not sufficient) conditions exist for tropical cyclone development. This parameter is used here as a measure of the implied tropical cyclone frequency and area of occurrence in climate simulations generated by a General Circulation Model (GCM). In a simulation of the current climate, the CSIRO9 GCM shows reasonable agreement with the original Gray climatology. The YGP for a doubled CO2 simulation is presented.

Original languageEnglish (US)
Pages (from-to)1831-1834
Number of pages4
JournalGeophysical Research Letters
Volume19
Issue number18
DOIs
StatePublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

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