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

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

doi:10.1029/92GL02149

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

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

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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 language	English (US)
Pages (from-to)	1831-1834
Number of pages	4
Journal	Geophysical Research Letters
Volume	19
Issue number	18
DOIs	https://doi.org/10.1029/92GL02149
State	Published - Sep 23 1992

All Science Journal Classification (ASJC) codes

Geophysics
Earth and Planetary Sciences(all)

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10.1029/92GL02149

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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.",

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T1 - Tropical cyclone frequencies inferred from Gray's yearly genesis parameter

T2 - Validation of GCM tropical climates

AU - Ryan, Brian F.

AU - Watterson, Ian G.

AU - Evans, Jenni

PY - 1992/9/23

Y1 - 1992/9/23

N2 - 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.

AB - 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.

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JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 18

ER -

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

Abstract

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