Improved Simulation of Tropical Cyclone Responses to ENSO in the Western North Pacific in the High-Resolution GFDL HiFLOR Coupled Climate Model* | Zendy

Wei Zhang | Zendy; Gabriel A. Vecchi | Zendy; Hiroyuki Murakami | Zendy; Thomas L. Delworth | Zendy; Andrew T. Wittenberg | Zendy; Anthony Rosati | Zendy; Seth Underwood | Zendy; W. Anderson | Zendy; Lucas Harris | Zendy; R. Gudgel | Zendy; ShianJiann Lin | Zendy; Gabriele Villarini | Zendy; Jan–Huey Chen | Zendy

Open Access

Improved Simulation of Tropical Cyclone Responses to ENSO in the Western North Pacific in the High-Resolution GFDL HiFLOR Coupled Climate Model*

Author(s) -

Wei Zhang,

Gabriel A. Vecchi,

Hiroyuki Murakami,

Thomas L. Delworth,

Andrew T. Wittenberg,

Anthony Rosati,

Seth Underwood,

W. Anderson,

Lucas Harris,

R. Gudgel,

ShianJiann Lin,

Gabriele Villarini,

Jan–Huey Chen

Publication year - 2015

Publication title -

journal of climate

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.315

H-Index - 287

eISSN - 1520-0442

pISSN - 0894-8755

DOI - 10.1175/jcli-d-15-0475.1

Subject(s) - climatology , sea surface temperature , tropical cyclone , environmental science , la niña , geophysical fluid dynamics , precipitation , forcing (mathematics) , climate model , el niño southern oscillation , atmospheric sciences , geology , meteorology , climate change , oceanography , geography

This study aims to assess whether, and the extent to which, an increase in atmospheric resolution of the Geophysical Fluid Dynamics Laboratory (GFDL) Forecast-Oriented Low Ocean Resolution version of CM2.5 (FLOR) with 50-km resolution and the High-Resolution FLOR (HiFLOR) with 25-km resolution improves the simulation of the El Nino–Southern Oscillation (ENSO)–tropical cyclone (TC) connections in the western North Pacific (WNP). HiFLOR simulates better ENSO–TC connections in the WNP including TC track density, genesis, and landfall than FLOR in both long-term control experiments and sea surface temperature (SST)- and sea surface salinity (SSS)-restoring historical runs (1971–2012). Restoring experiments are performed with SSS and SST restored to observational estimates of climatological SSS and interannually varying monthly SST. In the control experiments of HiFLOR, an improved simulation of the Walker circulation arising from more realistic SST and precipitation is largely responsible for its bett...

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