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Simulation and Prediction of Category 4 and 5 Hurricanes in the High-Resolution GFDL HiFLOR Coupled Climate Model

Author(s): Murakami, Hiroyuki; Vecchi, Gabriel A; Underwood, Seth; Delworth, Thomas L; Wittenberg, Andrew T; et al

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Abstract: A new high-resolution Geophysical Fluid Dynamics Laboratory (GFDL) coupled model [the High-Resolution Forecast-Oriented Low Ocean Resolution (FLOR) model (HiFLOR)] has been developed and used to investigate potential skill in simulation and prediction of tropical cyclone (TC) activity. HiFLOR comprises high-resolution (~25-km mesh) atmosphere and land components and a more moderate-resolution (~100-km mesh) sea ice and ocean component. HiFLOR was developed from FLOR by decreasing the horizontal grid spacing of the atmospheric component from 50 to 25 km, while leaving most of the subgrid-scale physical parameterizations unchanged. Compared with FLOR, HiFLOR yields a more realistic simulation of the structure, global distribution, and seasonal and interannual variations of TCs, as well as a comparable simulation of storm-induced cold wakes and TC-genesis modulation induced by the Madden–Julian oscillation (MJO). Moreover, HiFLOR is able to simulate and predict extremely intense TCs (Saffir–Simpson hurricane categories 4 and 5) and their interannual variations, which represents the first time a global coupled model has been able to simulate such extremely intense TCs in a multicentury simulation, sea surface temperature restoring simulations, and retrospective seasonal predictions.
Publication Date: 1-Dec-2015
Citation: Murakami, Hiroyuki, Gabriel A. Vecchi, Seth Underwood, Thomas L. Delworth, Andrew T. Wittenberg, Whit G. Anderson, Jan-Huey Chen et al. "Simulation and prediction of category 4 and 5 hurricanes in the high-resolution GFDL HiFLOR coupled climate model." Journal of Climate 28, no. 23 (2015): 9058-9079. doi:10.1175/JCLI-D-15-0216.1.
DOI: doi:10.1175/JCLI-D-15-0216.1
ISSN: 0894-8755
EISSN: 1520-0442
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Pages: 9058 - 9079
Type of Material: Journal Article
Journal/Proceeding Title: Journal of Climate
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.
Notes: Related Item links to available supplementary materials.

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