DCMIP2016: the tropical cyclone test case

Willson, Justin L.; Reed, Kevin A.; Jablonowski, Christiane; Kent, James; Lauritzen, Peter H.; Nair, Ramachandran; Taylor, Mark A.; Ullrich, Paul A.; Zarzycki, Colin M.; Hall, David M.; Dazlich, Don; Heikes, Ross; Konor, Celal; Randall, David; Dubos, Thomas; Meurdesoif, Yann; Chen, Xi; Harris, Lucas; Kühnlein, Christian; Lee, Vivian; Qaddouri, Abdessamad; Girard, Claude; Giorgetta, Marco; Reinert, Daniel; Miura, Hiroaki; Ohno, Tomoki; Yoshida, Ryuji

doi:10.5194/gmd-17-2493-2024

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DCMIP2016: the tropical cyclone test case

2024
By Willson, Justin L. ; Reed, Kevin A. ; Jablonowski, Christiane ; ...
Source: Geoscientific Model Development, 17(7), 2493-2507

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Journal Title:

Geoscientific Model Development
Personal Author:

Willson, Justin L. ; Reed, Kevin A. ; Jablonowski, Christiane ; Kent, James ; Lauritzen, Peter H. ; ... More +

Willson, Justin L. ; Reed, Kevin A. ; Jablonowski, Christiane ; Kent, James ; Lauritzen, Peter H. ; Nair, Ramachandran ; Taylor, Mark A. ; Ullrich, Paul A. ; Zarzycki, Colin M. ; Hall, David M. ; Dazlich, Don ; Heikes, Ross ; Konor, Celal ; Randall, David ; Dubos, Thomas ; Meurdesoif, Yann ; Chen, Xi ; Harris, Lucas ; Kühnlein, Christian ; Lee, Vivian ; Qaddouri, Abdessamad ; Girard, Claude ; Giorgetta, Marco ; Reinert, Daniel ; Miura, Hiroaki ; Ohno, Tomoki ; Yoshida, Ryuji Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory)

OAR (Oceanic and Atmospheric Research) ; GFDL (Geophysical Fluid Dynamics Laboratory) Less -
Description:

This paper describes and analyzes the Reed–Jablonowski (RJ) tropical cyclone (TC) test case used in the 2016 Dynamical Core Model Intercomparison Project (DCMIP2016). This intermediate-complexity test case analyzes the evolution of a weak vortex into a TC in an idealized tropical environment. Reference solutions from nine general circulation models (GCMs) with identical simplified physics parameterization packages that participated in DCMIP2016 are analyzed in this study at 50 km horizontal grid spacing, with five of these models also providing solutions at 25 km grid spacing. Evolution of minimum surface pressure (MSP) and maximum 1 km azimuthally averaged wind speed (MWS), the wind–pressure relationship, radial profiles of wind speed and surface pressure, and wind composites are presented for all participating GCMs at both horizontal grid spacings. While all TCs undergo a similar evolution process, some reach significantly higher intensities than others, ultimately impacting their horizontal and vertical structures. TCs simulated at 25 km grid spacings retain these differences but reach higher intensities and are more compact than their 50 km counterparts. These results indicate that dynamical core choice is an essential factor in GCM development, and future work should be conducted to explore how specific differences within the dynamical core affect TC behavior in GCMs.
Source:

Geoscientific Model Development, 17(7), 2493-2507
DOI:

https://doi.org/10.5194/gmd-17-2493-2024
ISSN:

1991-9603
Format:

pdf
Publisher:

Copernicus GmbH
Document Type:

Journal Article
Funding:

Grant no. NA12OAR4320071
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
Compliance:

Library
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urn:sha-512:0709d6d5d9f5093173984bf5d0cc265e9729931119e13bab68c68f5686c98cc388a7949e5c60e94aa7618a47f458b23aabb1c77be7a475645a02734e9adeca63
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https://repository.library.noaa.gov/view/noaa/67675/noaa_67675_DS1.pdf
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DCMIP2016: the tropical cyclone test case

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