Characteristics of model tropical cyclone climatology and the large-scale environment

Camargo, Suzana J.; Giulivi, Claudia F.; Sobel, Adam H.; Wing, Allison A.; Kim, Daehyun; Moon, Yumin; Strong, Jeffrey D. O.; Del Genio, Anthony D.; Kelley, Maxwell; Murakami, Hiroyuki; Reed, Kevin A.; Scoccimarro, Enrico; Vecchi, Gabriel A.; Wehner, Michael F.; Zarzycki, Colin; Zhao, Ming

doi:10.1175/JCLI-D-19-0500.1

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Characteristics of model tropical cyclone climatology and the large-scale environment

2020
By Camargo, Suzana J. ; Giulivi, Claudia F. ; Sobel, Adam H. ; ...
Source: Journal of Climate, 33(11), 4463-4487. https://journals.ametsoc.org/view/journals/clim/33/11/jcli-d-19-0500.1.xml

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Journal Title:

Journal of Climate
Personal Author:

Camargo, Suzana J. ; Giulivi, Claudia F. ; Sobel, Adam H. ; Wing, Allison A. ; Kim, Daehyun ; ... More +

Camargo, Suzana J. ; Giulivi, Claudia F. ; Sobel, Adam H. ; Wing, Allison A. ; Kim, Daehyun ; Moon, Yumin ; Strong, Jeffrey D. O. ; Del Genio, Anthony D. ; Kelley, Maxwell ; Murakami, Hiroyuki ; Reed, Kevin A. ; Scoccimarro, Enrico ; Vecchi, Gabriel A. ; Wehner, Michael F. ; Zarzycki, Colin ; Zhao, Ming Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; CPO (Climate Program Office) ; GFDL (Geophysical Fluid Dynamics Laboratory)

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

Here we explore the relationship between the global climatological characteristics of tropical cyclones (TCs) in climate models and the modeled large-scale environment across a large number of models. We consider the climatology of TCs in 30 climate models with a wide range of horizontal resolutions. We examine if there is a systematic relationship between the climatological diagnostics for the TC activity [number of tropical cyclones (NTC) and accumulated cyclone energy (ACE)] by hemisphere in the models and the environmental fields usually associated with TC activity, when examined across a large number of models. For low-resolution models, there is no association between a conducive environment and TC activity, when integrated over space (tropical hemisphere) and time (all years of the simulation). As the model resolution increases, for a couple of variables, in particular vertical wind shear, there is a statistically significant relationship in between the models’ TC characteristics and the environmental characteristics, but in most cases the relationship is either nonexistent or the opposite of what is expected based on observations. It is important to stress that these results do not imply that there is no relationship between individual models’ environmental fields and their TC activity by basin with respect to intraseasonal or interannual variability or due to climate change. However, it is clear that when examined across many models, the models’ mean state does not have a consistent relationship with the models’ mean TC activity. Therefore, other processes associated with the model physics, dynamical core, and resolution determine the climatological TC activity in climate models.
Keywords:

[+]

Atmosphere Climate Models Hurricanes Tropics
Source:

Journal of Climate, 33(11), 4463-4487. https://journals.ametsoc.org/view/journals/clim/33/11/jcli-d-19-0500.1.xml
DOI:

https://doi.org/10.1175/JCLI-D-19-0500.1
Document Type:

Journal Article
Funding:

Grant no. NA15OAR4310087 ; Grant no. NAOAR4320123

Grant no. NA15OAR4310087 ; Grant no. NAOAR4320123 Less -
Rights Information:

Other
Compliance:

Submitted
Main Document Checksum:

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urn:sha256:21e66dbd57cdc125c8dce1e1db67cfdae1bf878be31ea316fcd7867ae9632e99
Download URL:

https://repository.library.noaa.gov/view/noaa/28713/noaa_28713_DS1.pdf
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	Available dataset	htm
	Available dataset	htm
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	Supplemental media	pdf
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