An overview of the extratropical storm tracks in CMIP6 historical simulations
The representation of the winter and summer extratropical storm tracks in both hemispheres is evaluated in detail for the available models in the 6th phase of the Coupled Model Intercomparison Project (CMIP6). The state of the storm tracks from 1979-2014 is compared to that in ERA5 using a Lagrangia...
Published in: | Journal of Climate |
---|---|
Main Authors: | , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
American Meteorological Society
2020
|
Subjects: | |
Online Access: | https://centaur.reading.ac.uk/89951/ https://centaur.reading.ac.uk/89951/25/jclid190928.pdf https://centaur.reading.ac.uk/89951/1/priestley_etal_2019_storm_track_cmip6_JCLI_REVISION.pdf https://centaur.reading.ac.uk/89951/2/supplement_revision.pdf |
id |
ftunivreading:oai:centaur.reading.ac.uk:89951 |
---|---|
record_format |
openpolar |
spelling |
ftunivreading:oai:centaur.reading.ac.uk:89951 2024-06-23T07:55:11+00:00 An overview of the extratropical storm tracks in CMIP6 historical simulations Priestley, Matthew D. K. Ackerley, Duncan Catto, Jennifer L. Hodges, Kevin I. McDonald, Ruth E. Lee, Robert W. 2020-08-01 text https://centaur.reading.ac.uk/89951/ https://centaur.reading.ac.uk/89951/25/jclid190928.pdf https://centaur.reading.ac.uk/89951/1/priestley_etal_2019_storm_track_cmip6_JCLI_REVISION.pdf https://centaur.reading.ac.uk/89951/2/supplement_revision.pdf en eng American Meteorological Society https://centaur.reading.ac.uk/89951/25/jclid190928.pdf https://centaur.reading.ac.uk/89951/1/priestley_etal_2019_storm_track_cmip6_JCLI_REVISION.pdf https://centaur.reading.ac.uk/89951/2/supplement_revision.pdf Priestley, M. D. K., Ackerley, D., Catto, J. L., Hodges, K. I. <https://centaur.reading.ac.uk/view/creators/90000463.html>, McDonald, R. E. and Lee, R. W. <https://centaur.reading.ac.uk/view/creators/90006789.html> orcid:0000-0002-1946-5559 (2020) An overview of the extratropical storm tracks in CMIP6 historical simulations. Journal of Climate, 33 (15). pp. 6315-6343. ISSN 1520-0442 doi: https://doi.org/10.1175/JCLI-D-19-0928.1 <https://doi.org/10.1175/JCLI-D-19-0928.1> cc_by_4 Article PeerReviewed 2020 ftunivreading https://doi.org/10.1175/JCLI-D-19-0928.1 2024-06-11T15:10:14Z The representation of the winter and summer extratropical storm tracks in both hemispheres is evaluated in detail for the available models in the 6th phase of the Coupled Model Intercomparison Project (CMIP6). The state of the storm tracks from 1979-2014 is compared to that in ERA5 using a Lagrangian objective cyclone tracking algorithm. It is found that the main biases present in the previous generation of models (CMIP5) still persist, albeit to a lesser extent. The equatorward bias around the SH is much reduced and there appears to be some improvement in mean biases with the higher resolution models, such as the zonal tilt of the North Atlantic storm track. Low resolution models have a tendency to under-estimate the frequency of high intensity cyclones with all models simulating a peak intensity that is too low for cyclones in the SH. Explosively developing cyclones are under-estimated across all ocean basins and in both hemispheres. In particular the models struggle to capture the rapid deepening required for these cyclones. For all measures, the CMIP6 models exhibit an overall improvement compared to the previous generation of CMIP5 models. In the NH most improvements can be attributed to increased horizontal resolution, whereas in the SH the impact of resolution is less apparent and any improvements are likely a result of improved model physics. Article in Journal/Newspaper North Atlantic CentAUR: Central Archive at the University of Reading Journal of Climate 33 15 6315 6343 |
institution |
Open Polar |
collection |
CentAUR: Central Archive at the University of Reading |
op_collection_id |
ftunivreading |
language |
English |
description |
The representation of the winter and summer extratropical storm tracks in both hemispheres is evaluated in detail for the available models in the 6th phase of the Coupled Model Intercomparison Project (CMIP6). The state of the storm tracks from 1979-2014 is compared to that in ERA5 using a Lagrangian objective cyclone tracking algorithm. It is found that the main biases present in the previous generation of models (CMIP5) still persist, albeit to a lesser extent. The equatorward bias around the SH is much reduced and there appears to be some improvement in mean biases with the higher resolution models, such as the zonal tilt of the North Atlantic storm track. Low resolution models have a tendency to under-estimate the frequency of high intensity cyclones with all models simulating a peak intensity that is too low for cyclones in the SH. Explosively developing cyclones are under-estimated across all ocean basins and in both hemispheres. In particular the models struggle to capture the rapid deepening required for these cyclones. For all measures, the CMIP6 models exhibit an overall improvement compared to the previous generation of CMIP5 models. In the NH most improvements can be attributed to increased horizontal resolution, whereas in the SH the impact of resolution is less apparent and any improvements are likely a result of improved model physics. |
format |
Article in Journal/Newspaper |
author |
Priestley, Matthew D. K. Ackerley, Duncan Catto, Jennifer L. Hodges, Kevin I. McDonald, Ruth E. Lee, Robert W. |
spellingShingle |
Priestley, Matthew D. K. Ackerley, Duncan Catto, Jennifer L. Hodges, Kevin I. McDonald, Ruth E. Lee, Robert W. An overview of the extratropical storm tracks in CMIP6 historical simulations |
author_facet |
Priestley, Matthew D. K. Ackerley, Duncan Catto, Jennifer L. Hodges, Kevin I. McDonald, Ruth E. Lee, Robert W. |
author_sort |
Priestley, Matthew D. K. |
title |
An overview of the extratropical storm tracks in CMIP6 historical simulations |
title_short |
An overview of the extratropical storm tracks in CMIP6 historical simulations |
title_full |
An overview of the extratropical storm tracks in CMIP6 historical simulations |
title_fullStr |
An overview of the extratropical storm tracks in CMIP6 historical simulations |
title_full_unstemmed |
An overview of the extratropical storm tracks in CMIP6 historical simulations |
title_sort |
overview of the extratropical storm tracks in cmip6 historical simulations |
publisher |
American Meteorological Society |
publishDate |
2020 |
url |
https://centaur.reading.ac.uk/89951/ https://centaur.reading.ac.uk/89951/25/jclid190928.pdf https://centaur.reading.ac.uk/89951/1/priestley_etal_2019_storm_track_cmip6_JCLI_REVISION.pdf https://centaur.reading.ac.uk/89951/2/supplement_revision.pdf |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
https://centaur.reading.ac.uk/89951/25/jclid190928.pdf https://centaur.reading.ac.uk/89951/1/priestley_etal_2019_storm_track_cmip6_JCLI_REVISION.pdf https://centaur.reading.ac.uk/89951/2/supplement_revision.pdf Priestley, M. D. K., Ackerley, D., Catto, J. L., Hodges, K. I. <https://centaur.reading.ac.uk/view/creators/90000463.html>, McDonald, R. E. and Lee, R. W. <https://centaur.reading.ac.uk/view/creators/90006789.html> orcid:0000-0002-1946-5559 (2020) An overview of the extratropical storm tracks in CMIP6 historical simulations. Journal of Climate, 33 (15). pp. 6315-6343. ISSN 1520-0442 doi: https://doi.org/10.1175/JCLI-D-19-0928.1 <https://doi.org/10.1175/JCLI-D-19-0928.1> |
op_rights |
cc_by_4 |
op_doi |
https://doi.org/10.1175/JCLI-D-19-0928.1 |
container_title |
Journal of Climate |
container_volume |
33 |
container_issue |
15 |
container_start_page |
6315 |
op_container_end_page |
6343 |
_version_ |
1802647657061023744 |