On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification
The authors show that the feedback between surface wind and surface enthalpy flux is an important influence on tropical cyclone evolution, even though, as with at least some classical instability mechanisms, such a feedback is not strictly necessary. When the wind speed is artificially capped in ide...
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American Meteorological Society
2017
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Online Access: | http://hdl.handle.net/1721.1/108285 https://orcid.org/0000-0002-2066-2082 |
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author | Emanuel, Kerry Andrew Zhang, Fuqing Zhang |
author2 | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences |
author_facet | Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences Emanuel, Kerry Andrew Zhang, Fuqing Zhang |
author_sort | Emanuel, Kerry Andrew |
collection | MIT |
description | The authors show that the feedback between surface wind and surface enthalpy flux is an important influence on tropical cyclone evolution, even though, as with at least some classical instability mechanisms, such a feedback is not strictly necessary. When the wind speed is artificially capped in idealized numerical experiments, storm development is slowed and storms achieve a smaller final intensity. When it is capped in simulations of an actual storm (Hurricane Edouard of 2014), the quality of the simulations is strongly compromised; for example, little development occurs when the wind speed is capped at 5 m s{superscript −1], in contrast to the category-3 hurricane shown by observations and produced by the control experiment. |
first_indexed | 2024-09-23T10:03:12Z |
format | Article |
id | mit-1721.1/108285 |
institution | Massachusetts Institute of Technology |
language | en_US |
last_indexed | 2024-09-23T10:03:12Z |
publishDate | 2017 |
publisher | American Meteorological Society |
record_format | dspace |
spelling | mit-1721.1/1082852022-09-26T15:25:33Z On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification Emanuel, Kerry Andrew Zhang, Fuqing Zhang Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences Emanuel, Kerry Andrew Zhang, Fuqing Zhang The authors show that the feedback between surface wind and surface enthalpy flux is an important influence on tropical cyclone evolution, even though, as with at least some classical instability mechanisms, such a feedback is not strictly necessary. When the wind speed is artificially capped in idealized numerical experiments, storm development is slowed and storms achieve a smaller final intensity. When it is capped in simulations of an actual storm (Hurricane Edouard of 2014), the quality of the simulations is strongly compromised; for example, little development occurs when the wind speed is capped at 5 m s{superscript −1], in contrast to the category-3 hurricane shown by observations and produced by the control experiment. National Science Foundation (U.S.) (Grant AGS 1305798) United States. Office of Naval Research (Grant N000140910526) United States. Office of Naval Research (Grant N000141410062) Massachusetts Institute of Technology (Houghton Lecturer Fund) 2017-04-20T14:51:43Z 2017-04-20T14:51:43Z 2016-04 2016-02 Article http://purl.org/eprint/type/JournalArticle 0022-4928 1520-0469 http://hdl.handle.net/1721.1/108285 Zhang, Fuqing, and Kerry Emanuel. “On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification.” Journal of the Atmospheric Sciences 73.5 (2016): 2011–2019. © 2017 American Meteorological Society https://orcid.org/0000-0002-2066-2082 en_US http://dx.doi.org/10.1175/jas-d-16-0011.1 Journal of the Atmospheric Sciences Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Meteorological Society American Meteorological Society |
spellingShingle | Emanuel, Kerry Andrew Zhang, Fuqing Zhang On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification |
title | On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification |
title_full | On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification |
title_fullStr | On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification |
title_full_unstemmed | On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification |
title_short | On the Role of Surface Fluxes and WISHE in Tropical Cyclone Intensification |
title_sort | on the role of surface fluxes and wishe in tropical cyclone intensification |
url | http://hdl.handle.net/1721.1/108285 https://orcid.org/0000-0002-2066-2082 |
work_keys_str_mv | AT emanuelkerryandrew ontheroleofsurfacefluxesandwisheintropicalcycloneintensification AT zhangfuqingzhang ontheroleofsurfacefluxesandwisheintropicalcycloneintensification |