Influence of Mean Flow on the ENSO–Vertical Wind Shear Relationship over the Northern Tropical Atlantic

作者: Xiaojie Zhu , R. Saravanan , Ping Chang

DOI: 10.1175/JCLI-D-11-00213.1

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摘要: AbstractVertical wind shear over the tropical Atlantic Ocean plays an important role in mediating hurricane activity. The vertical variability main development region for hurricanes is affected by local factors as well remote influence of El Nino–Southern Oscillation (ENSO) phenomenon, indicated observational and climate modeling analyses. Climate model simulations ENSO–shear relationship are compared with observations. It shown that there a strong background mean flow on relationship, because inherently nonlinear nature shear. In particular, simulation zonal to play critical how ENSO modulates Even realistic ENSO-induced westerly anomaly upper troposphere, overestimated easterly can alter between wind...

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