A Statistical Perspective on Wind Profiles and Vertical Wind Shear in Tropical Cyclone Environments of the Northern Hemisphere
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DOI: 10.1175/mwr-d-16-0221.1
Abstract: AbstractA statistical analysis of tropical cyclone (TC) environmental wind profiles is conducted in order to better understand how vertical wind shear influences TC intensity change. The wind profiles are computed from global atmospheric reanalyses around… read more here.
Keywords: wind; wind shear; vertical wind; wind profiles ... See more keywords
The Unexpected Rapid Intensification of Tropical Cyclones in Moderate Vertical Wind Shear. Part I: Overview and Observations
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DOI: 10.1175/mwr-d-18-0020.1
Abstract: A satellite-based investigation is performed of a class of tropical cyclones (TCs) that unexpectedly undergo rapid intensification (RI) in moderate vertical wind shear between 5 and 10 m s−1 calculated as 200–850-hPa shear. This study… read more here.
Keywords: tropical cyclones; moderate vertical; wind shear; vertical wind ... See more keywords
The Unexpected Rapid Intensification of Tropical Cyclones in Moderate Vertical Wind Shear. Part III: Outflow–Environment Interaction
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DOI: 10.1175/mwr-d-18-0370.1
Abstract: Interactions between the upper-level outflow of a sheared, rapidly intensifying tropical cyclone (TC) and the background environmental flow in an idealized model are presented. The most important finding is that the divergent outflow from convection… read more here.
Keywords: part; wind shear; outflow environment; rapid intensification ... See more keywords
Observations of Near-Surface Vertical Wind Profiles and Vertical Momentum Fluxes from VORTEX-SE 2017: Comparisons to Monin–Obukhov Similarity Theory
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DOI: 10.1175/mwr-d-19-0091.1
Abstract: Observations of near-surface vertical wind profiles and vertical momentum fluxes obtained from a Doppler lidar and instrumented towers deployed during VORTEX-SE in the spring of 2017 are analyzed. In particular, departures from the predictions of… read more here.
Keywords: surface vertical; surface; vertical wind; observations near ... See more keywords
On the role of aerosols, humidity, and vertical wind shear in the transition of shallow-to-deep convection at the Green Ocean Amazon 2014/5 site
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DOI: 10.5194/acp-18-11135-2018
Abstract: Abstract. The preconditioning of the atmosphere for a shallow-to-deep convective transition during the dry-to-wet season transition period (August–November) is investigated using Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) GoAmazon2014/5 campaign data from March 2014… read more here.
Keywords: deep convection; wind shear; transition; vertical wind ... See more keywords