A numerical modelling investigation of the role of diabatic heating and cooling in the development of a mid-level vortex prior to tropical cyclogenesis – Part 1: The response to stratiform components of diabatic forcing
Melville E. Nicholls,Roger A. Pielke Sr.,Donavan Wheeler,Gustavo Carrio,and Warren P. Smith
Cooperative Institute for Research in Environmental Sciences,
Department of Atmospheric and Oceanic Sciences, University of Colorado,
Boulder, CO 80309, USA
Roger A. Pielke Sr.
Cooperative Institute for Research in Environmental Sciences,
Department of Atmospheric and Oceanic Sciences, University of Colorado,
Boulder, CO 80309, USA
Donavan Wheeler
Department of Atmospheric and Oceanic Sciences, University of
Colorado, Boulder, CO 80309, USA
Gustavo Carrio
Spire Global, Inc, Boulder, CO, USA
Warren P. Smith
Cooperative Institute for Research in Environmental Sciences,
Department of Atmospheric and Oceanic Sciences, University of Colorado,
Boulder, CO 80309, USA
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Mid-level vortices are often observed to develop prior to the formation of a tropical cyclone. A numerical modelling simulation of tropical cyclogenesis is carried out which shows the development of a mid-level vortex, and an analysis indicates that sublimation at the base of the stratiform ice layer plays a major role in its formation. Understanding how mid-level vortices form and their role in tropical cyclogenesis may eventually lead to improved forecasts of these major weather events.
Mid-level vortices are often observed to develop prior to the formation of a tropical cyclone. A...
