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The Tropical Warm Pool International Cloud Experiment

Peter T. May
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James H. Mather
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Geraint Vaughan
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Christian Jakob
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Greg M. McFarquhar
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Keith N. Bower
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Gerald G. Mace
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A comprehensive dataset describing tropical cloud systems and their environmental setting and impacts has been collected during the Tropical Warm Pool International Cloud Experiment (TWPICE) and Aerosol and Chemical Transport in Tropical Convection (ACTIVE) campaign in the area around Darwin, Northern Australia, in January and February 2006. The aim of the experiment was to observe the evolution of tropical cloud systems and their interaction with the environment within an observational framework optimized for a range of modeling activities with the goal of improving the representation of cloud and aerosol process in a range of models. The experiment design utilized permanent observational facilities in Darwin, including a polarimetric weather radar and a suite of cloud remote-sensing instruments. This was augmented by a dense network of soundings, together with radiation, flux, lightning, and remote-sensing measurements, as well as oceanographic observations. A fleet of five research aircraft, including two high-altitude aircraft, were taking measurements of fluxes, cloud microphysics, and chemistry; cloud radar and lidar were carried on a third aircraft. Highlights of the experiment include an intense mesoscale convective system (MCS) developed within the network, observations used to analyze the impacts of aerosol on convective systems, and observations used to relate cirrus properties to the parent storm properties.

Centre for Australian Weather and Climate Research, Australian Bureau of Meteorology and CSIRO, Melbourne, Australia

School of Mathematical Sciences, Monash University, Clayton, Australia

Pacific Northwest National Laboratory, Richland, Washington

School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, United Kingdom

Department of Atmospheric Sciences, University of Illinois at Urbana-Champaign Urbana, Illinois

Meteorology Department, University of Utah, Salt Lake City, Utah

A supplement to this article is available online (DOI: 10.1175/BAMS-89-5-May)

CORRESPONDING AUTHOR: Peter T. May, Centre for Australian Weather and Climate Research, Australian Bureau of Meteorology and CSIRO, G P O Box 1289, Melbourne 3001, Australia, E-mail: p.may@bom.gov.au

A comprehensive dataset describing tropical cloud systems and their environmental setting and impacts has been collected during the Tropical Warm Pool International Cloud Experiment (TWPICE) and Aerosol and Chemical Transport in Tropical Convection (ACTIVE) campaign in the area around Darwin, Northern Australia, in January and February 2006. The aim of the experiment was to observe the evolution of tropical cloud systems and their interaction with the environment within an observational framework optimized for a range of modeling activities with the goal of improving the representation of cloud and aerosol process in a range of models. The experiment design utilized permanent observational facilities in Darwin, including a polarimetric weather radar and a suite of cloud remote-sensing instruments. This was augmented by a dense network of soundings, together with radiation, flux, lightning, and remote-sensing measurements, as well as oceanographic observations. A fleet of five research aircraft, including two high-altitude aircraft, were taking measurements of fluxes, cloud microphysics, and chemistry; cloud radar and lidar were carried on a third aircraft. Highlights of the experiment include an intense mesoscale convective system (MCS) developed within the network, observations used to analyze the impacts of aerosol on convective systems, and observations used to relate cirrus properties to the parent storm properties.

Centre for Australian Weather and Climate Research, Australian Bureau of Meteorology and CSIRO, Melbourne, Australia

School of Mathematical Sciences, Monash University, Clayton, Australia

Pacific Northwest National Laboratory, Richland, Washington

School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, United Kingdom

Department of Atmospheric Sciences, University of Illinois at Urbana-Champaign Urbana, Illinois

Meteorology Department, University of Utah, Salt Lake City, Utah

A supplement to this article is available online (DOI: 10.1175/BAMS-89-5-May)

CORRESPONDING AUTHOR: Peter T. May, Centre for Australian Weather and Climate Research, Australian Bureau of Meteorology and CSIRO, G P O Box 1289, Melbourne 3001, Australia, E-mail: p.may@bom.gov.au
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