Experiment of Sea Breeze Convection, Aerosols, Precipitation and Environment (ESCAPE)

Pavlos Kollias Division of Atmospheric Science, Stony Brook University, Stony Brook, NY, USA
Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, USA

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Greg M. McFarquhar Cooperative Institute for Severe and High Impact Weather and Research Operations (CIWRO), Norman, OK, USA
School of Meteorology, University of Oklahoma, Norman, OK, USA

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Eric Bruning Department of Geoscience, Texas Tech University, Lubbock, TX, USA

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Paul J. DeMott Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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Matthew R. Kumjian Department of Meteorology and Atmospheric Science, Penn State University, State College, PA, USA

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Paul Lawson Stratton Park Engineering Company, Boulder, CO, USA

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Zachary Lebo School of Meteorology, University of Oklahoma, Norman, OK, USA

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Timothy Logan Department of Atmospheric Sciences, Texas A&M University, College Station, TX, USA

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Kelly Lombardo Department of Meteorology and Atmospheric Science, Penn State University, State College, PA, USA

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Mariko Oue Division of Atmospheric Science, Stony Brook University, Stony Brook, NY, USA

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Greg Roberts Scripps Institution of Oceanography, University of California at San Diego, La Jolla, CA, USA

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Raymond A. Shaw Department of Physics, Michigan Technological University, Houghton, MI, USA

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Susan C. van den Heever Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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Mengistu Wolde Flight Research Laboratory, National Research Council of Canada, Ottawa, ON, Canada

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Kevin R. Barry Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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David Bodine School of Meteorology, University of Oklahoma, Norman, OK, USA

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Roelof Bruintjes Stratton Park Engineering Company, Boulder, CO, USA

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Venkatachalam Chandrasekar Department of Electrical and Computer Engineering, Colorado State University, Ft. Collins, CO, USA

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Andrew Dzambo Cooperative Institute for Severe and High Impact Weather and Research Operations (CIWRO), Norman, OK, USA

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Thomas C. J. Hill Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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Michael Jensen Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, USA

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Francesc Junyent Department of Electrical and Computer Engineering, Colorado State University, Ft. Collins, CO, USA

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Sonia M. Kreidenweis Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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Katia Lamer Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, USA

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Edward Luke Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, USA

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Aaron Bansemer National Center for Atmospheric Research, Boulder, CO, USA

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Christina McCluskey National Center for Atmospheric Research, Boulder, CO, USA

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Leonid Nichman Flight Research Laboratory, National Research Council of Canada, Ottawa, ON, Canada

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Cuong Nguyen Flight Research Laboratory, National Research Council of Canada, Ottawa, ON, Canada

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Ryan J. Patnaude Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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Russell J. Perkins Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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Heath Powers Los Alamos National Laboratory, Los Alamos, NM, USA

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Keyvan Ranjbar Flight Research Laboratory, National Research Council of Canada, Ottawa, ON, Canada

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Eric Roux Flight Research Laboratory, National Research Council of Canada, Ottawa, ON, Canada

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Jeffrey Snyder NOAA/OAR National Severe Storms Laboratory, Norman, OK, USA

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Bernat P. Treserras Department of Atmospheric and Oceanic Sciences, McGill University, Montreal, QC, Canada

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Peisang Tsai National Center for Atmospheric Research, Boulder, CO, USA

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Nathan A. Wales Los Alamos National Laboratory, Los Alamos, NM, USA

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Cory Wolff National Center for Atmospheric Research, Boulder, CO, USA

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Nithin Allwayin Department of Physics, Michigan Technological University, Houghton, MI, USA

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Ben Ascher Department of Atmospheric Science, Colorado State University, Ft. Collins, CO, USA

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Jason Barr Division of Atmospheric Science, Stony Brook University, Stony Brook, NY, USA

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Yishi Hu School of Meteorology, University of Oklahoma, Norman, OK, USA

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Yongjie Huang School of Meteorology, University of Oklahoma, Norman, OK, USA

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Miles Litzmann Division of Atmospheric Science, Stony Brook University, Stony Brook, NY, USA

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Zackary Mages Division of Atmospheric Science, Stony Brook University, Stony Brook, NY, USA

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Katherine McKeown Department of Meteorology and Atmospheric Science, Penn State University, State College, PA, USA

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Saurabh Patil School of Meteorology, University of Oklahoma, Norman, OK, USA

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Elise Rosky Department of Physics, Michigan Technological University, Houghton, MI, USA

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Kristofer Tuftedal Division of Atmospheric Science, Stony Brook University, Stony Brook, NY, USA

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Min-Duan Tzeng School of Meteorology, University of Oklahoma, Norman, OK, USA

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Zeen Zhu Environmental and Climate Sciences Department, Brookhaven National Laboratory, Upton, NY, USA

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Open access

Abstract

Convective clouds play an important role in the Earth’s climate system and are a known source of extreme weather. Gaps in our understanding of convective vertical motions, microphysics, and precipitation across a full range of aerosol and meteorological regimes continue to limit our ability to predict the occurrence and intensity of these cloud systems. Towards improving predictability, the National Science Foundation (NSF) sponsored a large field experiment entitled “Experiment of Sea Breeze Convection, Aerosols, Precipitation, and Environment (ESCAPE).” ESCAPE took place between 30 May - 30 Sept. 2022 in the vicinity of Houston, TX because this area frequently experiences isolated deep convection that interacts with the region's mesoscale circulations and its range of aerosol conditions.

ESCAPE focused on collecting observations of isolated deep convection through innovative sampling, and on developing novel analysis techniques. This included the deployment of two research aircraft, the National Research Council of Canada Convair-580 and the Stratton Park Engineering Company Learjet, which combined conducted 24 research flights from 30 May to 17 June. On the ground, three mobile X-band radars, and one mobile Doppler lidar truck equipped with soundings, were deployed from 30 May to 28 June. From 1 August to 30 Sept. 2022, a dual-polarization C-band radar was deployed and operated using a novel, multi-sensor agile adaptive sampling strategy to track the entire lifecycle of isolated convective clouds. Analysis of the ESCAPE observations has already yielded preliminary findings on how aerosols and environmental conditions impact the convective life cycle.

© 2024 American Meteorological Society. This is an Author Accepted Manuscript distributed under the terms of the default AMS reuse license. For information regarding reuse and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses).

Corresponding author email: pavlos.kollias@stonybrook.edu Division of Atmospheric Science Stony Brook University Stony Brook NY USA

Abstract

Convective clouds play an important role in the Earth’s climate system and are a known source of extreme weather. Gaps in our understanding of convective vertical motions, microphysics, and precipitation across a full range of aerosol and meteorological regimes continue to limit our ability to predict the occurrence and intensity of these cloud systems. Towards improving predictability, the National Science Foundation (NSF) sponsored a large field experiment entitled “Experiment of Sea Breeze Convection, Aerosols, Precipitation, and Environment (ESCAPE).” ESCAPE took place between 30 May - 30 Sept. 2022 in the vicinity of Houston, TX because this area frequently experiences isolated deep convection that interacts with the region's mesoscale circulations and its range of aerosol conditions.

ESCAPE focused on collecting observations of isolated deep convection through innovative sampling, and on developing novel analysis techniques. This included the deployment of two research aircraft, the National Research Council of Canada Convair-580 and the Stratton Park Engineering Company Learjet, which combined conducted 24 research flights from 30 May to 17 June. On the ground, three mobile X-band radars, and one mobile Doppler lidar truck equipped with soundings, were deployed from 30 May to 28 June. From 1 August to 30 Sept. 2022, a dual-polarization C-band radar was deployed and operated using a novel, multi-sensor agile adaptive sampling strategy to track the entire lifecycle of isolated convective clouds. Analysis of the ESCAPE observations has already yielded preliminary findings on how aerosols and environmental conditions impact the convective life cycle.

© 2024 American Meteorological Society. This is an Author Accepted Manuscript distributed under the terms of the default AMS reuse license. For information regarding reuse and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses).

Corresponding author email: pavlos.kollias@stonybrook.edu Division of Atmospheric Science Stony Brook University Stony Brook NY USA
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