Session 2 – warm boundary layer clouds

Oral session:

S2.1 Shallow Marine Cloud Droplet Distributions: In-Situ Field Campaign Observations and Model Parameterization Comparison
Alison Nugent*, Jorgen Jensen
NCAR, USA (video; position 00:00)
S2.2 Design and evaluation of a large-eddy simulator with a novel description of aerosol-cloud interactions using a sectional framework
Juha Tonttila*1, Sami Romakkaniemi1, Harri Kokkola1, Hannele Korhonen2, Zubair Maalick3, Thomas Kühn1,3
1Finnish Meteorological Institute, Atmospheric Research Centre of Eastern Finland, Finland, 2Finnish
Meteorological Institute, Finland, 3University of Easter Finland, Dept. of Applied Physics, Finland
(video; position 14:38)
S2.3 Drizzle and non-drizzle cloud regimes observed over the northwestern Pacific in summer: Aerosol-cloud- precipitation interactions
Makoto Koike*1, M. Mitamura1, N. Moteki1, H. Nakamura1, H. Miura1, N. Takegawa2, K. Kita3
1University of Tokyo, Japan, 2Tokyo Metropolitan University, Japan, 3Ibaraki University, Japan
(video; position 00:00)
S2.4 Identifying Meteorological Controls on Open and Closed Mesoscale Cellular Convection as Associated with Marine Cold Air Outbreaks
Isabel McCoy*, Robert Wood
University of Washington, USA (video; position 15:18)
S2.5 Modulation of stratocumulus to cumulus transition by rain Takanobu Yamaguchi*1,2, Graham Feingold2, Jan Kazil1,2
1CIRES, University of Colorado, USA, 2NOAA ESRL, USA (video; position 00:00)
S2.6 Ultra-clean Layers and Low Albedo Clouds in the Marine Boundary Layer
Robert Wood*1, Paquita Zuidema2, Chris Bretherton1, Bruce Albrecht2, Virendra Ghate3, Mampi Sarkar2, Susanne Glienke4, Johannes Mohrmann1, Raymond Shaw4, Jacob Fugal5
1University of Washington, USA, 2University of Miami, USA, 3Argonne National Lab, USA, 4Michigan
Technological University, USA, 5Mainz University, Germany (video; position 16:10)
S2.7 Turbulent enhancement of collision-coalescene processes in large-eddy simulations of trade wind cumulus clouds
Axel Seifert*1, Ryo Onishi2
1Deutscher Wetterdienst, Germany, 2Center for Earth Information Science and Technology, Japan Agency
for Marine-Earth Science and Technology, Japan (video; position 00:00)
S2.8 Relationship Between Turbulence and Drizzle Onset and Growth in Low-level Continental and Marine Stratiform Clouds Using ARM Observations
Edward Luke*1, Paloma Borque3, Wanda Szyrmer3, Pavlos Kollias2,1
1Brookhaven National Lab, USA, 2Stony Brook University, USA, 3McGill University, Canada (video; position 15:42)
S2.9 Giant aerosols vs turbulent collision enhancement in marine stratocumuli.
Piotr Dziekan*1, Jorgen Jensen2, Anna Jaruga1, Hanna Pawlowska1
1Institute of Geophysics, Faculty of Physics, University of Warsaw, Poland, 2Earth Observation Laboratory,
National Center for Atmospheric Research, USA (video; position 30:42)
S2.10 Turbulence-microphysics feedbacks in LES of marine stratocumulus Mikael Witte*1, Patrick Chuang1, Orlando Ayala3,2, Lian-Ping Wang2
1University of California Santa Cruz, USA, 2University of Delaware, USA, 3Old Dominion University, USA (video; position 00:00)
S2.11 Marine stratocumulus: Variability in Precipitation Rate Caused by Variability in Giant Sea-Salt Size Distributions (GCCN)
Jorgen Jensen*, Alison Nugent
NCAR Earth Observation Laboratory, USA (video; position 15:00)
S2.12 Recirculation and growth of raindrops in simulated shallow cumulus Ann Kristin Naumann*1, Axel Seifert2
1Max Planck Institute for Meteorology, Germany, 2Deutscher Wetterdienst, Germany (video; position 30:08)
S2.13 Stratocumulus precipitation from long-resident droplets
Alberto de Lozar
Max Planck Institute for Meteorology, Germany
S2.14 Drizzle Production in Stratocumulus-topped Boundary Layers Pavlos Kollias*1,3, Edward Luke2, Wanda Szyrmer3
1Stony Brook University, USA, 2Brookhaven National Laboratory, USA, 3McGill University, Canada (video; position 44:00)
S2.15 The microscale dynamics of warm fog layer in the Ganges Valley Anandakumar Karipot1, Subharthi Chowdhuri2, P Murugavel2, Thara Prabha*2
1SP Pune university, India, 2Indian Institute of Tropical Meteorology, India
S2.16 The effect of aerosol on radiation fog life-cycle
Sami Romakkaniemi*1, Zubair Maalick2, Juha Tonttila1, Ari Laaksonen3, Harri Kokkola1, Thomas Kuhn1,2
1Finnish Meteorological Institute, Finland, 2University of Eastern Finland, Finland,
3Finnish Meteorological Institute, Finland (video; position 00:00)
S2.17 An overview of the LANFEX, (Local and Non-local Fog EXperiment) observational campaign.
Amanda Kerr-Munslow*, Jeremy Price, Siân Lane, Bernard Claxton, Simon Osborne
Met Office, UK (video; position 15:50)
S2.18 Improving high-resolution fog simulations using LANFEX observations Ian Boutle*, Adrian Lock, Jeremy Price
Met Office, UK (video; position 00:05)
S2.19 Elucidating the processes responsible for radiation fog formation during the LANFEX fog campaign.
Jeremy Price (video; position 14:00)
Met Office, UK
S2.20 Mid boundary layer humidity pockets as the formation mechanism of small warm clouds
Eitan Hirsch1,2, Orit Altaratz*1, Ilan Koren1, Zev Levin3, Eyal Agassi2
1The Weizmann Institute of Science, Israel, 2Israel Institute for Biological Research, Israel, 3Tel-Aviv
University, Israel (video; position 00:00)
S2.21 How shallow convection in drier subsiding atmospheres supports deeper trade-wind layers and more precipitation
Raphaela Vogel*1, Louise Nuijens2, Bjorn Stevens1
1Max Planck Institute of Meteorology, Germany, 2Massachusetts Institute of Technology, USA (video; posiiton (12:20)
S2.22 Impacts of cloud microphysical schemes on precipitation of shallow warm clouds
Naomi Kuba*1, Kentaroh Suzuki1, Masaki Satoh1,2, Tatsuya Seiki2, Roh Woosub1
1Atmosphere and Ocean Research Institute, Japan, 2Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology, Japan (video; position 27:27)
S2.23 Overlap statistics of shallow boundary layer clouds: Comparing ground-based observations with large-eddy simulations.
Gabriele Corbetta1, Emiliano Orlandi1, Thijs Heus2, Roel Neggers1, Susanne Crewell1, Kerstin Ebell*1
1Institute for Geophysics and Meteorology, University of Cologne, Germany, 2Department of Physics,
Cleveland State University, USA, 3RPG Radiometer Physics GmbH, Germany (video; position 0:00)
S2.24 Attaining Low Horizontal Variability of Effective Radius in Stratocumulus Clouds Leehi Magaritz-Ronen*, Mark Pinsky, Alexander Khain
The Hebrew University of Jerusalem, Israel (video; position 14:18)
(*) presenting author

Poster session:

P2.1 Aerosol-cloud interactions in ultra clean layers (UCLs): idealized parcel model study with a detailed bin microphysics scheme
Kuan-Ting O*, Robert Wood
University of Washington, Department of Atmospheric Sciences, USA
P2.2 A Comparative Case Study for Cloud Droplet Spectrum of Shallow Maritime Cumuli in RICO with Numerical Simulation and Aircraft Observations
YONGQING WANG*, JIMING SUN
Key Laboratory of Cloud-Precipitation Physics and Severe Storms, Institute of Atmospheric Physics, Chinese Academy of Sciences, China
P2.3 LANFEX (Local and Non-local Fog EXperiment); instrumenting a multi-site field campaign
Amanda Kerr-Munslow*, James McGregor, Jeremy Price, Robert Clark, Martyn Pickering, Tony Jones, Dave Bamber, Siân Lane, Bernard Claxton
Met Office, UK
P2.4 Evaluating the Relationship of Volumetric Soil Moisture and Low-Level Cumulus Clouds during the CLASIC Field Campaign
Charles White1, Greg McFarquhar*1, Mark Miller2, Brian Jewett1, Matt McGill3, Dennis Hlavka4, Steven Platnick5, G. Thomas Arnold5, Albin Gasiewski6
1Department of Atmospheric Sciences, University of Illinois at Urbana Champaign, USA, 2Department of Environmental Sciences, Rutgers University, USA, 3Mesoscale Atmospheric Processes Laboratory NASA/Goddard Space Flight Center, USA, 4Science Systems and Applications, Inc., NASA/Goddard Space Flight Center, USA, 5NASA/Goddard Space Flight Center, USA, 6Department of Electrical and Computer Engineering, University of Colorado at Boulder, USA
P2.5 Droplet Concentration and Spectral Broadening in Southeast Pacific Stratocumulus Clouds Jefferson Snider, David Leon*, Zhien Wang
University of Wyoming, USA
P2.6 A three-moment warm rain scheme for large-eddy simulation models of precipitating shallow clouds Axel Seifert*1, Ann Kristin Naumann2
1Deutscher Wetterdienst, Germany, 2Max Planck Institute for Meteorology, Germany
P2.7 How does fog formation vary throughout a shallow valley network? Sian Lane*, Jeremy Price, Amanda Kerr-Munslow
Met Office, UK
P2.9 Turbulent Mixing and Drizzle Formation in Stratocumulus Clouds Leehi Magaritz-Ronen*, Mark Pinsky, Alexander Khain
The Hebrew University of Jerusalem, Israel
P2.10 Large-Scale Meteorological Controls on Marine Boundary Layer Aerosol Variability over the North Atlantic Sam Pennypacker*, Rob Wood
University of Washington, USA
P2.11Improving A Cloud Parameterization with Satellite Observations Matthew Lebsock*, Kay Suselj
Jet Propulsion Laboratory, USA
P2.12 Impacts of grid resolution on the maritime cumulus simulated by the stochastic Lagrangian cloud microphysical scheme.
Yousuke Sato*1,2, Shin-ichiro Shima2
1RIKEN Advanced Institute for Computational Science, Japan, 2Graduate School of Simulation Studies, University of Hyogo, Japan
P2.13 Scaling Analysis of Temperature and Liquid Water Content in the Marine Boundary Layer Clouds during POST Yongfeng Ma*1, Szymon Malinowski1, Katarzyna Karpińska1, Hermann Gerber2, Wojciech Kumala1
1University of Warsaw, Poland, 2Gerber Scientific Inc., USA
P2.14 High-resolution LES simulations of stratocumulus clouds and their validation with in-situ data: focus on cloud top turbulence
Marta Kopec*1, Szymon Malinowski1, Zbigniew Piotrowski2
1University of Warsaw, Faculty of Physics, Institute of Geophysics, Poland, 2Institute of Meteorology and Water Management, Poland
P2.15 The turbulent super-saturation field during the onset of shallow cumulus convection Holger Siebert*1, Raymond A. Shaw2, Frank Stratmann1
1Inst. f. Tropospheric Research, Germany, 2Michigan Technological University, USA
P2.16 Momentum transport in shallow convection
Linda Schlemmer*1,2, Peter Bechtold2, Irina Sandu2, Maike Ahlgrimm2Daily Programme_ICCP2016
1Institute for Atmospheric and Climate Science, ETH Zurich, Switzerland, 2European Centre for Medium- Range Weather Forecasts, UK
P2.17 Factors leading to the deepening of the Stratocumulus marineboundary layer Ryan Eastman*, Robert Wood
University of Washington, USA
P2.18 Simulating Feedbacks Between Stratocumulus Cloud Dynamics, Microphysics and Aerosols Over Large Scales. Daniel Grosvenor*1, Paul Field2, Adrian Hill2, Benjamin Shipway2
1University of Leeds, UK, 2Met Office, UK
P2.19 A hybrid Lagrangian-Eulerian numerical advection scheme developed for the simulations of cloud droplet diffusion growth
Wei Lei*, Sun Jiming
Key Laboratory of Cloud-Precipitation Physics and Severe Storms, Institute of Atmospheric Physics, Chinese Academy of Sciences, China
P2.20 Use of W-band Doppler spectra and in situ measurements to evaluate marine stratocumulus drizzle size distribution properties predicted by two large-eddy simulation codes with bin microphysics
Jasmine Remillard1,2, Ann Fridlind*2, Andrew Ackerman2, George Tselioudis2, David Mechem3, Pavlos Kollias1, Edward Luke4, Patrick Chuang5, Michael Witte5, Robert Wood6, Kirk Ayers7
1Stony Brook University, USA, 2NASA GISS, USA, 3University of Kansas, USA, 4Brookhaven National Laboratory, USA, 5University of California, USA, 6University of Washington, USA, 7Science Systems and Applications, Inc., USA
P2.21 The Impact of the Cloud Droplet Size Distribution Shape Parameter on Evaporation and Cloud Fraction Adele L Igel*, Susan C van den Heever
Colorado State University, USA