Poster Session 1 Cloud Physics Poster Session 1

Monday, 28 June 2010: 5:30 PM-8:30 PM
Exhibit Hall (DoubleTree by Hilton Portland)
Host: 13th Conference on Cloud Physics
Greg McFarquhar, Univ. of Illinois, Dept. Atmospheric Sciences, Urbana, IL

Comparison of experimental and numerical studies of the performance characteristics of a Pumped Counterflow Virtual Impactor
Gourihar Kulkarni, PNNL, Richland, WA; and M. Pekour, D. Murphy, K. Pratt, and D. J. Cziczo

Design and Testing of an Interstitial Particle Sampler
Arash Moharreri, Clarkson University, Potsdam, NY; and P. Dubey, L. W. Craig, A. Schanot, D. C. Rogers, D. W. Toohey, and S. Dhaniyala

The effects of splash artifacts on aerosol measurements in clouds
Lucas W. Craig, Clarkson University, Potsdam, NY; and A. Schanot, A. Moharerri, P. Dubey, S. Dhaniyala, D. C. Rogers, and D. W. Toohey

Supercooled cloud CCN measurements
Stephen Noble, DRI, Reno, NV; and J. G. Hudson and V. Jha

In Situ Measurements of Charge on Cloud Drops
Harry T. Ochs III, Atmospheric Physics Associates, Savoy, IL; and K. V. Beard

Handout (76.3 kB)

Ice Crystal Erosion in Aircraft Icing and Airborne Cloud Measurements
J. W. Strapp, Cloud Physics and Severe Weather Res. Section, Toronto, ON, Canada; and J. MacLeod

A new comparison of bulk ice water content measurements in cirrus cloud
Paul A. Barrett, Met Office, Exeter, United Kingdom

Intercomparison of the performance of three different versions of Cloud Particle Imagers (CPIs)
Junshik Um, University of Illinois, Urbana, IL; and G. M. McFarquhar, P. J. Connolly, C. Emersic, Z. Ulanowski, and M. Gallagher

Water Droplet Calibration of the DMT Cloud Droplet Probe (CDP) and In-Flight Performance in Liquid, Ice and Mixed-Phase Clouds during ARCPAC
Sara M. Lance, CIRES/Univ. of Colorado and NOAA, Boulder, CO; and C. A. Brock, D. Rogers, and J. Gordon

Ultrafast thermometer UFT2 and high resoltution temperature measurements in Physics of Stratocumulus Top (POST)
Wojciech Kumala, University of Warsaw, Warsaw, Poland; and K. E. Haman, M. Kopec, and S. P. Malinowski

Handout (942.9 kB)

Precipitation Particle Size Distributions Characterized by Video Disdrometer and Polarimetric Radar Measurements
Guifu Zhang, University of Oklahoma, Norman, OK; and Q. Cao and P. Bukovcic

Heterogeneous freezing of droplets with immersed surface modified mineral dust particles
Susan Hartmann, Leibniz Institute for Tropospheric Research, Leipzig, Germany; and D. Niedermeier, A. Buchholz, U. Bundke, T. Clauss, P. J. DeMott, A. Kiselev, T. F. Mentel, M. D. Petters, B. Reimann, P. Reitz, J. Schneider, R. A. Shaw, B. Sierau, O. Stetzer, R. Sullivan, H. Wex, and F. Stratmann

CCN property of Asian mineral dust particle
Katsuya Yamashita, MRI, Tsukuba, Ibaraki Pref., Japan; and T. Tajiri, M. Murakami, Y. Zaizen, and A. Saito

Handout (647.5 kB)

Algal exudate in seawater and its influence on particle hygroscopic growth and activation
Frank Stratmann, Leibniz Institute for Tropospheric Research, Leipzig, Germany; and H. Wex, E. Fuentes, G. Tsagkogeorgas, J. Voigtländer, T. Clauss, A. Kiselev, D. Green, H. Coe, and G. McFiggans

Experimental observation of a pH profile at an evaporating or growing vapor-liquid interface
Brian D. Swanson, Univ. of Washington, Seattle, WA; and B. Wilson

Ice nucleation active sites: Insights from experiments with mineral dusts and bacteria
Olaf Stetzer, ETH, Zurich, Switzerland; and F. Lueoend and U. Lohmann

A static diffusion chamber for measuring ice particle growth at low and high ice supersaturations
Jerry Y. Harrington, Penn State Univ., University Park, PA; and E. Davis, A. M. Moyle, D. Lamb, and K. Sulia

Observation of playa salts as nuclei in orographic wave clouds
Kerri A. Pratt, University of Michigan, Ann Arbor, MI; and C. H. Twohy, S. M. Murphy, R. C. Moffet, A. J. Heymsfield, C. J. Gaston, P. J. DeMott, P. R. Field, T. R. Henn, D. C. Rogers, M. K. Gilles, J. H. Seinfeld, and K. A. Prather

MRI cloud chamber experiments on dust aerosol and cloud interactions
Takuya Tajiri, MRI, Tsukuba, Ibaraki Pref., Japan; and K. Yamashita and M. Murakami

Small-scale mixing at cloud top observed in a laboratory cloud chamber – preliminary results
Szymon P. Malinowski, University of Warsaw, Warsaw, Poland; and A. Górska, T. A. Kowalewski, P. Korczyk, S. Ł. Błoński, and W. Kumala

Handout (1006.6 kB)

Evaluating assumptions that impact calculation of collision efficiencies
Jørgen B. Jensen, NCAR, Broomfield, CO; and W. A. Cooper

Comparison of experimental and numerical studies of turbulent collision of inertial droplets and the resulting droplet size distribution
Alberto Aliseda, University of Washington, Seattle, WA; and C. Bateson, W. W. Grabowski, H. Parishani, B. Rosa, and L. P. Wang

Experimental study on collision efficiencies and contact freezing with a new collision chamber
Luis Antonio Ladino Moreno, ETH, Zurich, Switzerland; and O. Stetzer, F. Lüönd, B. Hattendorf, D. Günther, and U. Lohmann

Raindrop shape determined by computing steady axisymmetric solutions for Navier-Stokes equations
James Q. Feng, Boston Scientific Corporation, Maple Grove, MN; and K. V. Beard

Handout (934.2 kB)

Laboratory studies of the fall speeds and interactions of complex ice particles
Christopher David Westbrook, Univ. of Reading, Reading, United Kingdom; and C. Roberts and A. J. Heymsfield

Effects of riming and melting processes on the rescaled ice particle size distribution
Tempei Hashino, Univ. of Wisconsin, Madison, WI; and G. J. Tripoli

Analysis of Particle Size Distribution using Airborne Field Campaign Observations
Lin Tian, Goddard Earth Science and Technology Center / Univ. of Maryland Baltimore County, Greenbelt, MD; and G. M. Heymsfield, A. Heymsfield, and A. Bansemer

Laboratory measured ice crystal capacitances and mass dimensional relations
Matthew Bailey, DRI, Reno, NV; and J. Hallett

Handout (2.7 MB)

Metamorphosis of Disk Plate Snow Crystal
Hisashi Shio, Hokkaido Univ., Kita-ku, Japan

Studies on the Microphysical Characteristics of an Aircraft Seeding in a Complex System of the Stratiform and Embedded Convective Cloud
Zhanyu Yao, Chinese Academy of Meteorological Sciences, Beijing, China; and L. Xin, J. Pu, and H. Zhang

Effect of hygroscopic seeding on warm rain clouds
Naomi Kuba, Japan Agency for Marin-Earth Science and Technology (JAMSTEC), Yokohama, Japan; and M. Murakami

Handout (2.9 MB)

Evaluation of the seeded stratocumulus by aircraft by the application of CINRAD
Ruibo Zhang, Weather Modification Office of Guangxi, Nanning, Guangxi, China; and X. Zhong

The impact of glaciogenic cloud seeding on snowfall from winter orographic clouds
Bart Geerts, University of Wyoming, Laramie, WY; and Q. Miao and Y. Yang

The occurrence of seedable clouds in the warm season for mitigating water shortage problems
Tomoki Koshida, IDEA Consultants Inc., Yokohama, Kanagawa, Japan

Handout (80.7 kB)

The effects of aerosols and hygroscopic seeding on the development of precipitaiton in convective clouds in the Three Rivers' Headstream regions
Zongzhen Yang, Nanjing University, Nanjing, Jiangsu Province, China; and K. Zheng and B. Chen

Amelioration of global warming via the modification of droplet concentrations in marine stratocumulus clouds
Laura Stevens, University of Leeds, Leeds, United Kingdom; and A. Gadian, A. Blyth, and J. Latham

Multi-scale models for cumulus cloud dynamics
Samuel N. Stechmann, University of Wisconsin-Madison, Madison, WI; and B. Stevens

Transition to turbulence in a conditionally unstable moist convection layer
Thomas Weidauer, Ilmenau University of Technology, Ilmenau, Germany; and J. Schumacher

The turbulent length scale problem in cloud resolving models
Peter Bogenschutz, University of Utah, Salt Lake City, UT; and S. K. Krueger

The effect of superparameterization on aerosol transport
Wei-Chun Hsieh, Univ. of California, Berkeley, CA; and D. Rosa and W. Collins

Handout (646.8 kB)

Toward cloud-model assessment of the role of cloud turbulence in warm-rain development
Wojciech W. Grabowski, NCAR, Boulder, CO; and A. A. Wyszogrodzki, L. P. Wang, O. Ayala, and B. Rosa

Modeling of cloud-aerosol interactions in warm boundary-layer clouds
Wojciech W. Grabowski, NCAR, Boulder, CO; and M. Andrejczuk and A. Gadian

A unified theory for computing surface kinetic effects on ice vapor growth in cloud models
Chengzhu Zhang, Penn State Univ., University Park, PA; and J. Y. Harrington

Handout (625.7 kB)

Simulations of warm cloud microphysics with a particle-based multicomponent model
Lester Alfonso Sr., Universidad Autonoma de la Ciudad de Mexico, Mexico City, Mexico; and G. B. Raga and D. Baumgardner

Multiple size-distributed populations of CCN and IFN in a 2-moment microphysical scheme of the cloud-resolving model MesoNH
Jean-Pierre Pinty, University of Toulouse/CNRS, Toulouse, France; and S. Berthet and M. Leriche

The parameterization of primary ice habit for bulk models: Influences on mixed-phase cloud glaciation
Kara Sulia, NOAA/GFDL, Princeton, NJ; and J. Y. Harrington and H. Morrison

Handout (2.9 MB)

A new 2-moment icemicrophysical scheme for large eddy simulations
Thijs Heus, Max Planck Institute for Meteorology, Hamburg, Germany; and B. Stevens and A. Seifert

Upscaling microphysical process rates to the grid box size
Vincent E. Larson, Univ. of Wisconsin, Milwaukee, WI; and B. M. Griffin

Handout (109.0 kB)

Tracking tropical cloud systems for the diagnosis of simulations by the Weather Research and Forecasting (WRF) Model
Andrew M. Vogelmann, Brookhaven National Laboratory, Upton, NY; and W. Lin, A. Cialella, E. P. Luke, M. P. Jensen, M. H. Zhang, and E. Boer

A dynamic probability density function treatment of cloud mass and number concentrations for low level clouds in GFDL SCM/GCM
Huan Guo, NOAA/GFDL, Princeton, NJ; and J. C. Golaz, L. Donner, V. E. Larson, D. P. Schanen, and B. M. Griffin

Improving mixed-phase cloud representation in weather and climate models
Andrew I. Barrett, University of Reading, UK, Reading, Berkshire, United Kingdom; and R. J. Hogan and R. M. Forbes

Heterogeneous ice nucleation in the ash plume of Eyjafjoll observed at two central-European EARLINET lidar sites
Patric Seifert, Leibniz Institute for Tropospheric Research (TROPOS), Leipzig, Germany; and S. Groß, A. Ansmann, V. Freudenthaler, A. Hiebsch, J. Schmidt, F. Schnell, M. Tesche, and M. Wiegner

Development of a climatology for cirrus cloud ice water content and its application to climate model parameterizations
Anna E. Luebke, Forschungszentrum Juelich, Juelich, Germany; and M. Kraemer and L. M. Avallone

Assessing the Performance of a Prognostic and a Diagnostic Cloud Scheme Using Single Column Model Simulations of TWP-ICE
Charmaine N. Franklin, CSIRO, Aspendale, Victoria, Australia; and C. Jakob, M. Dix, A. Protat, and G. Roff

Handout (1.8 MB)

Using TWP-ICE observations with model intercomparison to improve simulations of tropical oceanic convection
Adam C. Varble, University of Utah, Salt Lake City, UT; and E. J. Zipser, A. M. Fridlind, P. Zhu, A. S. Ackerman, J. P. Chaboureau, S. Collis, J. Dudhia, J. Fan, A. Hill, P. T. May, J. P. Pinty, and A. Protat

Does the introduction of a simple cloud-aerosol interaction improve the representation of drizzle in the operational Met Office Unified Model?
Jonathan M. Wilkinson, Met Office, Exeter, Devon, United Kingdom; and S. J. Abel and P. R. Field

Handout (511.2 kB)

The validation of microphysics properties simulated by a cloud resolving model using an in-situ aircraft observation during a cold winter event
Hideaki Ohtake, AIST, Tsukuba, Ibaraki, Japan; and M. Murakami, N. Orikasa, A. Saito, and A. Hashimoto

Handout (515.3 kB)

Microphysical structure of convective snow clouds simulated by an improved version of multi-dimensional bin model
Ryohei Misumi, National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan; and A. Hashimoto, M. Murakami, N. Kuba, N. Orikasa, A. Saito, T. Tajiri, K. Yamashita, and J. P. Chen

Ice production in a slightly supercooled layer cloud with embedded convection
Jonathan Crosier, University of Manchester, Manchester, United Kingdom; and K. N. Bower, G. L. Capes, I. Crawford, J. Dorsey, T. Choularton, A. J. Illingworth, C. Westbrook, and A. M. Blyth

The Impact of Cloud Microphysics on Precipitation using an Integration of Observation and WRF Simulation: A Squall Line Case Study
Di Wu, University of North Dakota, Grand Forks, ND; and X. Dong, B. Xi, Z. Feng, and G. Mullendore

Impacts of ice nucleation modes and ice crystal habits on mixed-phase cloud lifetime
Barbara Ervens, NOAA, Boulder, CO; and G. Feingold, K. Sulia, and J. Y. Harrington

Extreme precipitation events over southern Mexico: Sensitivity of WRF simulations to cloud microphysics parameterizations
Victor Torres Puente, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico; and G. B. Raga

Handout (2.9 MB)

Numerical experiment of lake-effect snowstorm using the WRF model coupled with spectral bin microphysics for cloud
Takamichi Iguchi, UMCP ESSIC / NASA GSFC, Greenbelt, MD; and T. Matsui, J. J. Shi, and W. K. Tao

Profiling of Winter Storms (PLOWS): What we are learning about winter precipitation bands
Brian F. Jewett, Univ. of Illinois, Urbana, IL; and R. M. Rauber, G. McFarquhar, J. R. French, and K. R. Knupp

The estimation of total lightning from various storm parameters: A cloud-resolving model study
Christelle Barthe, LACY (UMR 8105), Saint Denis Cedex 9, Reunion; and W. Deierling and M. C. Barth

Variance scaling in water vapor measurements from a tall tower
Kyle G. Pressel, ETH, Zurich; and W. D. Collins and A. R. Desai

Handout (436.2 kB)

Cloud and moist conserved variables from the A-train and comparisons to ECMWF during YOTC
Brian H. Kahn, JPL, Pasadena, CA; and J. Teixeira and E. Fetzer

A study of the vertical structure and distribution of cloud system in China from Upper-Air Observations and CloudSat data
Yuquan Zhou Sr., Chinese Academy of Meteorological Science, Beijing, China; and J. Ou and B. Shang

An investigation of the vertical structure of clouds over West Africa in the Met Office Unified Model using the CloudSat simulator and CloudSat observations
Thorwald Hendrik Matthias Stein, University of Reading, Reading, United Kingdom; and A. Bodas-Salcedo, R. J. Hogan, C. E. Holloway, G. Lister, and D. J. Parker

The characteristics of clouds and precipitation over the Pacific coast of southern Mexico retrieved from satellite TRMM products
Beata Kucienska, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico; and G. B. Raga

Handout (1.2 MB)

Global scale analysis of relations between cloud top phase and thermodynamic parameters
Jérôme Riedi, Laboratoire d'Optique Atmosphérique, Villeneuve d'Ascq, France; and S. Zeng, F. Parol, C. Cornet, and F. Thieuleux

Challenging cloud physicists
Roland List, Prof. Roland List, Toronto, ON, Canada

Handout (877.8 kB)

A numerical study on the riming process in the transition from a pristine crystal to a graupel particle
Tempei Hashino, Univ. of Wisconsin, Madison, WI; and M. Chiruta and P. K. Wang

Ice Particle Growth Rates Under Conditions of the Upper Troposphere
Harold Peterson, NASA/MSFC, Huntsville, AL; and M. Bailey and J. Hallett

Handout (2.4 MB)

A New Understanding of Raindrop Shape
Kenneth V. Beard, University of Illinois, Urbana, IL

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