Session: Cirrus and Ice Nucleation and Secondary Production Posters (15th Conference on Cloud Physics/15th Conference on Atmospheric Radiation)

185

Influence of Biogenic Constituents on the Heterogeneous Ice Nucleation Ability of Sea Salt Aerosol Particles at Cirrus Temperatures

Robert Wagner, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany; and A. Bertram, N. Els, L. Ickes, V. Irish, O. Möhler, B. J. Murray, G. Porter, M. Salter, and N. Umo

186

Cirrus in Outflow Region of Warm Conveyor Belts

Tim Lüttmer, Johannes Gutenberg University, Mainz, Germany; and P. Spichtinger

187

Enhanced Ice-nucleating Ability of Coal Fly Ash Aerosol Particles Initiated by Pre-activated Pores

Nsikanabasi Silas Umo, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany; and R. Wagner, R. Ullrich, A. Kiselev, H. Saathoff, D. J. Cziczo, T. Leisner, and O. Möhler

188

Evaluating the Influence of Gravity Waves on Synoptic Cirrus in the ModelE3 Climate Model

R. L. Atlas, University of Washington, Seattle, WA; and A. M. Fridlind, D. H. Rind, J. A. Jonas, A. S. Ackerman, H. Kalesse, and D. Barahona

189

Insights into Cold Cloud Microphysical Processes Using Radar Doppler Spectra

Edward P. Luke, Brookhaven National Laboratory, Upton, NY; and M. Maahn, F. Yang, and P. Kollias

190

A Comparison of Size Distribution Calculation Methods on Single Scattering Properties of Anvil Cirrus Clouds

Shawn Wagner, University of North Dakota, Grand Forks, ND; and D. Delene

191

Ice Particle Sampling from Aircraft—Influence of the Probing Position on the Ice Water Content

Armin Afchine, Forschungszentrum Juelich, Jülich, Germany; and C. Rolf, A. Costa, N. Spelten, M. Riese, B. Buchholz, V. Ebert, R. Heller, S. Kaufmann, C. Voigt, A. Minikin, M. Zöger, J. Smith, P. Lawson, A. Lykov, S. Khaykin, and M. Krämer

192

Global Cloud Particle Measurements on Commercial Aircraft as part of In-Service Aircraft for a Global Observing System (IAGOS)

M.W. Gallagher, University of Manchester, Manchester, United Kingdom; and G. Lloyd, K. Beswick, T. W. Choularton, C. THOMAS, and I. TEAM

193

Concurrent Radar and Aircraft Reflectivity Comparisons of Florida Thunderstorm Cirrus Clouds

Nicholas J. Gapp, Univ. of North Dakota, Grand Forks, ND; and P. Harasti, D. Delene, J. Schmidt, and J. Hoover

194

Correlative Spectroscopic Ellipsometry and Cryo-Scanning Electron Microscopy Measurements of Cirrus-Analog Ice Crystals

Nathan B. Magee, College of New Jersey, Ewing, NJ; and S. Staskiewicz and M. Fields

195

Parameterizing Homogeneous Nucleation of Ice Particles using Asymptotics

Manuel Baumgartner, Johannes Gutenberg University, Mainz, Germany; and P. Spichtinger

196

Quantitative Three-Dimensional Ice Roughness From Scanning Electron Microscopy

Steven P. Neshyba, University of Puget Sound, Tacoma, WA; and P. M. Rowe, N. Butterfield, E. Stewart, and D. Roesel

197

Interactions between Heterogeneous Ice Nucleation and the Hallett Mossop Process in Dust-Laden Tropical Convective Clouds

Rachel Elizabeth Hawker, University of Leeds, Leeds, United Kingdom; and A. Miltenberger, B. J. Murray, K. Carslaw, P. Field, J. M. Wilkinson, and A. Hill

198

Ice Nucleating Particles: A Mystery Far from Solved

Zamin A. Kanji, ETH Zürich, Zurich, Switzerland

199

Annual Cycles in Ice Nucleating Particle Concentrations at Four Arctic Locations

Frank Stratmann, Leibniz Institute for Tropospheric Research (TROPOS), Leipzig, Germany; and L. Huang, H. Hung, R. Traversi, R. Sheesley, C. Moffett, T. Barrett, R. Bossi, M. Hartmann, and H. Wex

200

Soot Aerosols as a Source for Ice Nucleating Particles in the Cirrus Regime—The Role of Soot Particle Properties.

Fabian Mahrt, ETH Zurich, Zurich, Switzerland; and C. Marcolli, R. David, U. Lohmann, E. J. Barthazy, P. Grönquist, and Z. A. Kanji

201

A 500 Year Record and Present Day Observations of Ice Nucleating Particles in the High Arctic

Markus Hartmann, Leibniz Institute for Tropospheric Research, Leipzig, Germany; and A. Vogel, S. Brügger, X. Gong, H. Herrmann, M. van Pinxteren, J. Schmale, M. Schwikowski, A. Welti, H. Wex, S. Zeppenfeld, and F. Stratmann

202

Properties and Concentrations of Ice Nucleating Particles in the Sea-Surface Microlayer and Bulk Seawater in the Canadian Arctic during Summer 2016 and Comparison with Summer 2014

Victoria E Irish, University of British Columbia, Vancouver, BC, Canada

203

CCN and IN Abilities of Metal Oxide Particles Measured with MRI Cloud Simulation Chamber and MRI Continuous Flow Diffusion Chamber-type IN Counter

Tzu-Hsien Kuo, MRI, Tsukuba, Japan; and M. Murakami, T. Tajiri, and N. Orikasa

204

Ice-Nucleating Efficiency of Aerosol Particles and Possible Sources at Two Coastal Marine Sites

Meng Si, University of British Columbia, Vancouver, BC, Canada

205

Flux Measurements on Top of the Research Station Jungfraujoch in Switzerland

W. Schledewitz, School of Earth, Atmospheric and Environmental Sciences, University of Manchester, United Kingdom, Manchester, United Kingdom; and G. Lloyd, T. W. Choularton, M. Gallagher, K. N. Bower, and M. J. Flynn

206

Investigating the Sensitivity of Ice Crystal Habit and Nucleation on Hydrometeor Sedimentation Rates

Lauriana C. Gaudet, Univ. at Albany, SUNY, Albany, NY; and K. Sulia

207

The Origins of Ice in Tropical Convective Clouds over the Atlantic Ocean during ICE-D

G. Lloyd, School of Earth, Atmospheric and Environmental Sciences, University of Manchester, United Kingdom, Manchester, United Kingdom; and T. W. Choularton, K. N. Bower, J. Crosier, M. W. Gallagher, M. J. Flynn, J. R. Dorsey, Z. Cui, A. M. Blyth, P. Field, and R. J. Cotton

208

Investigating Secondary Ice Production in Summertime Southern Ocean Cumuli

Emma Scott, University of Illinois, Urbana, IL; and S. Lasher-Trapp, G. M. McFarquhar, R. M. Rauber, Y. Huang, P. J. DeMott, C. McClusky, T. C. J. Hill, M. Schnaiter, F. Waitz, and E. Järvinen

209

Importance of Inorganic and Organic Compounds in Desert Aerosol for Ice Nucleation

Yvonne Boose, DLR, Wessling, Germany; and P. Baloh, M. Plötze, H. Grothe, U. Lohmann, and Z. A. Kanji

210

Ice Crystal Properties in the Outflow of Mesoscale Convective Systems over West Africa

Yvonne Boose, DLR, Wessling, Germany; and J. Kleine, V. Hahn, S. Kaufmann, D. Sauer, H. Schlager, V. Catoire, and C. Voigt

211

Ice Nucleation Measurements during the Pyeongchang 2018 Winter Olympics

212

Multi-thermals and High Concentrations of Secondary Ice: A Modeling Study of Convective Clouds During the ICE-D Campaign

Zhiqiang Cui, Univ. of Leeds, Leeds, United Kingdom; and A. M. Blyth and Y. Huang

213

Heterogeneous Freezing Starts with Surface Interactions

Will Cantrell, Michigan Technological Univ., Houghton, MI; and N. N. Lata, J. Zhou, B. Glatz, and S. Sarupria

Poster Session 2A Cirrus and Ice Nucleation and Secondary Production Posters