Poster Session 5 Wayne Schubert Symposium

Program Chairs: Chungu Lu , NSF ; Richard H. Johnson , Colorado State Univ. ; Rosana Nieto-Ferreira , East Carolina Univ.

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Wednesday, 15 January 2020

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8:30 AM-10:00 AM: Wednesday, 15 January 2020

Recording files available
Session 1
Moist Processes Ranging from Stratocumulus to Deep Convection
Location: 210C (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Cochairs: Richard H. Johnson, Colorado State Univ.; Alex Omar Gonzalez, Iowa State Univ.
8:30 AM
Intro by Richard Johnson

8:45 AM
1.1
I’ve Looked at Clouds from Both Sides Now
James J. Hack, ORNL, Oak Ridge, TN
Recorded Presentation

9:00 AM
1.2
A Personal Perspective on Wayne Schubert’s Contributions to Our Knowledge and Understanding of Cloud-Topped Boundary Layers
Bruce Albrecht, Univ. of Miami, Miami, FL
Recorded Presentation

9:15 AM
1.3
Potential Vorticity in Mesoscale Convective Systems
Christopher A. Davis, NCAR, Boulder, CO
Recorded Presentation

9:30 AM
1.4
Controls on Water Vapor in the Presence of Deep Convection
D. A. Randall, Colorado State Univ., Fort Collins, CO
Recorded Presentation

9:45 AM
1.5
Equatorial Convectively Coupled Waves and Indonesia Floods
Maria K. Flatau, NRL, Monterey, CA; and P. J. Flatau, D. B. Baranowski, B. Latos, and T. Lefort

10:00 AM
1.6
Constraints on Tropical Convection and Precipitation in a Changing Climate
Peter Webster, Georgia Institute of Technology, Atlanta, GA; and C. Hoyos, V. Toma, and G. L. Stephens
Recorded Presentation

10:00 AM-10:30 AM: Wednesday, 15 January 2020


AM Coffee Break (Wednesday)
Location: Boston Convention and Exhibition Center

10:30 AM-12:00 PM: Wednesday, 15 January 2020

Recording files available
Session 2
Tropical Cyclones. Part I
Location: 210C (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Cochairs: Chungu Lu, NSF; Tom Guinn, NSF
10:30 AM
2.1
The Polygonal Eyes of Wayne Schubert
Richard Rotunno, NCAR, Boulder, CO
Recorded Presentation

2.2
Wayne Schubert’s Contributions to our Understanding of Tropical Cyclone Wind Structure Change and Eyewall Replacement Cycles

10:45 AM
2.2A
What Is Cooling the Tropopause above Tropical Cyclones?
Louis Rivoire, Colorado State Univ., Fort Collins, CO; and T. Birner and J. A. Knaff
Recorded Presentation

11:00 AM
2.3A
Bringing Schubert TC Research into an Undergraduate NWP Course:  Inspiring the Next Generation of Meteorologists
Thomas Guinn, Embry-Riddle Aeronautical University

2.3
The Inner-Core Thermodynamics of the Tropical Cyclone Boundary Layer

11:15 AM
2.4A
Leaving a Balanced World: Probing the Nonlinear, Unbalanced Dynamics of the Tropical Boundary Layer
C. J. Slocum, CIRA, Fort Collins, CO; and A. O. Gonzalez
Recorded Presentation

11:30 AM
2.5
Recent Observational Support for Schubert’s Tropical Cyclone Conceptual Frameworks
Michael M. Bell, Colorado State Univ., Fort Collins, CO
Recorded Presentation

2.4
Potential Vorticity Mixing, Dynamic Efficiency of Latent Heat Release, and the Rapid Intensification of Supertyphoon Haiyan (2013)

11:45 AM
2.6
Eyewalls, Rainbands, and Clouds in Tropical Cyclones
Robert A. Houze Jr., Univ. of Washington, Seattle, WA
Recorded Presentation

12:00 PM
Bringing Schubert TC Reasearch into an Undergraduate NWP Course: Inspiring the Next Generation of Meteorologists by Thomas Guinn
Recorded Presentation

12:00 PM-1:30 PM: Wednesday, 15 January 2020


Lunch Break (Wednesday)

1:30 PM-2:30 PM: Wednesday, 15 January 2020

Recording files available
Session 3
Tropical Cyclones. Part II
Location: 210C (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Cochairs: Rosana Nieto Ferreira, East Carolina University; Eric Hendricks, National Security Applications Program, NCAR
1:30 PM
3.1
Wayne Schubert’s Contributions to Balanced Vortex Dynamics
Kerry Emanuel, Massachusetts Institute of Technology, Cambridge, MA
Recorded Presentation

1:45 PM
3.2
Observations and the Evolution of Tropical Cyclone Vortex Dynamics
F. D. Marks, NOAA/AOML, Miami, FL
Recorded Presentation

2:00 PM
3.3
The Impact of Tropical Cyclone Research on Operational Forecasting
M. DeMaria, NOAA/NWS/NHC, Miami, FL
Recorded Presentation

2:15 PM
3.4
The Role of Tropical Cyclones in the Global Energy Budget
Greg Holland, NCAR, Boulder, CO; and A. Prein
Recorded Presentation

2:30 PM-3:00 PM: Wednesday, 15 January 2020


PM Coffee Break (Wednesday)
Location: Boston Convention and Exhibition Center

3:00 PM-4:00 PM: Wednesday, 15 January 2020

Recording files available
Session 4
Tropical to Global Atmospheric Circulation Systems
Location: 210C (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Cochairs: Paul E. Ciesielski, Colorado State University; Richard K. Taft, Colorado State University
3:00 PM
4.1
Vertical Dependence of the Scale and Structure of Stratospheric Equatorial Waves
George Kiladis, NOAA, Boulder, CO; and J. R. Albers and J. Dias
Recorded Presentation

3:15 PM
4.2
Tales of the QBO, Effects on the Wintertime Tropospheric Flow, and Stratospheric–Tropospheric Dynamical Coupling
Gudrun Magnusdottir, Univ. of California, Irvine, Irvine, CA
Recorded Presentation

3:30 PM
4.3
Topographically Bound Balanced Flow over Antarctica
Scott R. Fulton, Clarkson Univ., Potsdam, NY
Recorded Presentation

3:45 PM
4.4
Normal Mode Weak Interaction: From the Diurnal to Decadal and Longer Time Scales
Pedro Leite Silva Dias, Univ. of São Paulo, São Paulo, Brazil
Recorded Presentation

4:00 PM-6:00 PM: Wednesday, 15 January 2020


Formal Poster Viewing Reception (Wed)
Location: Hall B (Boston Convention and Exhibition Center)

Poster Session 1
Atmospheric Dynamics and Numerical Methods (Posters)
Location: Hall B (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Chair: Levi Silvers, Princeton Univ.
997
Comparing Statistical Flow Analysis between Two Finite-Volume Shallow-Water Model Solvers on Icosahedral Grids
Yonggang G. Yu, NOAA/ESRL/GSD, Boulder, CO; CIRES, Boulder, CO; and D. Rosenberg and M. W. Govett

998
Bottom-Up Causation and Cross-Scale Information Flow in a Stormy Model Midlatitude Atmospehre
X. San Liang, Nanjing Institute of Meteorology, Nanjing, China

999
Stochastic Dynamics of Water Vapor in the Climate System
Baohua Chen, Texas A&M Univ.—Corpus Christi, Corpus Christi, TX; and J. Duan, A. Sadovski, and X. Feng

Poster 1000 is now Paper 2.4A.

1001
Balanced Flow in Moist Dynamics with Phase Changes
Alfredo N. Wetzel, Univ. of Wisconsin–Madison, Madison, WI; and S. N. Stechmann, L. M. Smith, J. E. Martin, and Y. Zhang

1002
Technical Notes and Discussions on Implementing and Testing A- and C-Grid Icosahedral Shallow Water Model Solvers on a Sphere
Yonggang G. Yu, CIRES, Boulder, CO

1003
GeoFLuid Object Workbench (GeoFLOW) for the High-Order Numerical Solution of Partial Differential Equations on a Sphere
Bryan T. Flynt, CIRA, Boulder, CO; and D. L. Rosenberg and M. W. Govett


Poster Session 2
Cloud-Topped Boundary Layer Processes (Posters)
Location: Hall B (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Chair: Jonathan Vigh, National Center for Atmospheric Research (NCAR)
1004
Observed Large-Scale Controls on Marine Cloud-Topped Boundary Layers and How Wayne Schubert Influenced the Science
Stephen A. Klein, LLNL, Livermore, CA; and M. D. Zelinka and T. Myers

Handout (1.7 MB)

1005
Effects of Subtropical Stratocumulus Clouds on Coupled Simulations
Gabriel Cazes Boezio, Universidad de la Republica, Uruguay, Montevideo, Uruguay; and M. S. Molinari

1006
Using Vertical Velocity Retrievals to Estimate Entrainment Rates in Stratocumulus Cloud Systems

1007
Summertime Marine Stratocumulus Transition Processes over the Eastern North Atlantic
Melissa Kazemi-Rad, Rutgers Univ., New Brunswick, NJ; and M. A. Miller


Poster Session 3
Moist Processes—Stratocumulus to Deep Convection (Posters)
Location: Hall B (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Chair: Kate Musgrave, UCAR/SOARS and Colorado State Univ.
1008
The Role of Interactive SST in the Cloud-Resolving Simulations of Aggregated Convection
Chien-Ming Wu, National Taiwan Univ., Taipei, Taiwan; and Y. T. Chen

1009
Evaluating the Bias of South China Sea Summer Monsoon Precipitation Associated with Fast Physical Processes Using a Climate Model Hindcast Approach
Wei-Ting Chen, National Taiwan Univ., Taipei City, Taiwan; and C. M. Wu and H. Y. Ma

1010
Investigating the Relationship between Convective Precipitation Efficiency and Surface Temperature
Ryan Li, Yale Univ., New Haven, CT; and A. Fedorov and T. Storelvmo

Handout (3.4 MB)

1011
Impacts of Land–Atmosphere Interactions on Convection Initiations over the Southern Great Plains
Jingyi Chen, Pacific Northwest National Laboratory, Richland, WA; and S. Hagos, H. Xiao, J. D. Fast, and Z. Feng

1012
Statistical Properties of Cumulus Ensembles in High-Resolution Radiative–Convective Equilibrium Simulations
Tomoro Yanase, Kyoto Univ., Uji, Japan; Kyoto Univ., Kyoto, Japan; and T. Takemi

Handout (4.9 MB)

1013
Impacts of a Stochastic Subgrid-Scale Mixing Scheme in Deep Convection Simulations for Application to the Convective Gray Zone
McKenna W. Stanford, Univ. of Utah, Salt Lake City, UT; and H. Morrison and A. C. Varble

Handout (2.8 MB)

1014
A New Convective Trigger for Better Capturing the Diurnal Cycle of Precipitation in Weather and Climate Models: Observational Evidence and Modeling Results
Shaocheng Xie, LLNL, Livermore, CA; and Y. C. Wang and W. Lin

Handout (6.2 MB)

1015
The Relationship between Vertical Velocity and Microphysical Process Rates in Deep Convection
Leah D. Grant, Colorado State Univ., Fort Collins, CO; and S. C. van den Heever, Z. S. Haddad, R. L. Storer, D. J. Posselt, J. Bukowski, O. O. Sy, and G. L. Stephens

1016
Moisture, Clouds, and Radiation in a Mock-Walker Circulation
Levi Silvers, Princeton Univ., Princeton, NJ; and N. Jeevanjee and T. E. Robinson Jr.

1017
Evidence for Hydrometeor Storage and Advection Effects in the DYNAMO Budget Analysis of the MJO
Paul E. Ciesielski, Colorado State Univ., Fort Collins, CO; and R. Johnson and W. H. Schubert

Handout (1.6 MB)

1018
A Climatological Analysis of Moist Potential Vorticity
Alex Omar Gonzalez, Iowa State Univ., Ames, IA; and C. J. Slocum

Handout (2.1 MB)


Poster Session 4
Tropical Atmospheric Circulation Systems (Posters)
Location: Hall B (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Chair: Jonathan Vigh, National Center for Atmospheric Research (NCAR)
1019
Indian Ocean Dipole Induces Rainfall Anomalies in the South American Monsoon
Ana Claudia Thome Sena, Univ. of California, Irvine, Irvine, CA; and G. Magnusdottir

Handout (3.2 MB)

1020
Response of the ITCZ to Imposed Sea-Ice Loss in the Arctic: Exploring a Hierarchy of Simple Ocean Models in a Coupled Framework
Tien-Yiao Hsu, Univ. of California, Irvine, Irvine, CA; and G. Magnusdottir and F. Primeau

1021
Modulation of MJO Propagation Speed By the Fluctuation of Large-Scale Background Zonal Circulation
Tamaki Suematsu, Atmosphere and Ocean Research Institute, Univ. of Tokyo, Kashiwa-City, Chiba, Japan; and H. Miura

Handout (7.9 MB)

1022
Effects of the North Atlantic Subtropical High on Summertime Precipitation Organization in the Southeast United States
Rosana Nieto Ferreira, East Carolina Univ., Greenville, NC; and T. M. Rickenbach

Handout (8.6 MB)

1023
Role of the North Atlantic Subtropical High and Midlatitude Circulations in the Springtime Onset of Isolated Convection across the Southeastern United States
Thomas M. Rickenbach, East Carolina Univ., Greenville, NC; and R. Nieto Ferreira and C. Jarrett

Handout (16.7 MB)


Poster Session 5
Tropical Cyclones (Posters)
Location: Hall B (Boston Convention and Exhibition Center)
Host: Wayne Schubert Symposium
Chair: Chris Slocum, CIRA/Colorado State University
1024
Large-Scale Dynamics of Tropical Cyclone Formation Associated with ITCZ Breakdown
Chanh Kieu, Atmospheric Science Program, Bloomington, IN; and Q. Wang and T. A. Vu

1025
Barotropic Instability of Axisymmetric Double-Ring Vortices
Richard K. Taft, Colorado State Univ., Fort Collins, CO; and W. H. Schubert and C. J. Slocum

Handout (52.2 MB)

1026
Forced Shallow-Water Model for the Maximum Potential Intensification Rate of Tropical Cyclones
Eric A. Hendricks, NCAR, Boulder, CO; and J. L. Vigh

1027
On the Northward Ageostrophic Winds Associated with a Tropical Cyclone
Kazuo Saito, Japan Meteorological Business Support Center, Tokyo, Japan; MRI, Tsukuba, Japan; Atmosphere and Ocean Research Institute, Kashiwa, Japan

Handout (2.0 MB)

1028
Simulated Azimuthal Structure of the Hurricane Boundary Layer in Hurricanes Irma (2017) and Earl (2010) during Intensity Change
Kyle Ahern, Florida State Univ., Tallahassee, FL; COAPS, Tallahassee, FL; and M. A. Bourassa and R. E. Hart

Handout (2.5 MB)

1029
Characterizing the Nature and Evolution of Asymmetric Structures in Idealized Simulations of Rapidly Intensifying Tropical Cyclones
Jonathan Martinez, Colorado State Univ., Fort Collins, CO; and M. M. Bell

1030
Impact of the Ocean–Atmosphere Background State in the Tropical Cyclones Cold Wake Magnitude Variability
Mauricio Zapata, Sistema de Alerta Temprana del Valle de Aburrá (SIATA), Medellín, Colombia; Universidad Nacional de Colombia, Medellín, Medellín, Colombia; and C. D. Hoyos and Y. Cardona

1031
Sensitivity of Simulated Axisymmetric Tropical Cyclones to Numerical Implicit Diffusion
Raphael Rousseau-Rizzi, MIT, Cambridge, MA; and G. H. Bryan and K. Emanuel

1032
The Balanced Response to Latent Heating Profiles from H-GPROF
Kate D. Musgrave, CIRA/Colorado State Univ., Fort Collins, CO; and P. J. Brown and C. J. Slocum

1033
Understanding the Role of Eddy Vorticity Fluxes on Rapid Intensification of Hurricanes Irma and Michael
Alrick Green, San Jose State Univ., San Jose, CA; and S. Gopalakrishnan, S. Chiao, X. Zhang, and G. J. Alaka Jr.

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