20-24 May 2002, Kananaskis, Alberta, Canada

Agenda (updated 17 May)

REGISTRATION 16:00 - 18:00

DINNER 18:00 - 20:00

REGISTRATION 20:00 - 21:00

BREAKFAST 07:00 - 08:30

Preliminaries

08:00 - 09:00    REGISTRATION

09:00 - 09:24    Welcome and Overview of GCSS: Steve Krueger

SESSION 1 - Representations of clouds and radiation in GCMS

09:24 - 10:00
Author: Randall, David (invited)
Co-authors: Marat F. Khairoutdinov
Title: Cloud Parameterizations: Fast Forward to the Future

COFFEE SERVICE 10:00 - 10:30

10:30 - 11:06
Author: Barker, Howard (invited)
Title: Modelling radiative transfer for cloudy-skies within large-scale atmospheric models

11:06 - 12:00 Contributed talks of 18 minutes each:

Author: Räisänen, Petri
Co-authors: Barker, Howard, Isaac, George, Gultepe, Ismail
Title: Effects on solar radiative transfer for stratiform clouds due to horizontal variations in cloud liquid water and droplet effective radius

Author: Li, Jiangnan
Co-authors: Barker, H. W.
Title: Accounting for Unresolved Clouds in a 1D Infrared Radiative Transfer

Author: McFarquhar, Greg
Co-authors: Yang, Ping, Macke, Andreas, Baran, Anthony, Iacobellis, Sam, Somerville, Richard
Title: Development and evaluation of observationally-based parameterizations of microphysics and radiation for large-scale models

PRIVATE LUNCH BUFFET 12:00 - 13:00

13:00 - 13:36  Contributed talks of 18 minutes each:

Author: Bushell, Andrew
Co-authors: Wilson, Damian
Title: New cloud and condensate scheme developments in the Met Office (UK) Model.

Author: Hou, Yu-Tai
Co-authors: Moorthi, Shrinivas,  Campana, Kenneth,  Yang, Shi-Keng,  Pan, Hua-Lu,  Caplan, Peter,  White, Glenn,  Saha, Shranjana
Title: Evaluation of the performance of a new prognosticcloud/radiation package in NCEP's Global Forecast System (GFS)s

SESSION 2 - General observations of clouds and radiation

13:36 - 14:12
Author: Ackerman, Tom (invited)
Title: An Integrated Column Description of the Atmosphere

14:12 - 15:05 Contributed talks of 18 minutes each:

Author: Jakob, Christian
Co-authors: May, Peter T.
Title: A multi-year model evaluation data set at the ARM Tropical Western Pacific Sites

Author: Heck, Patrick W.
Co-authors: Patrick Minnis, David F. Young, and Anita Rapp
Title: Satellite-Derived Radiative and Microphysical Properties for ARM

Author: Potter, Gerald
Co-authors: Boyle, James, Hnilo, Justin, Phillips, Thomas, Fiorino, Michael
Title: Verifying Clouds and Radiation in a Climate Model using ARM Data

COFFEE SERVICE 15:05 - 15:30

15:30 - 16:06
Author: Isaac, George A. (invited)
Co-authors: Gultepe, Ismail, Cober, Stewart G., Korolev, Alexei V., Guan, Hong, Raisanen, Petri, Boudala, Faisal, Tremblay, Andre
Title: Using In-Situ Observations of Cloud Properties to Develop and Verify Parameterizations for Large-Scale Models

16:06 - 17:00  Contributed talks of 18 minutes each:

Author: Rossow, William B.
Title: Data Integration for Model Evaluation

Author: Weare, Bryan C.
Title: Comparisons of AMIP II Clouds with Global Observations

Author: Xu, Kuan-Man
Co-authors: Wielicki, B. A., Wong, T., Randall, D. A., Branson, M., Cheng, A., Eitzen, Z. A., Parker, L.
Title: A New Approach for Cloud Model Evaluation Based upon Ensemble Cloud-system Analysis of Satellite Data

DINNER 18:00 - 20:00

BREAKOUT SESSION 20:00 - 22:00

Modeling Clouds and Climate (MOC2): Phil Austin, Chair (invitation only)

BREAKFAST 07:00 - 08:30

SESSION 2 - General observations of clouds and radiation (cont.)

08:30 - 09:06
Author: Mace, Jay (invited)
Title: On the use of ARM data to characterize the physical state of the vertical column: approach and initial model comparison results

09:06 - 10:00 Contributed talks of 18 minutes each:

Author: May, Peter T.
Co-authors: Jakob, Christian
Title: The new ARM measurment site at Darwin - What's special about it?

Author: Sassen, Kenneth
Co-authors: Wang, Zhien
Title: Classifying Cloud Type Using Multiple Remote Sensors

Author: Austin, Philip
Co-authors: Lewis, Gregory
Title: Spatial Variability in Boundary Layer Clouds

COFFEE SERVICE 10:00 - 10:30

10:30 - 10:48
Author: Barker, Howard
Co-authors: Stevens, Dave
Title: Assessing the integrity of 3D cloud-resolving models using simulated and observed radiances

SESSION 3 - GCSS WG 1 (Boundary layer cloud systems)

10:48 - 11:24
Author: Bretherton, Christopher (invited)
Title: GCSS WG 1 Activities

11:24 - 12:00   Contributed talks of 18 minutes each:

Author: Siebesma, A. Pier
Co-authors: Jakob, Christan, Lenderink, Geert, Teixeira, Joao
Title: A EUROCS Intercomparison Study study for GCM's over the Eastern Pacific Ocean

Author: Chlond, Andreas
Co-authors: Mueller, Frank, Sednev, Igor
Title: Evaluation of ECHAM cloud parameterizations against Large-Eddy Simulation from EUROCS

PRIVATE LUNCH BUFFET 12:00 - 13:00

13:00 - 13:36
Author: Stevens, Bjorn (invited)
Title: Stratocumulus Entrainment, Drizzle, and Cloud-Climate Feedbacks

13:36 - 15:05  Contributed talks of 18 minutes each:

Author: Zhang, Yunyan
Co-authors: Stevens, Bjorn, Ghil, Michael
Title: Stochastic Stratocumulus

Author: Stevens, David
Title: Effects of domain size and numerical resolution on the simulation of shallow cumulus convection

Author: Cheng, Anning [presented by K.-M. Xu]
Co-authors: Xu, Kuan-Man
Title: Simulations of Four Boundary-layer Cloud Regimes with a Cloud-resolving Model

Author: Irons, Sarah
Co-authors: Grant, Alan
Title: The diurnal development of shallow cumulus

Author: Cotton, William R.
Co-authors: Golaz, Jean-Christophe
Title: A PDF-based closure model of the cloudy boundary layer developed using LES data acquired with GCSS case studies

COFFEE SERVICE 15:05 - 15:30

15:30 - 16:06
Author: Bretherton, Christopher (invited)
Co-authors: James McCaa, Herve Grenier
Title: New moist turbulence and shallow cumulus parameterizations in the MM5 and CCM

16:06 - 17:00  Contributed talks of 18 minutes each:

Author: Zhao, Ming
Co-authors: Austin, Philip
Title: Episodic Mixing and Buoyancy-Sorting Representation of Non-Precipitating Cumulus Clouds -- A Diagnostic Study

Author: Köhler, Martin
Co-authors: Siebesma, Pier, Tompkins, Adrian
Title: Towards an advection-diffusion parameterization of cloud-topped PBL and shallow cumulus

Author: von Salzen, Knut
Co-authors: McFarlane, Norman
Title: Effects of Shallow Convection on Cloud Amounts and Radiative Fluxes in the CCCma AGCM

DINNER 18:00 - 20:00

BREAKOUT SESSIONS 20:00 - 22:00

GCSS WG 2 (Cirrus cloud systems): David Starr, Chair

Making Connections Between  Data and Climate Models: David Randall, Chair

BREAKFAST 07:00 - 08:30

SESSION 4 - GCSS WG2 (Cirrus cloud systems)

08:30 - 08:48
Author: Starr, David (invited)
Title: GCSS WG 2 Activities

08:48 - 10:00 Contributed talks of 18 minutes each:

Author: Brown, Philip
Co-authors: Starr, David
Title: Microphysical Impacts on Idealized Cloud-Resolving Simulations of Cirrus.

Author: Lin, R.-F.
Co-authors: Starr, D. O'C., DeMott, P. J., Cotton, R., Jensen, E., K{a}"rcher, B., Liu, X.
Title: Cirrus Parcel Model Comparison Project: Phase 2.

Author: Luo, Yali
Co-authors: Krueger, S. K., Moorthi, S., and Pan, H.-L
Title: Evaluation of cirrus properties simulated by a single-column model using cloud radar observations and results from a cloud-resolving model simulation

Author: Yagai, Isamu
Title: Cloud water - convection - radiation feedback processes appeared in a AGCM

COFFEE SERVICE 10:00 - 10:30

10:30 - 11:06
Author: Heymsfield, Andrew (invited)
Title: Comparison of midlatitude and tropical ice cloud microphysical properties and parameterizations

11:06 - 12:00   Contributed talks of 18 minutes each:

Author: Lohmann, Ulrike
Co-authors: Kaercher, Bernd
Title: First Interactive Simulations of Cirrus Clouds Formed by Homogeneous Freezing in the ECHAM GCM

Author: Sassen, Kenneth
Co-authors: Arnott, W. Patrick,  Starr, David OíC.,  Mace, Gerold G.,  Wang, Z,  Poellot, Michael R.
Title: Genesis of Midlatitude Cirrus Clouds Derived from Hurricane Nora: A Case Study

Author: Wilson, Damian
Title: Mesoscale Modelling of Cirrus Cloud from the Hurricane Nora Remnant

PRIVATE LUNCH BUFFET    12:00 - 13:00

SESSION 5 - GCSS WG3 (Extratropical layer cloud systems)

13:00 - 13:18
Author: Tselioudis, George (invited)
Title: GCSS WG 3 Activities

13:18 - 14:30  Contributed talks of 18 minutes each:

Author: Tselioudis, George
Co-authors: Jakob, Christian
Title: Evaluation of midlatitude cloud properties in a weather and a climate model

Author: Nakamura, Kozo
Co-authors: Fujiyoshi, Yasushi
Title: Preliminary results of the analysis and numerical simulation of some disturbances observed during WMO-01

Author: Meinke, Insa
Co-authors: Rockel, Burkhardt, Raschke, Ehrhard
Title: On the Validation of the Cloud Parametrization Scheme in the Regional Atmospheric Model HRM using ISCCP-DX Data

Author: Katzfey, Jack
Title: Developing a sub-grid-scale layer-cloud parameterization: Concept testing

COFFEE SERVICE 14:30 - 15:00

15:00 - 17:00  Informal discussions at locations of your choice

DINNER On your own

BREAKFAST 07:00 - 08:30

SESSION 6 - GCSS WG 4 (Precipitating convective cloud systems)

08:30 - 08:48
Author: Grabowski, Wojciech (invited)
Title: GCSS WG 4 Activities

Contributed talks of 18 minutes each:  08:48 - 10:00

Author: Nesbitt, Stephen W.  [presented by S. Krueger]
Title: The diurnal cycle of rainfall and convective intensity according to three years of TRMM measurements

Author: Jakob, Christian
Co-authors: Betts, Alan K.
Title: The diurnal cycle of convection over Amazonia in the ECMWF model

Author: Guichard, Francoise
Co-authors: Petch, John, Chaboureau, Jean-Pierre, Redelsperger, Jean-Luc, Beau, Isabelle, Grenier, Herve, Jakob, Christian, Jones, Colin, Lafore, Jean-Philippe, Tailleux, Remi
Title: The diurnal cycle of deep convection over land: contribution from EUROCS

Author: Grabowski, Wojciech
Title: Daytime convective development over land: a proposal for joint WG1 and WG4 case based on TRMM/LBA observations.

COFFEE SERVICE 10:00 - 10:30

Contributed talks of 18 minutes each:  10:30 - 12:00

Author: Petch, Jon
Co-authors: Guichard, Francoise
Title: An ensemble of CRM simulations of deep convection using the EUROCS case

Author: Khairoutdinov, Marat
Co-authors: Randall, David
Title: Statistics of shallow and deep convection as revealed by a three-dimensional cloud resolving model

Author: Eitzen, Zachary A.
Co-authors: Xu, Kuan-Man, Wielicki, Bruce A.
Title: A Preliminary Comparison of CRM Simulations of Tropical Cloud Systems and Satellite Observations

Author: Donner, Leo
Title: The Impact of Deep Convection on the Madden-Julian Oscillation and the Structure of the Inter-tropical Convergence Zone in a General Circulation Model

Author: Wu, Xiaoqing
Title: Impact of CRM-Validated Physical Parameterization on Climate Simulations

PRIVATE LUNCH BUFFET 12:00 - 13:00

13:00 - 13:36
Author: Del Genio, Anthony (invited)
Title: Observational constraints on modeling of convective and cirrus clouds
Co-Author: Jensen, M. P.

13:36 - 15:05  Contributed talks of 18 minutes each:

Author: Pincus, Robert
Co-authors: Klein, Stephen A., Hannay, Cecile, Xu, Kuan-Man
Title: Using cloud resolving models to help develop cloud parameterizations

Author: Klein, Stephen
Co-authors: Pincus, Robert, Xu, Kuan-man
Title: How might a statistical cloud scheme be coupled to a mass flux convection scheme?

Author: Sud, Yogesh C.
Co-authors: Walker, Gregory K.
Title: New Concepts for Refinement of Cumulus Parameterization in GCMs using the Arakawa-Schubert Framework

Author: Grabowski, Wojciech
Title: MJO-like coherent structures in idealized aquaplanet simulations

Author: Jakob, Christian
Co-authors: Siebesma, Pier
Title: Decision making in a bulk mass-flux convection parametrization - Influence on triggering, updraught properties and model climate

COFFEE SERVICE 15:05 - 15:30

SESSION 7 - GCSS WG 5 (Polar cloud systems)

15:30 - 15:48
Author: Curry, Judith (invited)
Title: GCSS WG 5 Activities

15:48 - 17:00  Contributed talks of 18 minutes each:

Author: Curry, Judith
Co-authors: Lynch, Amanda
Title: Arctic Regional Climate Model Intercomparison Project

Author: Lane, Dana
Co-authors: Pinto, James, Curry, Judy
Title: Evaluation of AGCM Radiation Parameterizations in the Arctic

Author: Girard, Eric
Co-authors: Dubois, Yves
Title: Effect of aerosol microphysical properties on wintertime low cloud formation in the Arctic

Author: Morrison, Hugh
Co-authors: Pinto, James, Curry, Judy
Title: A new approach for obtaining advection profiles: Application to SHEBA single-column modeling studies

DINNER 18:00 - 20:00

BREAKOUT SESSIONS 20:00 - 22:00

GCSS WG3 (Extratropical layer cloud systems): George Tselioudis, Chair

GCSS WG 4 (Precipitating convective cloud systems):  Wojciech Grabowski, Chair

BREAKFAST 07:00 - 08:30

SESSION 8 - All WG session on Modeling Cloud Microphysics, Chemistry, Aerosols, and Radiation

08:30 - 10:00  Contributed talks of 18 minutes each:

Author: Prather, Michael
Co-authors: Lee, Jung-Wook, Pak, Bernard, Hsu, Juno
Title: How can we simulate trace-gas scavenging by cloud systems in global chemistry-transport models with 200 km resolution?

Author: Penner, Joyce
Co-authors: Herzog, Michael, Liu, Xiaohong, Guo, Huan
Title: Modeling of Boundary Layer Clouds in ACE-2

Author: Menon, Surabi
Co-authors: Ghan, Steven, Del Genio, Anthony, Penner, Joyce, Liu, Xiaohong
Title: Evaluating Aerosol-Cloud Interactions by means of a Single Column Model and ACE-2 Cloudy Column Observations

Author: Zhang, Yang [presented by S. Ghan]
Co-authors: R.C. Easter, S. J. Ghan, and H. Abdul-Razzak
Title: Impact of aerosol size representation on modeling aerosol-cloud interactions

Author: Gultepe, Ismail
Co-authors: Isaac, George
Title: Parameterization of droplet number concentration for large-scale modeling studies

COFFEE SERVICE 10:00 - 10:30

10:30 - 11:06  Contributed talks of 18 minutes each:

Author: Cole, Jason
Co-authors: Khairoutdinov, Marat,  Barker, Howard,  Randall, David,  Clothiaux, Eugene
Title: Effect of horizontal resolution of radiative transfer calculations on a simulation of continental convection

Author: Evans, Wayne
Co-authors: Puckrin, Eldon
Title: The absorption of NIR solar radiation by drizzle in clouds

SESSION 9 - Looking to the Future

11:06 - 11:42
Breakout Session Chairs: Reports

11:42 - 12:00
Organizers: Closing Discussion

PRIVATE LUNCH BUFFET 12:00 - 13:00

GCSS Science Steering Group meeting (by invitation)

SSG MEETING 13:00 - 17:00

COFFEE SERVICE 15:00 - 15:30

ADJOURN 17:00