AGENDA

WG4 meeting in Broomfield, October 28-30, 2003.

 

Tuesday, October 28

    9:00 - 10:00 Stephen Nesbitt (CSU)

"The Diurnal Cycle of Rainfall and Convective Intensity over Tropical Continents: A Global Perspective from TRMM and a Regional Perspective from TRMM-LBA"

  10:00 - 10:30 COFFEE BREAK

  10:30 - 11:00 Steve Krueger (University of Utah)

"The diurnal cycle: a theme for GEWEX Modeling and Prediction Panel (GMPP)"

  11:00 - 11:20 Steve Lang (NASA Goddard)

"GCE modeling results for the Feb 23 LBA case"

  11:30 - 11:50 Christian Jakob (BMRC, Australia)

"Objective determination of Tropical Western Pacific cloud regimes and the characterization of their cloud and radiative properties using ARM data"

  12:00 -   1:30 LUNCH (on your own)

    1:30 -   3:00 Wojtek Grabowski (NCAR) and entire WG4

Introduction to the LBA case, set of benchmark simulations, and results submitted; discussion

    3:00 -   3:30 COFFEE BREAK

    3:30 -   3:50 Christian Jakob (BMRC, Australia)

"A major Australian Monsoon experiment in Darwin 2006 - Status and Plans"

    4:00 -   4:20 Francoise Guichard (Meteo France)

"New CRM diagnostics dedicated to convective parameterization" (alternately, a PDF file is available)

    4:30 -   4:50 Tomoe Nasuno (Frontier Research System for Global Change, Japan)

"Impact of vertical resolution on the development of clouds"

    5:00 -   5:30 wrap-up discussion for the day

 

Wednesday, October 29

    9:00 -   9:30 Jim Hack (NCAR)

Title TBD

    9:30 - 10:00 Brian Mapes (CDC NOAA)

"Parameterizing convection using successive entraining plumes"

  10:00 - 10:30 COFFEE BREAK

  10:30 - 10:50 Leo Donner (GFDL)

"Convective Vertical Velocities and Microphysics: Contrasts between 2D and 3D CSRMs"

  11:00 - 11:20 Yali Luo (University of Utah)

"Evaluation of Detrainment and Microphysics Parameterizations in the NCEP GFS Single-Column Model Using Results from a CRM"

  11:30 - 11:50 Xiaoqing Wu (ISU)

"Effects of Subgrid Cloud-Radiation Interaction Identified from Simulations of ARM Cloud Systems"

  12:00 -   1:30 LUNCH (on your own)

Joint meeting of WG1 and WG4

    1:30 -   2:00 Chris Bretherton (U. of Washington)

"Transition from shallow to deep convection - perspectives from LES and parameterization of cumulus-topped boundary layers"

    2:00 -   2:30 Francoise Guichard (Meteo France)

"Modeling the diurnal cycle of deep precipitating convection over land with CRMs and SCMs (EUROCS diurnal cycle case)" (alternately, a PDF file is available)

    2:30 -   2:45 Jon Petch (UK Met Office)

"CRM simulations of the development of convection: some sensitivities"

    2:45 -   3:00 Anning Cheng (NASA Langley)

"A new third-order closure model for modeling the boundary layer (and how it impacts the coupling between shallow and deep convection)"

    3:00 -   3:30 COFFEE BREAK

    3:30 -   3:45 Wojtek Grabowski (NCAR)

"Brief summary of GCSS WG4 LBA case"

    3:45 -   5:30            WG1/WG4 discussion on the role of BL processes and shallow convection in the diurnal cycle, modeling of daytime convective development over land with cloud-system-resolving models and single-column models, etc

 

Thursday, October 30

    9:00 - 10:00 Chris Davis (NCAR)

"Characteristics, Prediction and Predictability of Warm Season Rainfall over North America"

  10:00 - 10:30 COFFEE BREAK

  10:30 - 10:50 Changhai Liu (NCAR)

"Numerical simulations of warm season precipitation over North America"

  11:00 - 11:20 Hsiao-Ming Hsu (NCAR)

"Temporal Variability of Warm Season Rainfall over North America"

  11:30 - 11:50 Steve Krueger (University of Utah)

"The life cycle of convectively generated stratiform clouds"

  12:00 -   1:30 LUNCH (on your own)

    1:30 -   2:15  Marat Khairoutdinov (CSU)

"Multiscale modeling of the climate system at CSU"

    2:15 -   2:35 Michal Ziemianski (NCAR)

"Cloud-resolving convection parameterization in the Community Climate System Model"

    2:40 -   2:55 Wojtek Grabowski (NCAR)

"Moisture-convection feedback in the tropics"

    3:00 -   3:30 COFFEE BREAK

    3:30 -   3:50 David Lawrence (CGAM, University of Reading)

"Land-Atmosphere Coupling Strength in HadAM3"

    4:00 -   4:30   Andy Heymsfield (NCAR) and entire WG4

Discussion on observations regarding ice initiation in clouds required to develp better cloud models

    4:30 -   5:30            Closing discussion: status of case 2 paper, plans for the LBA case paper, extension of the LBA case into diurnal cycle case with land-surface model and interactive radiation, other issues, wrap-up discussion, etc.