AGENDA: Break out sessions of :

POLAR CLOUD WORKING GROUP

Monday: June 2

14:00 – 18:00 Polar Cloud Working Group Breakout Session I

Chair: Hugh Morrisson and J. Pinto

Venue: Room 2

· 14:00 – 14:05

H. Morrison and J. Pinto, co-chairs

Opening remarks

· 14:05 – 14:35

S. Ghan and Coauthors (presented by M. Dubey)

Indirect and Semi-Direct Aerosol Campaign (ISDAC): The influence of Arctic aerosol on clouds

· 14:35 – 14:55

P. Zuidema, P. Lawson, B. Baker, B. Pilson, and Q. Mo

Observations of summertime convective clouds in the Arctic from SHEBA

· 14:55 – 15:15

J. Remillard and P. Kollias

Cloud climatology and microphysics at Eureka using synergistic measurements from a cloud radar and a cloud-aerosol lidar.

· 15:15 – 15:35

J. Kay, A. Gettelman, K. Reader, T. L'ecuyer, and G. Stephens

Arctic cloud, circulation, and sea ice during 2007 and beyond

· 15:15 – 15:35

J. Kay, A. Gettelman, K. Reader, T. L'ecuyer, and G. Stephens

Arctic cloud, circulation, and sea ice during 2007 and beyond

· 15:35 – 15:45

Discussion

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15:45 – 16:15 COFFEE AND TEA

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· 16:15 – 16:35

T. Garrett, M. Maestas, and C. Zhao

The role of radiative-dynamic feedbacks in amplifying surface warming by Arctic stratus in polluted conditions

· 16:35 – 16:55

A. Fridlind and A. Ackerman

Low-level Arctic mixed-phase clouds: Ice formation under polluted and pristine conditions

· 16:55 – 17:15

G. de Boer, T. Hashino, G. Tripoli, and E. Eloranta

A possible role for immersion freezing in mixed-phase stratus clouds

· 17:15 – 17:35

D. Veron and N. Barton

Development of a mixed-phsae cloud-radiation parameterization using SHEBA data

· 17:35 – 18:00

Discussion

Wednesday June 4

14:00 – 17:00 Polar Cloud Working Group Breakout Session I

Chair: Hugh Morrisson

Venue: Room 2

· 14:00 – 14:20

D. Spangenburg, P. Minnis, and S. Sun-Mack

Cloud property retrievals over the Arctic from the A-Train satellites Aqua, Cloudsat, and Calipso

· 14:20 – 14:40

Steve Klein and Coauthors

Intercomparison of model simulations of mixed-phase clouds during MPACE, Part 1: Single-layer cloud

· 14:40 – 15:00

Steve Klein and Coauthors

Intercomparison of model simulations of mixed-phase clouds during MPACE, Part 1: Single-layer cloud

· 15:00 – 15:20

Y. Luo, K.-M. Xu, H. Morrison, G. McFarquhar, Z. Wang, and G. Zhang

Multi-layer mixed-phase clouds simulated by a cloud-resolving model: Comparison with ARM observations and sensitivity experiments.

· 15:20 – 15:40

A. Solomon, O. Persson, M. Shupe, H. Morrison, and J.-W. Bao

Mesoscale simulations of polar clouds during M-PACE

· 15:40 – 15:45

Discussion

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15:45 – 16:00 COFFEE AND TEA

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· 16:00 – 16:15

H. Morrison

SHEBA springtime mixed-phase model intercomparison case

· 16:15 – 17:00

General discussion (topics TBA)