A54A:
Atmospheric Circulation and Hydrological Cycle under a Changing Climate: Monsoons, Storm Tracks, and the ITCZ III

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Session ID#: 16414

Session Description:
Despite recent progress in understanding the atmospheric circulation and hydrologic cycle response to global warming, our confidence in regional climate projections from state-of-the-art climate models remains poor due to the lack of understanding of the zonally asymmetric aspects of the global circulation. Improved understanding of regional climate change projections requires a combination of theory, novel diagnostic frameworks, hierarchical modeling, and comparison with observations, especially on the coupling between atmospheric circulations and moisture at a wide range of spatial and temporal scales.

We welcome contributions covering theoretical, idealized and comprehensive modeling, as well as diagnostic frameworks and metrics for understanding the atmospheric circulation and its response to climate change.  Contributions including, but not limited to, monsoons, storm tracks, the ITCZ, stationary waves, blocking, and atmospheric rivers are highly encouraged.

Primary Convener:  Patrick Martineau, Cornell University, Ithaca, NY, United States
Conveners:  Isla Simpson, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, CO, United States, Bryce E Harrop, Pacific Northwest National Laboratory, Richland, WA, United States and Summer Kate Praetorius, Carnegie Institution for Science Stanford, Stanford, CA, United States
Chairs:  Bryce E Harrop, Pacific Northwest National Laboratory, Richland, WA, United States, Isla Simpson, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, CO, United States and Summer Kate Praetorius, Carnegie Institution for Science Stanford, Stanford, CA, United States
OSPA Liaison:  Isla Simpson, National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, CO, United States
Index Terms:

1620 Climate dynamics [GLOBAL CHANGE]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3319 General circulation [ATMOSPHERIC PROCESSES]
3354 Precipitation [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Similarity and disparity in regional climate response between greenhouse gas and aerosol forcing (Invited) (125828)
Shang-Ping Xie, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States and HAI WANG, Scripps Institution of Oceanography, La Jolla, CA, United States
How and why does the spatial pattern of sea surface warming affect the magnitude of cloud feedback? (152417)
Chen Zhou1, Mark D Zelinka2 and Stephen A Klein1, (1)Lawrence Livermore National Laboratory, Livermore, CA, United States, (2)Lawrence Livermore National Laboratory, Livermore, United States
Understanding the Dependence of Radiative Feedbacks and Clouds on the Spatial Structure of Ocean Heat Uptake (195038)
Lance Rayborn, University at Albany State University of New York, Albany, NY, United States and Brian E J Rose, University at Albany State University of New York, Department of Atmospheric & Environmental Sciences, Albany, NY, United States
The dynamical and thermodynamical impact of SST warming and CO2 increase on the North American Monsoon (148521)
Salvatore Pascale1, Simona Bordoni2, Sarah B Kapnick3, Gabriel Vecchi4, Hiroyuki Murakami5, Wei Zhang3 and Thomas L Delworth6, (1)California Institute of Technology, Pasadena, CA, United States, (2)University of Trento, Trento, Italy, (3)Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States, (4)Princeton University, Department of Geosciences and at the Princeton Environmental Institute, Princeton, NJ, United States, (5)NOAA/Geophysical Fluid Dynamics Laboratory, Princeton, United States, (6)GFDL/NOAA, Princeton, NJ, United States
Midlatitude influence on the Arctic via moist intrusions in reanalysis and CMIP5 models (Invited) (126002)
Rodrigo Caballero, Cian Woods and Gunilla Svensson, Stockholm University, Department of Meteorology, Stockholm, Sweden
Mechanisms controlling the spatial structure of midlatitude storm tracks and their variation under global warming (186867)
Yohai Kaspi, Weizmann Institute of Science, Earth and Planetary Sciences, Rehovot, Israel and Talia Brodsky, Weizmann Institute of Science, Rehovot, Israel
Jetstream Influences on Landfalling Atmospheric Rivers in the Mid-latitudes (151410)
Christine A Shields, National Center for Atmospheric Research, Boulder, CO, United States and Jeffrey Theodore Kiehl, UC Santa Cruz, Department of Earth & Planetary Sciences, Santa Cruz, CA, United States
A Lagrangian Perspective on Aerial Hydrologic Cycle Changes in a Warmer World (168731)
Hansi Alice Singh, University of Washington Seattle Campus, Seattle, United States, Cecilia M Bitz, University of Washington, Atmospheric and Climate Science, Seattle, United States, Aaron Donohoe, Applied Physics Laboratory, University of Washington, Seattle, WA, United States, Jesse M Nusbaumer, National Center for Atmospheric Research, Boulder, United States and David Noone, Oregon State University, Corvallis, OR, United States

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