Session 2B: How and why has the tropical width changed in the past?

Wednesday, July 29, 2015: 8:30 AM-12:00 PM
Primary Convener:  Lorenzo M Polvani, Columbia University, New York, NY, United States
8:30 AM
The contribution of ENSO variability to the recent expansion of the tropical belt (37485)
Joy Monteiro1, John Michael Wallace2, Jai Sukhatme1 and Raghuram G Murtugudde3, (1)Indian Institute of Science, Centre for Atmospheric and Oceanic Sciences, Bangalore, India, (2)University of Washington, Seattle, WA, United States, (3)University of Maryland College Park, 3. Earth System Science Interdisciplinary Center (ESSIC), College Park, MD, United States
8:50 AM
Regional Characteristics of Tropical Expansion and the Role of Climate Variability (37482)
Christopher Lucas and Hanh Nguyen, Bureau of Meteorology, Melbourne, Australia
9:10 AM
Expansion of the Tropical Belts and Poleward Migration of the Storm Tracks Shown by Variations in Surface-Observed Cloud Cover (37510)
Ryan M Eastman, University of Washington, Seattle, WA, United States and Stephen G Warren, Univ Washington, Seattle, WA, United States
9:30 AM
Expansion of Hadley Cell in Climate Change Scenario: A Study Using Reanalysis And Global Radiosonde Observations (37465)
Sneha Susan Mathew, Kishore K Kumar and Kandula Venkata Subrahmanyam, Space Physics Laboratory, Vikram Sarabhai Space Centre, Thiruvananthapuram,Kerala, India
9:50 AM
Break
10:10 AM
Climatology and Variability of UTLS Jets in Reanalyses: A Three-Dimensional Perspective of Changes in Upper Tropospheric Jet and Tropopause Characteristics (37305)
Gloria L Manney1,2, Michaela Imelda Hegglin3, Zachary D Lawrence2, Michelle L Santee4, Michael J Schwartz4, Luis F Millan Valle4, Mark A Olsen5 and Steven Pawson6, (1)NorthWest Research Associates, Inc, Socorro, NM, United States, (2)New Mexico Tech, Socorro, NM, United States, (3)Unversity of Reading, Reading, United Kingdom, (4)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (5)NASA GSFC/MSU GESTAR, Greenbelt, MD, United States, (6)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, MD, United States
10:30 AM
The Role of Anthropogenic Aerosol in Tropical Expansion (37430)
Laura Wilcox1, Keith P Shine1, Brian John Hoskins1, Lorenzo M Polvani2 and Eleanor Highwood1, (1)Univ Reading, Reading, United Kingdom, (2)Columbia University, New York, NY, United States
10:50 AM
Discussion
 
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