A128
The Madden-Julian Oscillation and Convectively Coupled Equatorial Waves: Observations, Theory, and Modeling
Session ID#: 74511
Session Description:
The Madden-Julian Oscillation (MJO) and convectively coupled equatorial waves (CCEWs), including the easterly waves, play an active role in Earthâs hydrological cycle. Our understanding and modeling capability of the MJO and CCEWs still remain rather limited, however.
In this session, we invite presentations that highlight progress on observational, theoretical, and modeling studies of the MJO and CCEWs, including but not limited to:
- New observations of multi-scale convective organization and interactions among the MJO and CCEWs that provide critical insights into their key mechanisms;
- Seasonal, interannual, decadal, and future changes in MJO and CCEWs characteristics;
- Influences of the MJO and CCEWs on global weather and climate events, locally or remotely;
- Theoretical understanding of essential physics of the MJO and CCEWs;
- Process-oriented diagnostics for simulations of the MJO and CCEWs;
- Efforts towards improved representation of the MJO and CCEWs and their global impacts in climate models.
Index Terms:
1817 Extreme events [HYDROLOGY]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3337 Global climate models [ATMOSPHERIC PROCESSES]
3371 Tropical convection [ATMOSPHERIC PROCESSES]
Primary Convener: Xianan Jiang, University of California Los Angeles, Los Angeles, CA, United States
Conveners: Eric D Maloney, Colorado State University, Atmospheric Science, Fort Collins, CO, United States and Daehyun Kim, University of Washington Seattle Campus, Atmospheric Sciences, Seattle, WA, United States
Primary Liaison: Xianan Jiang, JIFRESSE/UCLA, Pasadena, CA, United States
The role of oceanic processes in the initiation of boreal winter intraseasonal oscillations over the Indian Ocean (492357)
Jason West, University of Colorado Boulder, Boulder, CO, United States, Weiqing Han, Univ of Colorado, Boulder, CO, United States, Lei Zhang, University of Colorado Boulder, Department of Atmospheric and Oceanic Sciences, Boulder, United States and Yuanlong Li, University of Colorado Boulder, Atmospheric and Oceanic Sciences, Boulder, CO, United States
Seasonal and zonal variations of the MJO impact on upper troposphere/lower stratosphere temperature and circulation (499696)
Luke Oman, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Olga Tweedy, Johns Hopkins University, Baltimore, MD, United States and Darryn Waugh, Johns Hopkins Univ, Baltimore, MD, United States
Influence of Madden-Julian Oscillation on Extreme Rainfall in Indonesia (502406)
Fadhlil Rizki Muhammad, Bogor Agricultural University, Bogor, Indonesia, Sandro W. Lubis, Rice University, Mechanical Engineering, Houston, TX, United States, Sonni Setiawan, Bogor Agricultural University, Geophysics and Meteorology, Bogor, Indonesia and Givo Alsepan, Hokkaido University, Department of Natural History Sciences, Sapporo, Japan
A Process-Based Examination of Madden-Julian Oscillation Behavior in the Navy Earth System Prediction Capability (503198)
Matthew Janiga, US Naval Research Laboratory, Monterey, CA, United States, Carolyn A. Reynolds, US Naval Research Laboratory, Marine Meteorology Division, Monterey, CA, United States and Marcela Ulate, University Corporation for Atmospheric Research, Boulder, CO, United States
Mean State Modulation of MJO Propagation: Role of Background Meridional Moisture Gradient (519617)
Daehyun Kang1, Daehyun Kim1 and Min-Seop Ahn2,3, (1)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, WA, United States, (2)University of Washington, Atmospheric Sciences, Seattle, United States, (3)Chonnam National University, Oceanography, Gwangju, South Korea
Eastward disturbances in the tropical Pacific: NH extratropical forcing and impacts on the shallow meridional circulation (523473)
Lidia Huaman, Texas A&M University College Station, College Station, TX, United States, Courtney Schumacher, Texas A&M Univ, College Station, TX, United States and George N Kiladis, NOAA Boulder, Boulder, CO, United States
Convectively Coupled Kelvin Waves Over Tropical South America Region (537854)
Victor Mayta, University of São Paulo, Department of Atmospheric Sciences, Sao Paulo, Brazil, George N Kiladis, NOAA Boulder, Boulder, CO, United States, Juliana Dias, PSD ESRL/NOAA, Boulder, CO, United States, Pedro Leite da Silva Dias, University of Sao Paulo, Atmospheric Science, Sao Paulo, Brazil and Tercio Ambrizzi, USP University of Sao Paulo, São Paulo, Brazil
The Role of Moisture in the Convective Coupling of Equatorial Waves (549176)
Brandon Wolding1, Juliana Dias2, George N Kiladis1, Eric D Maloney3 and Mark Branson4, (1)NOAA Boulder, Boulder, CO, United States, (2)PSD ESRL/NOAA, Boulder, CO, United States, (3)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (4)Colorado State University, Fort Collins, CO, United States
Climate Process Team: Improvement of ocean component of NOAA Climate Forecast System relevant to MJO simulations (551808)
Toshiaki Shinoda1, Joshua Xiouhua Fu2, Ren-Chieh Lien3, Suyang Pei1, Hyodae Seo4, Alexander Soloviev5 and Wanqiu Wang6, (1)Texas A&M University Corpus Christi, Corpus Christi, TX, United States, (2)University of Hawaii, Honolulu, HI, United States, (3)Univ Washington, Seattle, WA, United States, (4)WHOI, Woods Hole, MA, United States, (5)Nova Southeastern Univ, Dania Beach, FL, United States, (6)NOAA, College Park, MD, United States
Understanding improved representation of the Madden-Julian Oscillation in the coupled GFDL GCM (556909)
Xianan Jiang, University of California Los Angeles, Los Angeles, CA, United States, Ming Zhao, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States and Baoqiang Xiang, Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States
Dynamical Connections between the Quasi-Biennial Oscillation and the Madden-Julian Oscillation for Boreal winter by the stratospheric Kelvin Waves (565846)
Eun-Ji Song1, Kyong-Hwan Seo1,2 and Seok-Woo Son3, (1)Research Center for Climate Sciences, Pusan National University, Busan, South Korea, (2)Department of Atmospheric Sciences, Pusan National University, Busan, South Korea, (3)Seoul National University, Seoul, South Korea
MJO Convection and Eastward Propagation in MJOTG/GASS GCMs (569416)
Guiwan Chen, State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics (LASG), Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS), Beijing, China; University of Chinese Academy of Sciences, Chinese Academy of Sciences (CAS), Beijing, China and Shuyi Chen, University of Washington Seattle Campus, Atmospheric Sciences, Seattle, WA, United States
Examining the MJO-QBO Relationship in a GCM with a Nudged Stratosphere (585862)
Zane Martin1, Clara Orbe2, Shuguang Wang3 and Adam H Sobel3, (1)Columbia University of New York, Applied Physics and Applied Mathematics, New York, NY, United States, (2)NASA Goddard Institute for Space Studies, New York, NY, United States, (3)Columbia University, Department of Applied Physics and Applied Mathematics, New York, NY, United States
Observations and Impacts of Diurnal Warm Layers During the Pre-Onset MJO in the Tropical Indian Ocean (609404)
Kyle Frederick Itterly, Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, Jason Roberts, NASA-MSFC, Huntsville, AL, United States and Patrick C Taylor, NASA Langley Research Center, Hampton, VA, United States
MJO Simulation in CMIP6 Models: How much improvement has been made from CMIP5 to CMIP6? (610140)
Min-Seop Ahn1,2, Daehyun Kim3, Daehyun Kang4, Jiwoo Lee5, Kenneth R Sperber6 and Peter J Gleckler6, (1)University of Washington, Atmospheric Sciences, Seattle, United States, (2)Chonnam National University, Oceanography, Gwangju, South Korea, (3)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, WA, United States, (4)University of Washington Seattle, Seattle, WA, United States, (5)Lawrence Livermore National Laboratory, Livermore, United States, (6)Lawrence Livermore National Laboratory, Livermore, CA, United States
The erratic propagation of long Rossby waves and implications for tropical dynamics (621932)
Breno Raphaldini, University of Sao Paulo, Sao Paulo, United States, Victor Mayta, University of São Paulo, Department of Atmospheric Sciences, Sao Paulo, Brazil, Pedro Leite da Silva Dias, University of Sao Paulo, Atmospheric Science, Sao Paulo, Brazil, Andre Seiji Teruya, Institute of Astronomy, Geophysics and Atmospheric Sciences, Department of Atmospheric Sciences, Sao Paulo, Brazil, Lucas Massaroppe, IAG Institute of Astronomy, Geophysics and Atmospheric Sciences, Sao Paulo, Brazil and Everton Medeiros, USP University of Sao Paulo, São Paulo, Brazil
