A23O:
The Madden-Julian Oscillation: Observations, Theory, Modeling, and Prediction I

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Session ID#: 16325

Session Description:
While the Madden-Julian Oscillation (MJO) exerts pronounced influences on weather and climate worldwide, and serves as one of the primary predictability sources for extended-range forecasts, realistic representation of the MJO is still one of the grand challenges for climate and weather forecasting models. Meanwhile, no strong consensus exists on the fundamental physics of the MJO. To help assess recent progress on understanding MJO physics and build toward more reliable subseasonal forecasts and climate projections, this session invites presentations describing recent progress in various aspects of MJO study.  Contributed presentations may describe recent progress on new observations of important MJO processes through innovative use of available observations (satellites, field campaigns, etc), theoretical understanding of MJO physics, model development efforts towards improved MJO simulations and prediction, including process-oriented diagnostics of key model physics for the MJO, and studies that explore prediction skill and predictability of the MJO and associated extreme phenomena.
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, United States and Daehyun Kim, Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea
Chairs:  Eric D Maloney, Colorado State University, Atmospheric Science, Fort Collins, United States and Xianan Jiang, University of California Los Angeles, Los Angeles, CA, United States
OSPA Liaison:  Xianan Jiang, University of California Los Angeles, Los Angeles, CA, United States
Index Terms:

3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3337 Global climate models [ATMOSPHERIC PROCESSES]
3371 Tropical convection [ATMOSPHERIC PROCESSES]
3374 Tropical meteorology [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Is gross moist stability a useful quantity for studying the moisture mode theory? (Invited) (189797)
Dr. Kuniaki Inoue, NOAA/Geophysical Fluid Dynamics Laboratory (GFDL), Princeton, United States and Larissa E Back, University of Wisconsin Madison, Atmospheric and Ocean Sciences, Madison, WI, United States
A precipitation equation for the MJO. How does it differ from traditional moisture/moist static energy budget analysis? (178724)
Angel Adames-Corraliza, Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States
Relationships Between Radiation, Clouds, and Convection During DYNAMO (150053)
Paul E Ciesielski, Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States, Richard H Johnson, Colorado State Univ, Fort Collins, CO, United States and Xianan Jiang, NASA Jet Propulsion Laboratory, Pasadena, CA, United States
Why does the MJO detour the Maritime Continent during Austral summer? (154257)
Daehyun Kim, Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, Hyerim Kim, Ulsan National Institute for Science and Technology, School of Urban and Environmental Engineering, Ulsan, Korea, Republic of (South) and Myong-In Lee, Ulsan National Institute of Science and Technology, Urban and Environmental Engineering, Ulsan, Korea, Republic of (South)
Three Different Downstream Fates of the Boreal-Summer MJOs on Their Passages over the Maritime Continent (158546)
Joshua Xiouhua Fu1, Wanqiu Wang2, Toshiaki Shinoda3, Hong-Li Ren4 and Xiaolong Jia4, (1)University of Hawaii at Manoa, Honolulu, HI, United States, (2)NOAA College Park, Climate Prediction Center, College Park, MD, United States, (3)Texas A&M University, El Paso, El Paso, TX, United States, (4)CMA China Meteorological Administration, Beijing, China
Madden-Julian Oscillation: Western Pacific and Indian Ocean (142325)
Zeljka Fuchs, New Mexico Institute of Mining and Technology, Socorro, United States and David J Raymond, New Mexico Tech, Socorro, NM, United States
The effects of blocking in the subtropics on the phase speed of the MJO (128727)
Paul E. Roundy, University at Albany, State University of New York, Albany, NY, United States
Reinvestigation of the Intraseasonal Oscillation (40-50 day) signals revealed in early studies (124333)
Melinda Peng1, Tim Li2, Hung-Chi Kuo3 and Lu Wang2, (1)Naval Research Lab Monterey, Marine Meteorology, Monterey, CA, United States, (2)University of Hawaii at Manoa, Honolulu, HI, United States, (3)National Taiwan University, Taipei, Taiwan

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