A31H:
The Madden-Julian Oscillation: Observations, Theory, Modeling, and Prediction III Posters

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Session ID#: 12364

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:  Daehyun Kim, Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, 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:

The Impact of the Diurnal Cycle of Clouds and Precipitation over the Maritime Continent on the Propagation of the MJO into the Western Pacific (119211)
Casey D. Burleyson1, Samson M Hagos2 and Zhe Feng2, (1)Pacific Northwest National Laboratory, Richland, WA, United States, (2)Joint Global Change Research Institute, College Park, MD, United States
Oceanic Impetus for MJO Convective Onset in the Western Indian Ocean (119443)
Adam Rydbeck and Tommy G Jensen, Naval Research Laboratory, Stennis Space Center, MS, United States
Study on The Extended Range Weather Forecast of Low Frequency Signal Based on Period Analysis Method (120148)
Xu Li, LZU Lanzhou University, Lanzhou, China
Evaluation of MJO Predictive Skill in Multi-Physics and Multi-Model Global Ensembles (125267)
Benjamin Green, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, Shan Sun, NOAA Global Systems Laboratory, Boulder, United States, Stan Benjamin, Cooperative Institute for Research in Environmental Sciences, University of Colorado, NOAA Global Systems Laboratory, Boulder, United States and Georg A Grell, NOAA Global Systems Laboratory, Boulder, CO, United States
A Multiscale Model for the Intraseasonal Impact of the Diurnal Cycle over the Maritime Continent on the Madden–Julian Oscillation (127267)
Qiu Yang, New York University, Center for Atmosphere Ocean Science, Courant Institute of Mathematical Sciences, New York, United States and Andrew Majda, New York University, New York, NY, United States
Investigating the impact of diurnal cycle of SST on the intraseasonal and climate variability (128219)
Wan-Ling Tseng1, Huang-Hsiung Hsu1, Chiung-wen J Chang2, Noel S Keenlyside3, Yung-Yao Lan4, Ben-Jei Tsuang5 and Chia-Ying Tu4, (1)Academia Sinica, Taipei, Taiwan, (2)Chinese Culture University, Taipei, Taiwan, (3)Geophysical Institute Bergen, Bergen, Norway, (4)Research Center for Environmental Changes Academia Sinica, Taipei, Taiwan, (5)National Chung Hsing University, Environmental Engineering, Taichung, Taiwan
Oceanic Surface Mixed Layer Heat and Salinity Budgets in the Central Equatorial Indian Ocean (131372)
Nan-hsun Chi, Applied Physics Laboratory University of Washington, Seattle, WA, United States and Ren-Chieh Lien, Applied Physics Laboratory, Seattle, United States
Tropical Cyclone Sensitivity during the late November 2011 Madden Julian Oscillation (131932)
Carolyn A. Reynolds, U.S. Naval Research Laboratory, Marine Meteorology Division, Monterey, United States, James D Doyle, U.S. Naval Research Laboratory, Monterey, United States and Xiaodong Hong, Naval Research Lab Monterey, Marine Meteorology, Monterey, CA, United States
Low-level Cooling is Important to MJO Simulation in CAM5 (132565)
Guyu Cao, Tsinghua University, Beijing, China and Guangjun Zhang, Scripps Institution of Oceanography, La Jolla, CA, United States
Sensitivity of MJO Eastward Propagation to Convective Parameterizations (196736)
Young Min Yang, University of Hawaii at Manoa, Honolulu, HI, United States; Nanjing University of Information Science & Technology, Key Laboratory of Meteorological Disaster, Ministry of Education/ International Joint Research Laboratory on Climate and Environment Change /Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, JiangSu, China and Bin Wang, University of Hawaii, Department of Atmospheric Sciences and International Pacific Research Center, Honolulu, United States
Improvements of the Eastward Propagation of the MJO in MIROC6 (153433)
Nagio Hirota, NIES National Institute for Environmental Studies, Tsukuba, Japan, Tomoo Ogura, NIES National Institute of Environmental Studies, Ibaraki, Japan, Hideo Shiogama, National Institute for Environmental Studies (NIES), Center for Global Environmental Research, Tsukuba, Japan, Masahide Kimoto, University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan, Masahiro Watanabe, University of Tokyo, Atmosphere and Ocean Research Institute, Bunkyo-ku, Japan and Hiroaki Tatebe, JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan
Moisture Mode Processes and MJO Predictability in Coupled NAVGEM/HYCOM Hindcasts (143017)
Matthew Janiga1, James A Ridout1, Maria K. Flatau1, Neil P Barton2 and Carolyn A. Reynolds3, (1)US Naval Research Laboratory, Marine Meteorology Division, Monterey, CA, United States, (2)Naval Research Laboratory, Monterey, CA, United States, (3)U.S. Naval Research Laboratory, Marine Meteorology Division, Monterey, United States
Large-Scale and Convective Characteristics of the ITCZ and MJO Initiation Over the Indian Ocean (148084)
Rachel Colleen Sodowsky, University of Miami, Miami, FL, United States and Chidong Zhang, Univ Miami-RSMAS/MPO, Miami, United States
Description of and Explanation for Circumnavigating MJO Propagation Speeds (136827)
Scott W Powell, Colorado State University, Atmospheric Science, Fort Collins, CO, United States
MJO signal over islands: insights from idealized cloud-resolving simulations of the response of the atmosphere around an island to changes in large-scale circulation  (144597)
Gilles Bellon, University of Auckland, Department of Physics, Auckland, New Zealand
Diurnal and MJO-scale variations in rain-rate in the Maritime Continent: Modelled and observed (169452)
Claire Vincent, The University of Melbourne, School of Geography, Earth and Atmospheric Sciences and ARC Centre of Excellence for Climate Extremes, Melbourne, VIC, Australia, Todd P Lane, The University of Melbourne, School of Earth Sciences and ARC Centre of Excellence for Climate Extremes, Parkville, VIC, Australia and Martin Jucker, University of Melbourne, Parkville, VIC, Australia
Seasonality of the Tropical Intraseasonal Oscillations: Sensitivity to Mean Background State (178315)
Bohar Singh and James L Kinter, George Mason University Fairfax, Fairfax, VA, United States
Weekly Oscillation of Daily Climatology of Air Temperature: Implication for Anthropogenic Attribution (171999)
Shaojing Jiang, BNU Beijing Normal University, Beijing, China and Kaicun Wang, Beijing Normal University, Beijing, China

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