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  • Air–Sea Interactions from the Diurnal to the Intraseasonal during the PISTON, MISOBOB, and CAMP2Ex Observational Campaigns in the Tropics x
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Adam H. Sobel, Janet Sprintall, Eric D. Maloney, Zane K. Martin, Shuguang Wang, Simon P. de Szoeke, Benjamin C. Trabing, and Steven A. Rutledge

region, and understanding what processes control these variations is relevant to regional and large-scale climate variability, natural hazards, and local resource management. The goal of the Propagation of Intraseasonal Tropical Oscillations (PISTON) project was to better understand the mechanisms that modulate atmospheric convection on multiple scales. Key issues that PISTON aimed to address included how heat is stored and released in the upper ocean on intraseasonal time scales, how that heat

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Kyle Chudler and Steven A. Rutledge

growth also appears to be insignificant for the PISTON waves. This leaves diabatic heating as the remaining possible energy source, wherein the latent heat release and rising air within convection leads to generation of eddy kinetic energy. This is further supported by the fact that area-mean rain-rate anomalies maximize in the trough and southerly phases (not shown), which matches the location of positive temperature anomalies in Fig. 16c . Additionally, P03 found that at low levels, warming

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Wei-Ting Chen, Shih-Pei Hsu, Yuan-Huai Tsai, and Chung-Hsiung Sui

1. Introduction The South China Sea (SCS) and Maritime Continent (MC) regions are located at the center of the Indo-Pacific warm pool. This region is at the heart of the rising branch of both the Hadley circulation and Walker circulation and is also the critical pathway of the Asian–Australian monsoon system ( Chang et al. 2005 ). Convection over MC provides the heat source for driving the extratropical circulation ( Ramage 1968 ; Neale and Slingo 2003 ), and through teleconnections it can

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Wei-Ting Chen, Chien-Ming Wu, and Hsi-Yen Ma

bulk properties of tropical cloud clusters from large-scale heat and moisture budgets . J. Atmos. Sci. , 30 , 611 – 627 , https://doi.org/10.1175/1520-0469(1973)030<0611:DOBPOT>2.0.CO;2 . 10.1175/1520-0469(1973)030<0611:DOBPOT>2.0.CO;2 Yokoi , S. , S. Mori , M. Katsumata , B. Geng , K. Yasunaga , F. Syamsudin , Nurhayati , and K. Yoneyama , 2017 : Diurnal cycle of precipitation observed in the western coastal area of Sumatra Island: Offshore preconditioning by gravity

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