North Pacific storm track response to the mesoscale SST in a global high-resolution atmospheric model

Mesoscale Eddy-Induced Ocean Dynamic and Thermodynamic Anomalies in the North Pacific

“…Remarkable eddy-signature in salinity and chlorophyll is also found (Chelton et al, 2011;Gaube et al, 2013;Wang et al, 2018;Zhao et al, 2021). It is also established that ocean mesoscale eddies can modulate the air temperature, wind velocity, and precipitation in the atmospheric boundary layer directly above (e.g., O'Neill, 2012;Frenger et al, 2013;Putrasahan et al, 2017;Sugimoto et al, 2017), and may even be able to change the free atmospheric circulation as well as atmospheric transient eddy activity (e.g., Ma et al, 2015Ma et al, , 2017Zhou et al, 2015;Zhang et al, 2019Zhang et al, , 2020.…”

Association of the Zonal Migration of North Pacific Storm Track With the East Asian Monsoon in Boreal Wintertime

“…(2010) found that the 700 hPa local baroclinicity induced by the EAWM modulates the variation of v ′ v ′300; however, our research shows that the EAWM‐related atmospheric baroclinicity at 850 hPa cannot be associated with the variation of v ′ t ′850. In addition, although the formulas of BCET and BTET has been used until recently (e.g., Cai et al., 2007; Gan & Wu, 2013, 2014; Lee et al., 2011, 2012; Ma & Zhang, 2018; Wang et al., 2017; Yang et al., 2020a; Zhang et al., 2020), in the future study, the multiscale window transform (MWT) proposed by Liang and Anderson (2007) and the MWT‐based theory of canonical transfer (Liang, 2016) as well as the localized multiscale energy and vorticity analysis (MS‐EVA) proposed by Liang and Robinson (2005), which has been applied successfully in many atmosphere‐ocean problems (e.g., Ma & Liang, 2017; Xu & Liang, 2017; Zhao & Liang, 2019; Zhao et al., 2019), are suggested because it not only has energy conserved locally, but also bears a form of Poisson bracket in Hamiltonian dynamics, and satisfies the Jacobi identity (Liang, 2016).…”

“…The maximum EGR, which has been widely used to act as a suitable indicator to measure the atmospheric baroclinicity (e.g., Gan & Wu, 2014; Hoskins & Valdes, 1990; Lee et al., 2010; Zhang et al., 2020), is proportional to the vertical shear of the background westerlies and inversely proportional to the atmospheric static stability. According to Lindzen and Farrell (1980), the EGR is written as: where f is the Coriolis parameter, denotes the Brunt‐Väisälä frequency, V is the horizontal wind, z represents the height, and is the EGR.…”

“…Attempting to reveal the possible association between the EAWM and the zonal displacement of WNPST, the present study would focus on the interannual impact of EAWM on the WNPST represented by the lower‐tropospheric meridional eddy heat flux after removing their interdecadal signal. As a useful and practical tool, the energy budget diagnosis has been widely applied to investigate the storm track variations (e.g., Gan & Wu, 2014; Lee et al., 2012; Ma & Zhang, 2018; Mak & Cai, 1989; Wang et al., 2017; Zhang et al., 2020; Zhao & Liang, 2019). In addition, apart from the dry mechanism, the variations of storm track may also be elucidated by moisture effects (Kuwano‐Yoshida & Minobe, 2017; Lee et al., 2011; Ma et al., 2017).…”

冬季大尺度环流对黑潮延伸体不同尺度海温异常的年代际响应特征及可能机制

“…For a long time, the response of the atmosphere to the extratropical sea surface temperature anomaly (SSTA) ishas been considered to be insignificant, and the forcing of the atmosphere on the ocean areis preodominant in extratropical regionregions , but. However, the results of numerical simulation and observation data in recent years show that the SSTA in extratropical regionregions can also significantly affect the atmosphere on the interdecadal time scale , especially because different scales of SSTAs can force the an atmospheric response (Ma et al, , 2017Zhang et al, 2020). The Kuroshio Extension (KE) is the most active area of air-sea interaction in the North Pacific Ocean, and the KE jet has interdecadal variability from a stable state to an unstable state (Qiu and Chen, 2005;Taguchi et al, 2007;Qiu et al, 2014).…”