As part of work funded by CPO's Climate Variability and Predictability (CVP) program on the propagation and predictability of tropical intraseasonal oscillation in the Maritime Continent region, University of Hawaii researcher Kazuyoshi Kikuchi developed a comprehensive review covering fundamental aspects of the boreal summer intraseasonal oscillation (BSISO) from the viewpoint of observation, theory, and modeling. BSISO is a major pattern of subseasonal tropical variability during summertime in the Northern Hemisphere. It travels northward over the northern Indian Ocean and western North Pacific, and eastward along the equator. BSISO influences a broad range of tropical weather and climate phenomena, such as tropical cyclones and monsoons. Although the BSISO’s winter counterpart, the Madden-Julian oscillation (MJO), is more widely known and studied, Kikuchi’s review is the next step in emphasizing the distinct behaviors and characteristics that separate the two patterns.
Kikuchi is an associate researcher with the International Pacific Research Center at the University of Hawaii. His review paper will be featured in an upcoming issue of the Journal of the Meteorological Society of Japan and is already available as an open-access, advanced publication.
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Image Credit: BSISO Mode from K. Kikuchi Personal Website
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