Abstract
Assessing the reliability of global monsoon low-pressure system track datasets for the East Asian monsoon
Highlights
Tropical monsoon low pressure systems (MLPSs) are synoptic-scale weather systems formed by tropical circulations
The results show that both datasets are able to generate MLPSs with identical structure for the East Asian Monsoon, and they provide similar results in terms of the location and monthly frequency
The MLPSs passing through this region were defined as East Asian MLPSs
Summary
Tropical monsoon low pressure systems (MLPSs) are synoptic-scale weather systems formed by tropical circulations. Liang et al (1985, 1993) used the Tropical Cyclone Yearbook and historical weather maps to manually identify and compile over ten years of data for the South China Sea monsoon depressions, and they performed statistical analysis of these data. Their results indicate an average formation of about four depressions per year, which have an approximate lifetime of 3 days and complex movement paths. The atmospheric circulation conditions of the typical depressions were analyzed to assess the agreement between the identified EAMD and the observations In this way, a clear understanding of the credibility of the two MLPS track datasets (HB2015 and VB2020) for the East Asian monsoon was obtained
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