Abstract: A hypothesis concerning the development of the western sector of a Mei-Yu front is proposed. An observational evidence showing the presence of a positive low-level potential vorticity (PV) anomaly along the western sector ...

Abstract: Six cases of prefrontal squall lines were observed over the Taiwan Strait and western Taiwan during the 1987 Taiwan Area Mesoscale Experiment (TAMEX). The mean propagation speed was 10 m s?1, and the mean life span was ...

Abstract: The earliest onset of the Asian summer monsoon occurs in early to middle May over the South China Sea. This onset is signified by the development of low-level westerlies and leads to heavy convective rainfall over southern ...

Abstract: The merger of tropical cyclones Zeb and Alex is described. The process includes mutual cyclonic rotation, followed by merger of Zeb and Alex. The cyclonic rotation of Alex around Zeb accelerated as the separation distance ...