In this paper,the processes of the occurrence and development of a mid-tropospheric cyclone (MTC hereinafter) over the South China Sea are successfully simulated,adopting the convective heating profile calculated from...In this paper,the processes of the occurrence and development of a mid-tropospheric cyclone (MTC hereinafter) over the South China Sea are successfully simulated,adopting the convective heating profile calculated from the ana- lysed data.And a series of numerical experiments show that the convective heating rate, especially its vertical profile, plays a key role in the occurrence,development and maintenance of the MTC.When there is highly concentrated convective heating in middle layer(400—450hPa),the MTC could occur and maintain for longer time.And the key to successfully predict the MTC by numerical model is to correctly specify the convective heating profile in the model.展开更多
文摘In this paper,the processes of the occurrence and development of a mid-tropospheric cyclone (MTC hereinafter) over the South China Sea are successfully simulated,adopting the convective heating profile calculated from the ana- lysed data.And a series of numerical experiments show that the convective heating rate, especially its vertical profile, plays a key role in the occurrence,development and maintenance of the MTC.When there is highly concentrated convective heating in middle layer(400—450hPa),the MTC could occur and maintain for longer time.And the key to successfully predict the MTC by numerical model is to correctly specify the convective heating profile in the model.