synoptic scale weather system

基本解释

The cause which made this pollution is large scale synoptic system and local weather conditions such as weak wind, inverse temperature, relative humidity etc except for pollution source.
除污染源之外，造成这次重污染过程的主要原因是大尺度的天气背景与局地的气象条件所引起的。
To study the radiative effect of dust aerosols on synoptic-scale system and the dust transport, an interactive weather-dust model including shortwave radiative effect of dust aerosols is developed.
本文利用一个考虑了沙尘气溶胶短波辐射效应的天气-沙尘双向模式，对南疆盆地一次冷空气东侵而引起的沙尘天气进行数值模拟。