主要利用大气中的压、湿、湿、风的垂直分布，判断大气滚流对天气演变的影响来预报天气转折性变化。
The vertical profiles of pressure, temperature, humidity and wind are used to determine the influence of atmospheric roll flow on weather and to predict the turning of weather.
风暴轴与每日天气图上的气旋和反气旋路径紧密联系，对天气演变、天气预报和短期气候预测具有重要的指示意义。
Storm track is associated with tracks of cyclones and anticyclones in daily synoptic chart, thus it may impact weather change and short-term climate variation.
这就是所谓的长期天气异常演变过程中半年左右的相似韵律现象。
This is the so-called analogous rhythms phenomenon for about six months in the evolution processes of long-term weather anomaly.
谈论天气是帮助人们克服社交障碍演变而来的代码，让人们可以真真正正相互交谈。
Weather talk is a kind of code that we have evolved to help us overcome social inhibitions and actually talk to one another.
主要分析了青海春季沙尘暴空间、时间演变特征及异常大气环流、海温对沙尘暴天气的影响。
The spatial and temporal evolution characteristics of spring sandstorm in Qinghai province and the impact of abnormal circulation and sea temperature on sandstorm weather are analyzed.
第五部分介绍天气雷达地理信息组件，一个小型的GIS系统，该组件为系统提供了定位天气系统的能力，更直观的反映天气系统的演变。
The fifth part introduce weather radar GIS component, a mini GIS. This component provide system locating ability for weather system. It can reflect weather system evolvement more directly.
分析表明，预报系统不仅能定性预报沙尘天气的空间分布与时间演变，而且能定量预报沙尘源地、大气中的沙尘浓度、沙尘的输送以及沉降。
Analysis shows that the system not only can quantitatively predicate the spatial distribution and temporal change of the dust, but also the source, density in the air, transfer and deposition.
利用与非静力平衡中尺度气象模式完全耦合的区域沙尘数值模式，模拟研究这次强沙尘天气过程中沙尘浓度的空间分布结构和时间演变趋势。
The spatial and temporal distribution and development of dust concentration and structure were simulated by a coupled dust model with non-hydrostatic mesoscale model.
利用与非静力平衡中尺度气象模式完全耦合的区域沙尘数值模式，模拟研究这次强沙尘天气过程中沙尘浓度的空间分布结构和时间演变趋势。
The spatial and temporal distribution and development of dust concentration and structure were simulated by a coupled dust model with non-hydrostatic mesoscale model.
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