This pattern is consistent with the passing of a cold weather front bearing a strong area of low pressure at the surface.
沙尘暴的这种分布型式与地面冷锋造成的强低压区相一致。
This is a sandstorm weather that happened on zonal circulation and affected by heat low and surface cold front in west Mongolia.
通过分析认为，这是一次发生于纬向环流中的沙尘暴天气，主要影响系统是蒙古西部热低压和地面冷锋。
Results indicate that there is a cold advection in the surface layer and a warm advection at the higher level near the stationary front.
结果表明：静止锋附近的近地面层为冷平流，再往上为暖平流。
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