洛阳机场辐射雾的预报

从统计资料看，洛阳机场影响能见工的雾绝大多数是辐射雾，平流雾的出现低于0．1％。辐射雾出现的常见形势是：洛阳处在地面弱高压中心附近或鞍形场、均压共内，地面为稳定东北风或风向不定，风速均≤3m/s，出现的前一天下午至晚上近地面湿度较大，前一天16时相对湿度均＞75％，天空背景为夜间晴朗少云，或碧空或只有高云县总云量不超过2／8，近地面层大气层结比较稳定。

The Predict of Fog in Luoyang Airport

According to the statistics, in Luoyang airport, it is radiation fog that mostly affect the visibility roughly, advection fog appears lower than 0.1%.But the most familiar situation that radiation fog appear is: Luoyang is nearby weak high center or pressure field of the saddle type or in average pressure area, surface wind direction is stable north-east or VRB,wind speed is below 3m/s. From afternoon to night of the day before, surface layer humidity is higher . The relative humidity is above 75% at 17:00 the day before, the sky background is clear and little cloud of nighttime, or SKC or high cloud ,and total cloud is not exceed 2/8, surface layer atmosphere stratification is quite stability.