2011年包头初雪天气过程分析

Analysis on First Snowing Weather Process in Baotou in 2011

利用Micaps常规资料,对2011年1月2-4日包头地区冬季首次降雪过程进行了分析。结果显示:此次降雪过程是受高空短波槽和地面倒槽共同影响所致,低空有充沛的水汽输送,并与西路小槽引导的冷空气在河套地区交汇;低空河套以东地区有强烈的辐合上升运动,有利于此次降雪天气过程的发生、发展。

Using the conventional meteorological observation data, the weather process of first snowing were ana- lyzed on January 2-4, 2011 in the Baotou. The results showed that the snowfall process effect by high altitudes short wave trough and ground inverse trough, at the same time, the plentiful vapor transport to low altitudes, the cold air and worm moist air intersection of the Hetao area. Strong convergence ascending was in favor of the de- velopment of snowing weather.