摘要
北京地区由于其特殊的地理位置和地形条件,造成其气候特点为6～8月份为雷雨多发季节,能及时准确地对灾害性天气做出预报和预警,就会更好地保证航空飞行的安全并提高经济效益。对于锋面过境时引起的坏天气,预报人员通过在工作中不断积累经验,做了较为系统的总结归类,提高了预报的准确率。但由于天气系统复杂多变,形成天气的各物理量相互制约。没有一个绝对统一的判据,所以气象预报也常常出现失误。
Through accumulated working experience, the weather forecastors have done more systematic summings-up and classification about the bad weather arisen from the front passing aver the border. However, due to the weather system complicated and changable, faults are often appeared in the weather forecast. The article, through analysis of a hailstorm process after a cold front, explores some problems that should be noticed by the weather forecast under the similar meteorological conditions.
