【摘要】 利用1970-2008年地面最低气温和历史天气图资料,对黑龙江省初、终霜冻的天气气候特征进行了分析,并探讨了出现霜冻的环流形势特点,总结出黑龙江省出现霜冻的三种天气学模型:①超极地路径型;②西方路径型;③西北路径型。给出了霜冻的时空分布特征以及对预报有用的一些预报指标,对霜冻预报业务有参考作用。更多还原

【Abstract】 According to data on minimum surface temperature and weather charts during 1970-2008,synoptic and climatic features of the first and last frosts in Heilongjiang province are analyzed and the circulation situation characteristics of frost occurrences are discussed,3 synoptic meteorology models of the occurrences are summarized as polar path,western path and northwest path.Temporal and spatial distribution characteristics of frost and available forecast indicators are provided for reference on frost forecast.更多还原