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中文摘要: 利用实测资料和历史天气图资料，对近31年我国东北地区初霜冻的天气气候特征进行了分析，并探讨了初霜冻出现前24小时的环流形势特征和天气演变过程，给出了初霜冻的时空分布特征以及对预报有用的一些判据。对实时预报业务有参考作用。
中文关键词: 初霜冻，环流形势，锋区强度
Abstract:Based on the data of observations and weather charts,weather-climatic features of the first frost in the northeast part of China during the latest 31 years were analyzed,and the circulation characteristics and weather-developing process at the time of 24 hours before the first frost were discussed,and the geographic and space-time distribution features of the first frost and some useful criteria were presented,which play a reference role in real-time forecast operations.
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引用文本：
杨克明,陈秀凤,王东生,吴昊,1999.东北地区初霜冻的天气气候特征[J].气象,25(6):13-18.
,1999.Analysis of Weather Climatic Features of the First Frost in the Northeast Part of China[J].Meteor Mon,25(6):13-18.
杨克明,陈秀凤,王东生,吴昊,1999.东北地区初霜冻的天气气候特征[J].气象,25(6):13-18.
,1999.Analysis of Weather Climatic Features of the First Frost in the Northeast Part of China[J].Meteor Mon,25(6):13-18.