J4 ›› 2004, Vol. 22 ›› Issue (1): 30-33.

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The Climate Change and Snowfall Situation Analysis in Winter of Lanzhou

LIXiao-xia,WANGXiao-yong,ZUYong-an,ZHANGZheng-xiong,QUANJian-rui   

  1. 1.Nanjing Insititute of Meteorology,Nanjing 210044,China;
    2.Profession   Meteorological Observatory,Lanzhou 730020,China
  • Received:2004-02-09 Revised:2004-03-03 Online:2004-03-30 Published:2004-03-30

兰州市冬季天气气候变化及降雪形势分析

李晓霞王小勇祖永安张正雄全建瑞   

  1. 1.南京气象学院,江苏 南京 210044;2.甘肃省专业气象台,甘肃 兰州 730020
  • 作者简介:李晓霞(1970-),女,河南省巩县人,在读硕士,主要从事气候变化研究
  • 基金资助:

    兰州中心气象台创新基金项目资助

Abstract:

Using the daily snowfall,temperature data during1995~2000(in November,December,January,February)and 500,700 hPa circulation situation pictures of high altitude and ground in 1990~2000(in November,December,January,February),thepaper analyzed the temperature,precipitation variation tendency and 24 snowfall examples in winter of the past 50 years,demonstrated the weather situation background for snowfall and its occurring,developing as well,and set up the clearer forecast mentality,forecast model and forecast examples to rehouse

Key words: climate change, snowfall feature, weather situation background

摘要:

利用兰州市1951~2000年冬季(11、12~2月)逐日降雪、气温资料及1990~2000年历年(11、12~2月)的500、700hPa高空环流形势图、地面形势图,分析了兰州市冬季气温、降水变化趋势及24个降雪个例。从而对兰州市降雪天气的形势背景、发生、发展特点有了一定的了解,建立起了较为清晰的预报思路、预报模型、预报个例库。

关键词: 气候变化, 降雪特征, 形势背境

CLC Number: