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气象:2006,32(2):87-91
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2005年湖南省特大冰冻灾害天气分析
(湖南省气象台,长沙 410007)
Analysis of Freezing-hazard Event in 2005 in Hunan Province
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投稿时间:2005-01-26    修订日期:2005-11-07
中文摘要: 通过对2005年2月湖南省冰冻天气过程进行分析发现,此过程虽属轻冰冻过程,但造成的冰冻灾害严重。其主要原因是:逆温层底高度偏低,逆温层顶气温偏高,阴雨时间长,在1000~925hPa(海拔1000m以下)之间形成较厚的过冷层,与强冰冻区相吻合,而地面冷空气偏弱,致使地表冰冻不明显。
Abstract:A freezing event in Hunan Province in February 2005 is analyzed. It is a light freezing, but it caused heavy hazard. The main reasons of the phenomena are as follows. The height of the bottom of the inversion layer is relatively low, the temperature at the top of the layer is relatively high and the wet weather remains long time. This situation led the air between 1000hPa and 925hPa to supercooled layer, which corresponds to the strong freezing region, while the cold air on the ground is a little weak. for the reasons, the surface freezing is not obvious.
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引用文本:
王晓兰,李象玉,黎祖贤,李耨周,居晶琳,2006.2005年湖南省特大冰冻灾害天气分析[J].气象,32(2):87-91.
,2006.Analysis of Freezing-hazard Event in 2005 in Hunan Province[J].Meteor Mon,32(2):87-91.