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投稿时间：2010-03-19 修订日期：2010-04-05
投稿时间：2010-03-19 修订日期：2010-04-05
中文摘要: 2010年2月主要环流形势为：北半球有三个极涡中心，亚洲极涡的强度偏强,形状扁平；东亚大槽较弱；南支槽接近常年，中上旬较为活跃。这种环流形势使得今年2月影响我国的北支锋区偏弱，冷空气路径偏北。2月主要气候特点：气温偏高，降水接近常年。新疆、浙江降水量较历史同期偏多；云南、贵州、四川南部、广西西部等地气象干旱持续发展；8-13日受寒潮天气影响，我国出现大范围雨雪天气，全国大部地区气温明显偏低，对春运造成严重影响。
中文关键词: 干旱, 冰冻, 寒潮
Abstract:The following are the main characteristics of the atmospheric general circulation in February 2010. There are three polar vortex centers: the Asian polar vortex center is stronger than normal years, the East Asia major trough is weak, and the south branch trough is active in the first ten days of February. This circulation situation causes the north branch frontal zone to be weaker than normal years. The main climatological characteristics in February are as follows. The temperature is higher than normal years. The rainfall in Xinjiang and Zhejiang is more than the other years. The drought in Yunnan, Guizhou, Sichuan and Guangxi becomes more serious。Meanwhile， because of the influence of cold waves during 8-13 February, there are many rainy and snowy days over the large area of China before the Spring Festival of 2010, and it gives high impacts on the traffic in this period.
keywords: drought, freezing, cold wave
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基金项目:中国气象局新技术推广项目《低温雨雪冰冻灾害中期预报技术》（200501901001）资助
| Author Name | Affiliation |
| TIAN Weihong | National Meteorological Center, Beijing 100081 |
引用文本：
田伟红,2010.2010年2月大气环流和天气分析[J].气象,36(5):133-137.
TIAN Weihong,2010.The Atmospheric General Circulation and Synoptic Analysis in February 2010[J].Meteor Mon,36(5):133-137.
田伟红,2010.2010年2月大气环流和天气分析[J].气象,36(5):133-137.
TIAN Weihong,2010.The Atmospheric General Circulation and Synoptic Analysis in February 2010[J].Meteor Mon,36(5):133-137.