2010年大同市主要天气气候事件及特征

2010年,大同市年平均气温较常年偏高0.2℃,春季气温为1971年以来历史同期次低值,夏季气温为次高值;年降水量418.9mm,比常年偏多5%,秋季降水量为1971年以来历史同期第二多。年内,极端天气气候事件频发,多项气象要素突破极值。冬春季持续低温致春播延期、作物发育推迟;夏季全市高温破历史纪录,阶段性干旱明显,局地冰雹及洪涝灾害偏多;秋季连阴雨天气造成涝灾及作物贪青晚熟,春季全市出现大范围大风沙尘天气,给社会经济和人民生活带来较大的损失和影响,其中干旱、冰雹及洪涝造成的损失较为严重。

Climatic Characters and Main Weather and Climate Events of Datong in 2010

In 2010,the annual mean temperature in datong was higher 0.2℃ than normal;spring mean temperature was the second lowest since 1971,while summer temperature was the second highest since 1971.Annual precipitation in datong was 418.9mm,5% more than normal;precipitation in autumn was the second most since 1971.During this year,extreme weather and climate events happened frequently,a number of meteorological items broke historical records.In winter and spring,unusual continuous low temperature delayed spring sowing and growth of crops;In summer,the maximum temperature broke historical records,the periodic drought was obvious,the flood disasters and hail hazards were more;In autumn,the rainy weather caused waterlogging and crops regreening;In spring,the gale and dust weather affected most of datong.These all brought more losses both to the social economy and to people life,in which,drought,hail and flooding hazards caused more serious losses.