【摘要】 选取商丘市8个观测站1961—2010年共50年气象实测资料,分析了商丘大风时空分布特征,同时对大风日数减少的原因进行简要剖析,并初步探讨了产生大风的天气形势.结果表明:商丘大风日数具有明显的年代际变化,总体呈减少趋势;月、季变化明显,4月最多,9月最少,春季最多,秋季最少.更多还原

【Abstract】 The measured weather datas from eight observation stations of Shangqiu city during 1961— 2010,were selected to analyze the spatial and temporal distribution features of strong winds in Shangqiu,and to analyze the reason of the windy days reducing.The generated synoptic situation of winds was also discussed.The results show that the days of winds in Shangqiu have obvious interannual variability,with the generally reducing trends and obviously month and season changes.The days of winds in April were the most,while September the least.And the windy days in spring were the most,autumn the least.更多还原