Statistics of observation data of wires glaze since meteorological record in Anhui were carried out.Temporal and spatial distribution characteristics of wires glaze were analyzed.Meanwhile,meteorological element characters during wires glaze appearance were summarized.Based on this,the meteorological condition of Yihua ±500 kV direct current wire accident in Jan.16 were analyzed.Meteorological condition characters which caused wires glaze disaster were obtained,and to suggestions on disaster preventing were...