每(mei)經(jing)AI快訊，據(ju)中(zhong)(zhong)(zhong)央(yang)氣象(xiang)臺預(yu)(yu)報，12月10至(zhi)11日、12月13至(zhi)15日，中(zhong)(zhong)(zhong)東(dong)部(bu)(bu)地(di)(di)(di)區將(jiang)出(chu)現(xian)(xian)兩次大范(fan)圍(wei)雨雪(xue)天(tian)氣過(guo)程，并伴(ban)有持(chi)續降溫(wen)。預(yu)(yu)計12月10至(zhi)11日，華(hua)(hua)北、黃淮(huai)(huai)將(jiang)出(chu)現(xian)(xian)今(jin)冬(dong)首(shou)場大范(fan)圍(wei)降雪(xue)，強降雪(xue)主(zhu)要出(chu)現(xian)(xian)在(zai)(zai)山(shan)(shan)西(xi)、河北、河南(nan)等(deng)地(di)(di)(di)，日降雪(xue)量具有一(yi)定(ding)極端性，降溫(wen)幅度可(ke)達12℃以上。據(ju)中(zhong)(zhong)(zhong)央(yang)氣象(xiang)臺首(shou)席預(yu)(yu)報員徐珺(jun)介(jie)紹，從環流(liu)形勢看，東(dong)亞槽(cao)后的(de)冷空氣沿著我國第二階(jie)梯地(di)(di)(di)形南(nan)下至(zhi)華(hua)(hua)北北部(bu)(bu)，伴(ban)隨南(nan)支(zhi)槽(cao)向北的(de)暖濕輸送，在(zai)(zai)華(hua)(hua)北形成了一(yi)個(ge)鋒(feng)區，因而(er)第一(yi)輪過(guo)程的(de)雨雪(xue)主(zhu)要集中(zhong)(zhong)(zhong)在(zai)(zai)華(hua)(hua)北地(di)(di)(di)區。預(yu)(yu)計華(hua)(hua)北中(zhong)(zhong)(zhong)南(nan)部(bu)(bu)將(jiang)出(chu)現(xian)(xian)大到暴雪(xue)，山(shan)(shan)西(xi)南(nan)部(bu)(bu)、河南(nan)北部(bu)(bu)局(ju)地(di)(di)(di)將(jiang)有大暴雪(xue)。“此次過(guo)程雨雪(xue)相(xiang)態較為復雜，山(shan)(shan)西(xi)南(nan)部(bu)(bu)、河南(nan)北部(bu)(bu)局(ju)地(di)(di)(di)將(jiang)出(chu)現(xian)(xian)凍雨，黃淮(huai)(huai)、河南(nan)中(zhong)(zhong)(zhong)南(nan)部(bu)(bu)一(yi)帶還將(jiang)出(chu)現(xian)(xian)雨夾(jia)雪(xue)。”徐珺(jun)說(shuo)，華(hua)(hua)北中(zhong)(zhong)(zhong)南(nan)部(bu)(bu)降雪(xue)具有一(yi)定(ding)極端性，降雪(xue)量可(ke)能達到或(huo)接近歷(li)史同期極值。（央(yang)視新聞）