【秋】雨雪襲京城,秋景還在否 剛剛過去的這個周末,一場雨雪襲擊了京城,據報道,自 1951 年北京有完整氣象記錄以來,這次雨雪的同期單日降水量刷新了歷史記錄。這次雨雪降水量全市平均 56.1mm ,城區平均 62.0mm ,最大降水量出現在海澱鳳凰嶺,為 99.6mm 。 11 月初出現如此強大的雨雪天氣,歷史同期罕見。 降水量與積雪深度是兩個不同的概念,通常北方地區 1mm 降水量可形成 8-10mm 積雪,南方地區是 6-8mm 。氣象學上, 24 小時內,降水量達到 5.0-9.9mm 為大雪,超過 10mm 為暴雪。 雨雪過後,又刮了一天的大風,氣溫驟降,那麼,京城晚秋的景色是否還在?昨天氣溫開始回升,落日之前去了朝陽公園,發現雨雪過後,晚秋的景致依舊。
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