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Back黑龙江立冬节气后:降温幅度全年最大 雨雪交替登场
黑龙江立冬节气后:降温幅度全年最大 雨雪交替登场
NEWS
中国新闻网54 minutes agoEnvironment2 min readChinaView translation

黑龙江立冬节气后:降温幅度全年最大 雨雪交替登场

Quick Look

黑龙江省立冬首日气温大幅下降,降温幅度达6.36℃位居二十四节气之首,雨雪交替导致道路结冰风险骤增,气象部门提醒公众关注预警并安全驾驶。

AI-generated summary

Why It Matters

立冬是二十四节气中冬季的开篇,黑龙江省立冬后是全年降温幅度最大的阶段,降温幅度达6.36℃,位居二十四节气之首。霜降、立冬和小雪三个节气连续构成全年降温最集中时段。

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中新网哈尔滨11月7日电(王妮娜 王蕾)立冬,是二十四节气中冬季的开篇,冷空气每一次造访都携大风、降温与雨雪,气温在波动中持续走低,寒意层层递进。

11月7日是立冬首日,黑龙江省晴有时多云。最高气温大兴安岭、黑河、伊春、齐齐哈尔北部、绥化北部-12至-8℃,其他大部地区-8至-4℃。

从黑龙江省二十四节气平均气温变幅数据来看,立冬后是全年降温幅度最大的阶段,降温幅度达6.36℃,位居二十四节气之首。霜降、立冬和紧随其后的小雪,三个节气连续构成全年降温最集中时段。这一时期,该省气温下行节奏明显加快,冷空气一波未平一波又起,降温过程来得快、幅度大、持续性强。

同时,立冬还处于雨雪转换期,这是黑龙江此时节最鲜明的降水特征。北部地区降水相态开始以雪为主,南部地区由雨逐渐向雪过渡,雨、雨夹雪、湿雪、冰粒甚至冻雨往往交替登场,中南部地区尤为明显。

从近十年主要城市雨夹雪出现日数看,霜降、立冬、春分和清明最为集中,佳木斯峰值出现在立冬节气。今年立冬前夕,鹤岗、佳木斯、双鸭山、鸡西等地先后经历小雨转雨夹雪、再转湿雪过程,路面湿滑与道路结冰风险骤增,前期雨水在降温后结成暗冰,远比单纯的积雪更具隐蔽性。

立冬时节,气温断崖下滑,雨、雪交替登场。立冬期间,黑龙江省有2次雨雪天气过程,前期风力较大。7至8日中东部有5至6级风,阵风7至9级;9至12日北部地区自西向东有阵雪;14至15日中南部还有一次雨雪过程。

气象部门提醒,道路结冰、积雪、电线积冰对交通、通讯、城市运行、农业仍有较大影响,公众需关注临近预报预警,雨雪天气驾车减速慢行、保持安全车距。(完)

What to Watch

AI outlook — possibilities, not facts

  • 黑龙江省将在7至8日中东部出现5至6级风,阵风7至9级;9至12日北部地区自西向东有阵雪;14至15日中南部还有一次雨雪过程。

    Very likely · Within days

Open Questions

  • 具体各市县的最低气温是多少?
  • 道路结冰导致的交通事故或延误情况如何?
  • 雨雪天气过程对农业生产的具体影响程度如何?

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This article was originally published by 中国新闻网.

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