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南方冬天打雷嗎冬天會(huì)打雷不

  • 生活
  • 2023-04-17 14:05

  南方冬天打雷,不過(guò)很少發(fā)生。打雷是夏季比較常見(jiàn)的現(xiàn)象,到了秋冬時(shí)節(jié),就比較少出現(xiàn)了。但這并不代表出現(xiàn)了就是種奇怪的現(xiàn)象。其實(shí),冬季出現(xiàn)打雷,是比較正常的現(xiàn)象,是可以通過(guò)科學(xué)來(lái)解釋的。冬季打雷說(shuō)明空氣濕度大,容易形成雨雪,故有“冬天打雷雷打雪”之說(shuō)。

  冬季氣候是比較干燥的。尤其北方的冬季,寒冷而干燥,打雷現(xiàn)象幾乎不會(huì)出現(xiàn)。但是,南方地區(qū)就不同了,南方冬季氣候是相對(duì)溫暖和潮濕的。當(dāng)冷空氣南下的時(shí)候,由于地面溫度比較高,氣流抬升,冷空氣下沉,便形成了對(duì)流。

  所以,南方地區(qū)冬季出現(xiàn)打雷也是正常的。不過(guò),冬季我國(guó)光照熱度普遍偏少,地面將暖濕氣流抬升的動(dòng)力不足,即便水汽夠足,也很難出現(xiàn)對(duì)流。

  “冬雷”顧名思義,是冬季打雷的意思。要想了解冬天為什么會(huì)出現(xiàn)打雷,就要先知道雷電是怎么形成的。雷電形成需要一定的條件,這些條件在春夏季比較容易出現(xiàn)。即充足的水汽、讓暖濕氣流上升的動(dòng)力以及劇烈的對(duì)流運(yùn)動(dòng)。

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