太平洋高壓偏弱對大陸高壓發展影響 - 颱風討論
By Daph Bay
at 2012-08-03T18:10
at 2012-08-03T18:10
Table of Contents
八月份是個過渡季節,立秋在八月初,表面上是秋季開始,事實上大氣結構
仍為夏季型配置,只是立秋過後,太陽下山時間會快速提早,斜射角度也會增加,
特別是在高緯度地方,只要太陽一下山氣溫就會下降很快,夜晚時間增加,
也會讓氣溫降得較低,有利冷空氣堆積.
不過八月畢竟太平洋高壓仍強,熱力也夠,冷空氣發展情況也有限,
只是,如果八月中下旬太平洋高壓勢力偏弱,熱力提供情況減少,
會不會有利於西伯利亞高壓提前發展?
甚至在八月下旬即能對溫帶地區氣溫產生一定程度影響?
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