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今年冬天恐更冷 原因曝光
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ETtoday
2024-12-04 | 1分鐘閱讀

記者陳俊宏/台北報導

氣象專家林得恩表示,本月反聖嬰形成的機率將超過7成!反聖嬰現象肇生時,冬天到隔年春季的氣溫也會比氣候平均值來的低,發生機率約在6成左右。
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林得恩在「林老師氣象站」臉書提到,美國國家氣象局(National Weather Service,NWS)氣象預報中心(Climate Prediction Center,CPC)11月最新研究指出,根據目前最新氣候預報模式模擬結果,反聖嬰現象將達顛峰趨勢,本月發生機率超過70%,且影響時間也再延長到明年的2、3月,隨後形成機率亦將逐月遞減,重新回歸到中性特徵。

林得恩說,根據過去歷史事件統計分析,反聖嬰現象肇生時,當年台灣夏天及隔年春雨的降雨量都會減少,秋季在東北部及東部的降雨量也會增多;而冬天到隔年春季氣溫也會比氣候平均值來的低,發生機率約在6成左右。

中央氣象署指出,根據最新預報資料顯示,冬季反聖嬰有50%的發展機率,明年春季則以回復到正常機率最高;氣象署分析過去歷史資料表示,反聖嬰發展時,台灣冬季有氣溫較冷、雨量略少的特徵,惟反聖嬰年份對台灣的氣候變異性大。

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