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獨／黃仁勳AI預報天氣儼然「天氣之子」？林嘉愷稱「沒這麼神準」透露其中最大盲點
發布時間：2026/08/18 11:53:57
更新時間：2026/08/18 11:53:57
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論壇中心／綜合報導
輝達與中央氣象署於2022年合作開發AI天氣降尺度技術，AI氣象預報模型不是靠傳統的數學公式，而是從大量歷史氣象資料中「學習」，找到颱風移動的潛在規律。不過前氣象局主任預報員、現任氣象主播林嘉愷，在《新聞觀測站》節目中直言，雖然有助於提升預報準確度，但還是有其盲點。
林嘉愷指出，AI預報的根本運算基礎在於「輸入的資料」，陸地上有氣象站可精準量測風速、濕度與氣壓，但覆蓋地球絕大部分的「海洋」相對缺乏實際觀測站。海面的氣象數據大多僅能仰賴人造衛星進行「估算」，原本就存在著誤差。
他強調，即便電腦運算速度再快、網格點再密，若源頭輸入的數據不完全精準，電腦算出來的結果自然也會有誤差。林嘉愷認為，導入AI確實能縮小誤差，但若要期待預報準確度接近零誤差，短期內恐怕還有一大段路要走。
