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高空擾動 Upper-air disturbance

 HKO FB

高空擾動


500 hPa prediction HKO

ECMWF 500hPA prediction . Choose dimension as east asia.

For 19 jan 2026



Himawari 9 realtime infrared image

鄭明典FB 冷高壓


中心氣壓仍維持1070左右,此高壓中心看起來是緩慢往東南方向移動!

但是追蹤低層冷空氣流向,主要的冷空氣受東側大低壓的影響,仍然是偏東出海,預期日、韓會有一波嚴寒的低溫，部分冷空氣往南,中國多數地方都發布寒潮與降溫預警。 這一次影響台灣的冷空氣可能要經過黃海、東海,在海面時間長,空氣相對潮濕。但是預期的降雨,還包括冷空氣上方的西風帶來的水氣,時間是20日晚間之後,這部分的水氣才是高山降雨的主要水氣來源。

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