Re: [新聞] 氣象局三度下修最低溫 寒流威猛超出預期
這次重大寒災過後,恐怕必須檢討現行寒流只報出寒流與低溫特報,
面對可能出現極端的低溫時,不妨再多一個'強烈寒流' 以及增加'霜凍特報'
提醒民眾更加警覺
這就好比過往出現極強豪雨時,無論下多少只要日雨量超過130MM,
都只是千篇一律發出豪雨特報,問題台灣的豪雨動輒一日降個4-500公厘,
山區還可能破千,只報到豪雨特報,而沒有特別的警戒層級時,
難以增加民眾的警覺心,後來多了大豪雨,超大豪雨後,
多少也讓民眾提高警覺,災損也跟著下降.
至於什麼時候發出強烈寒流報告? 台北預估低溫7度以下就可以發了,
因為如果台北低溫破7度,空曠地可能只剩5-6度,霜凍特報呢?
空曠地或是台地可能出現大面積達到霜凍點時發布,
多少可以提醒務農者小心霜害...
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