2020/11/27  
Forecasters see 3-5 typhoons approaching Taiwan this year (2020/06/30)
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  • 英文 English 
    Forecasters see 3-5 typhoons approaching Taiwan this year (2020/06/30)

    Plum rain season is drawing to a hot and sticky close, with record high temperatures recorded across Taiwan through June. Forecasters say the next week will see highs of 35 every day, and there's a hot summer coming. Meanwhile they're looking ahead to the typhoon season, and expect three to five typhoons to hit this year. 2020 is a La Nina year, which means the typhoons will probably be slightly weaker than average. But they'll form closer to Taiwan, giving citizens less advance warning of their arrival.

    The hot weather is getting to everyone. On Monday Taipei reached a blistering 38.9 degrees, the hottest day this year. One New Taipei weather station recorded the highest-ever June reading in its 124-year history. Hot weather is expected from July through September, thanks to the La Nina effect. With little rain in July, extremely hot weather could be possible. As for the week ahead, 35 degrees will be the norm.

    Wu Wan-hua
    CWB forecaster
    On Wednesday and Thursday, the falling pressure of the South Pacific High and the approach of the front will mean there could easily be heavy rain or localized very heavy rain, especially in the afternoon. We expect that on Friday and Saturday, after the pressure in the Pacific High increases again, the front will move away somewhat, and our rain will lessen, but the weather will stay hot and sultry.

    Lu Kuo-chen
    CWB forecaster
    The reason it’s so hot is because of the sub-tropical pressure system, the South Pacific High. It’s very strong, so strong that the front approaching from the north is being held at bay because of it. That’s why Taiwan has these high temperatures.

    Ten weather stations across Taiwan set records in June, and that trend looks set to continue. The typhoon season is approaching too. Normally 21 to 25 typhoons form in the Northwest Pacific every year from June to December, and three to five of those approach Taiwan. Forecasters say this year will be in that normal range, but with La Nina developing, they expect typhoons to form closer to Taiwan than normal, meaning we’ll have less warning and less time to prepare for their arrival.

    Lu Kuo-chen
    CWB forecaster
    We predict a normal number of typhoons to approach, approximately three to five. With La Nina, they’ll form closer to Taiwan. Compared to El Nino years, the typhoons will be slightly less strong.

    Even if they’re slightly weaker, the typhoons will appear suddenly, giving little advance notice. Forecasters say the public should stay alert and prepare now for the first typhoon’s visit.
    中文 Chinese  
    颱風季來臨 氣象局估今年3~5個颱風侵台

    梅雨季結束,今年夏季連日高溫,氣象局統計,六月就有十個測站高溫破往年紀錄,預估今年夏天出現極端高溫的機率偏高。至於即將到來的颱風季,預估今年將有3至5個颱風侵台,屬於正常值,但因生成位置相對接近,應變和預警時間都變短。

    連日高溫,就快讓人熱昏頭,台北週一飆出38.9度,不只是今年最高溫,也刷新台北氣象站設站124年來,六月最高溫紀錄。而受到反聖嬰現象影響,今年7到9月氣溫都將偏高,7月雨量偏少,仍有機會出現"極端高溫",未來一週高溫也都在35度以上。

    [[氣象局簡任技正伍婉華]]
    “明天、後天兩天,因為太平洋高壓減弱、鋒面接近,造成我們的天氣,所下的雨,尤其中午以後的雨,容易出現大雨或局部性豪雨。預估星期五到星期六,太平洋高壓增強以後,鋒面稍微遠離一點,所下的雨減少以外,仍然屬於高溫悶熱的天氣狀況。”

    [[氣象局預報中心主任呂國臣]]
    “這麼熱的原因,就是因為影響台灣的副熱帶高壓,也就是太平洋高壓,強度特別的強,強到北方的鋒面要下來,都下不來了,台灣持續的高溫的出現。”

    六月已經有10個測站破紀錄,今年夏天還有可能繼續熱下去。至於即將到來的颱風季,以往西北太平洋6到12月,約有21到25個颱風生成,侵台數量正常為3到5個,今年接近正常值的機率大。但因反聖嬰現象發展,氣象局預測,颱風生成位置接近台灣,預警和應變時間也變短。

    [[氣象局預報中心主任呂國臣]]
    “預測侵台颱風的個數是正常3到5個左右,反聖嬰的影響之下,由於颱風生成的位置相對台灣比較近,所以跟聖嬰年比較起來,侵襲台灣的颱風強度會比較弱一點。”

    儘管預估今年颱風強度較弱,但因為應變時間短,加上氣候瞬息萬變,民眾仍不能掉以輕心,還是要提前做好防颱準備。
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