颶風眼什麽樣?看颶風獵人駕機穿越“艾爾瑪”
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連日來,為了搜集"艾爾瑪"的準確數據,一些被稱作"颶風獵人"的人多次駕駛飛機,穿越"艾爾瑪"上空,並記錄下了"艾爾瑪"的風眼附近的景象。
連日來,為了搜集"艾爾瑪"的準確數據,一些被稱作"颶風獵人"的人多次駕駛飛機,穿越"艾爾瑪"上空,並記錄下了"艾爾瑪"的風眼附近的景象。"艾爾瑪"的風眼呈巨大旋渦狀,周圍到處是厚厚的雲層。
路透社記者在8日和9日跟隨美國空軍的飛機,穿越"艾爾瑪"上空,飛抵風眼附近。當時駕駛飛機的美國空軍預備役軍官吉姆是一名經驗豐富的"颶風獵人",在過去20多年間曾穿越過40到50場颶風。
吉姆表示:“他之前從未經曆過如此強烈的颶風。”
一般來說,風眼是颶風中心的平靜區域。風眼周圍的環狀雲區域被稱為風眼牆,那裏的風力通常是最強的。吉姆表示:“穿越颶風風眼牆的過程,就跟去洗車店裏洗車一樣,眼前一片模糊,飛機會異常顛簸,甚至沒法讀取儀表盤上的數據”
雖然目前通過衛星來對颶風等天氣現象進行觀測的技術日趨成熟,可以對颶風的規模和強度進行觀測,但對於颶風最大風速、壓力、方向等精確信息,仍需要依靠安裝有專業儀器的飛機,進行近距離觀測。
有專家表示,未來有望通過無人機來取代"颶風獵人",完成這項帶有危險性的颶風觀測工作,但實現這一目標或許仍需較長時間。
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