leapfrog effect 蛙跳效應

leapfrog effect  
繁: 蛙跳效應
簡: 蛙跳效应

而室外若遇上外牆空隙、棚架或半封閉空間，則可能產生「煙囪效應」，加上單位的火衝出窗戶，繼而燒破樓上的窗戶，令火勢逐層向上蔓延，形成「蛙跳效應」，亦是常見的垂直蔓延方式。

宏福大火以每秒10米蔓延史無前例 (2026年6月26日)。星島頭條，取自https://www.stheadline.com/daily-hongkong/3587096/

He also said the “leapfrog effect” was apparent, referring to the movement of fire from one flat to the one above it.

Tai Po fire probe: Ban combustibles on external building works, expert says (2026, Jun 25).Hong Kong Free Press. Retrieved from https://hongkongfp.com/2026/06/25/tai-po-fire-probe-ban-combustibles-on-external-building-works-expert-says/