法国西南部吉伦特省一场强烈野火在7月22日于Saumos地区爆发，火势之猛烈足以产生热积雨云现象[1]。这种罕见的气象现象由野火产生的热量驱动，云层内部的闪电击中地面并引发了新的火灾[1]。
截至报道时，该野火已烧毁超过420平方公里的森林和灌木地，摧毁或损毁超过240所房屋[1]。灾情之严重致使吉伦特省22万人被迫撤离[1]。部门消防和救援服务在7月24日下午6:20左右确认了这一热积雨云的形成[1]。
法国国家消防员联合会指出，这是该国有记录以来首次观测到此现象[1]。相比之下，加拿大在2023年就记录了142起热积雨云事件[1]，而欧洲大陆自1980年代以来以全球平均水平的两倍速度升温[1]。
A major wildfire that erupted near Saumos in southwestern France on July 22 produced a pyrocumulus cloud—a rare phenomenon in which intense heat generates towering storm clouds capable of producing lightning that strikes the ground and ignites new fires.[1] The France National Federation of Firefighters confirmed this marked the first time such a phenomenon had been recorded in the country.[1]
The blaze has devastated vast tracts of land across the Gironde region, consuming more than 420 square kilometers of forest and scrubland while destroying or damaging over 240 homes.[1] The fire forced approximately 220,000 residents of Gironde to evacuate their homes.[1] On July 24 at approximately 6:20 p.m., departmental fire and rescue services officially documented the formation of the pyrocumulus cloud.[1]
The extreme conditions enabling such a phenomenon reflect broader climate trends, as continental Europe has warmed at twice the global average rate since the 1980s.[1] While such fire-generated clouds remain uncommon in France, Canada recorded 142 instances of pyrocumulus clouds in 2023.[1]