The cloud formed is NOT the same. In this case, the white cloud is a fuel/air vapor which catches fire.
WWG1WGA
Garde la Foi, mes amis! Nous nous sommes les sauveurs de la République! Maintenant et Toujours!
(Keep the Faith, my friends! We are the saviors of the Republic! Now and Forever!)
LonePalm, le Républicain du verre cassé (The Broken Glass Republican)
Talking re Beirut?
That one is a bleve.