Forumite

Reply To: Big Boom Beirut.

#61137
Participant
Ed P
@edps
Forumite Points: 16,933

Actually the latest Beeb video taken from a high angle shows lightning flashes in the ‘smoke’ of the initial fire. To me that suggests a very high particle density in the smoke, so grain dust may indeed be a factor. The lightning would also give enough energy to initiate a potent detonation wave.