[Valpal1]

Ejected flaming debris, possibly a container of explosive materials.

[Steve Van Doorn]

Watch this video at 3 seconds you see a cloud form in front of that white car which was the center of the explosion
https://twitter.com/QueenofClubsIII/status/1342929296977842176

Here is a military version of a fuel air explosion
https://www.youtube.com/watch?v=EpGQ-2hMjN4