Comments by "Roger Scott Cathey" (@rogerscottcathey) on "Beirut Explosion Seen From Nearby Boat" video.

  1. That vortex had a non emissive shock vacuum around it, so it looks like a black bar in the cloud. After half a second it emerges as an expanding white vortex sailing upward. About seven seconds later we hear the report. ~1.5-2.0 miles away.
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