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  #21  
Old 4 August 2020, 16:42
smp52 smp52 is offline
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Originally Posted by tm3e View Post
2015 Tianjin port blast was probably bigger
That's another one that comes to mind.
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  #22  
Old 4 August 2020, 17:04
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Supposedly ammonium nitrate from teh m/v Rhosus, about 2700 tons.

Another video: https://twitter.com/Manik_bono/statu...52582491574273
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  #23  
Old 4 August 2020, 18:02
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The Twitter video had a flash to bang of 3.35 seconds, or barely a kilometer away.
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  #24  
Old 4 August 2020, 18:37
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Originally Posted by smp52 View Post
That's another one that comes to mind.
~2.1 kiloton vs ~2.7 kiloton in Beirut. Tactical nuke size either way.
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  #25  
Old 4 August 2020, 18:37
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POTUS just said the generals told him it was an attack and not an accident.
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  #26  
Old 4 August 2020, 18:44
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Does not seem like an attack. Reports on Lebanese twitter that an Ammonium Nitrate shipment had been confiscated and was being held in the vicinity without guards. If there was a fire adjacent to where the bulk AN was being stored, that could result in that kind of explosion (not to mention the dark smoke afterward).

Lebanese politics and corruption makes that a fairly plausible scenario.

That may not stop some in the Israeli security establishment from claiming credit for it, though.
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  #27  
Old 4 August 2020, 19:01
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Quote:
Originally Posted by poison View Post


I'm just sayin. Between the Hizb attempting to lay bombs on the border this week, bibi warning them to fuck off, and the above....it's possible.
Note: that photo was on twitter TWO years ago.
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  #28  
Old 4 August 2020, 19:01
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Quote:
Originally Posted by Jimbo View Post
Does not seem like an attack. Reports on Lebanese twitter that an Ammonium Nitrate shipment had been confiscated and was being held in the vicinity without guards. If there was a fire adjacent to where the bulk AN was being stored, that could result in that kind of explosion (not to mention the dark smoke afterward).

Lebanese politics and corruption makes that a fairly plausible scenario.

That may not stop some in the Israeli security establishment from claiming credit for it, though.
Ammonium nitrate is not explosive on its own. It would need fairly equal amount of nitromethane mixed in to become an explosive.
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  #29  
Old 4 August 2020, 19:17
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Originally Posted by 275RLTW View Post
Ammonium nitrate is not explosive on its own. It would need fairly equal amount of nitromethane mixed in to become an explosive.
Interesting. That is not my experience. Either way, maybe an enormous warehouse of fireworks that is on fire right next to where the bulk energetic material is stored would be enough to get the explosive train out of the station.
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  #30  
Old 4 August 2020, 19:20
poison poison is offline
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Note: that photo was on twitter TWO years ago.
Hezbollah is always digging.
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  #31  
Old 4 August 2020, 19:26
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Originally Posted by 275RLTW View Post
Ammonium nitrate is not explosive on its own. It would need fairly equal amount of nitromethane mixed in to become an explosive.
I thought it just needed an ignition source like a flame. The Texas explosion in the 40s was just ammonium nitrate ignited by a discarded cigarette.
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  #32  
Old 4 August 2020, 19:38
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Bellingcat has some good details.

https://www.bellingcat.com/news/mena...-up-in-beirut/
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  #33  
Old 4 August 2020, 19:51
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Quote:
Originally Posted by Streck-Fu View Post
I thought it just needed an ignition source like a flame. The Texas explosion in the 40s was just ammonium nitrate ignited by a discarded cigarette.
No, its not flammable. It does give O2 though.
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  #34  
Old 4 August 2020, 20:15
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it is interesting that the wikipedia page just changed to include the Beirut explosion.

controlling the narrative?

https://en.wikipedia.org/wiki/Ammoni...rate_disasters

It does give a pretty good explanation about how AN can explode

an even better link is why-does-fertilizer-explode
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  #35  
Old 4 August 2020, 20:35
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Also odd, timing wise: http://www.dailystar.com.lb/News/Leb...o-verdict.ashx

The killers of Hariri on trial now. I wonder how that could play in.
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  #36  
Old 4 August 2020, 20:37
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Quote:
Originally Posted by Jimbo View Post
Interesting. That is not my experience. Either way, maybe an enormous warehouse of fireworks that is on fire right next to where the bulk energetic material is stored would be enough to get the explosive train out of the station.
A Fox news article quoted a witness as saying she thought she heard fireworks going off prior to the explosion.
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  #37  
Old 4 August 2020, 20:46
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Quote:
Originally Posted by KimberChick View Post
A Fox news article quoted a witness as saying she thought she heard fireworks going off prior to the explosion.
There is a lot of footage available on twitter. It is clear there was a very large fire going adjacent to where the explosion originated. In many of the clips, smaller explosions, which appear like they could be fireworks, are visible.

It would not be the first time a bunch of stuff that should not be stored near each other was stored near each other with catastrophic results. Probably wont be the last.
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  #38  
Old 4 August 2020, 20:51
smp52 smp52 is offline
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Quote:
Originally Posted by Jimbo View Post
Interesting. That is not my experience. Either way, maybe an enormous warehouse of fireworks that is on fire right next to where the bulk energetic material is stored would be enough to get the explosive train out of the station.
Sounds like a plausible situation...from the EPA's link on Ammonium Nitrate

Quote:
"AN melts at 337 F (170 C) and begins to undergo decomposition when molten. Hazardous scenarios with AN can involve simple thermal decomposition initiated by external fire or other heating, selfsustained decomposition also known as “cigar burning,” and detonation.

Decomposition creates toxic gases containing ammonia and nitrogen oxides. The resulting nitrogen oxides will support combustion, even in the absence of other oxygen. The resulting heat and pressure from the decomposition of AN may build up if the reaction takes place in a confined space and the heat and gases created are not able to dissipate. As the temperature rises, the rate of decomposition increases. In a confined space, the pressure can reach dangerous levels and cause an explosion that will include the detonation of the AN.

When dealing with a large quantity of AN, localized areas of high temperature may be sufficiently confined by the mass of material to initiate an explosion. The explosion of a small quantity of AN in a confined space (e.g., a pipe) may act as a booster charge and initiate the explosion of larger quantities
(e.g., in an associated vessel).

During a fire in a facility where AN is present, the AN can become hot and molten which makes the material very sensitive to shock and detonation, particularly if it becomes contaminated with incompatible material such as combustibles, flammable liquids, acids, chlorates, chlorides, sulfur, metals, charcoal, sawdust, etc. If a molten mass becomes confined (e.g., in drains, pipes or machinery), it can explode. "

Last edited by smp52; 4 August 2020 at 20:57.
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  #39  
Old 4 August 2020, 21:00
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I think we all can agree that OSHA is not a thing is some parts of the world.
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  #40  
Old 4 August 2020, 21:57
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Quote:
Originally Posted by Jimbo View Post

It would not be the first time a bunch of stuff that should not be stored near each other was stored near each other with catastrophic results. Probably wont be the last.
Sometimes the easiest explanation is what we suspect happened.
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