Here's Your Mystery Rumble, Folks. NASA's GIANT Cloud Machine

Ok look, so it's called the Stennis Space Center

But it gets worse. There are several of these "Rocket Propusion Testing Centers" throughout the U.S. Check out this clickable map
I do believe this particular little BBC piece can potentially stand up in a courtroom to a prompt investigation in to whether or not this facility was in operation during this most recent flooding within the last few month or so? Merely a idea. Later on whenever people start connecting more dots they could feel that it's beneficial.