Its going to fluctuate likely over the weekend as theres a pattern, it starts ramping up over the weekend and dies off once stuffs been done server end and then starts again the following weekend presumerably because the Culprits got time to change around the VPN settings (once started though the programmes that you use for a DDOS don't need to be monitored unless they get blocked).
If Neils happy to there could always be a snapchat group set up or something, that way those going/confirming etc have a back up and an active way to get details of changes weather etc if the forums being hit as sadly this attacks probably not going to end any time soon.