Great, I’m in!
But: if we are to involve people ("#Twitterstorm is starting, all welcome") I guess we’ll need to explain what it is they are supposed to do to get involved.
Also, there needs to be a hashtag that recurs in all tweets, otherwise there is no identity of the T-Storm.
I suggest a “recruitment phase” pre T-storm. We’ll need a landing page with instructions (do a search for the hashtag #OpenVillageFest, retweet things, join the “war room” chat…). The recruitment phase could even just be the hour before the T-storm itself.