INJ] One of these days, but not today.

(INJ) Technically, and probably in popular parlance too, a thunderstorm is defined by the electrical phenomena but there has to be precipitation for this to happen, but it need not be at the point of observation and a there's a specific meteorological code number for this (17, for the anoraks, of which I am one). There is no code figure for "freak storm" BTW. Top whack is 99, "heavy thunderstorm with hail", the "heavy" referring to the precipitation rather than the lightning and thunder. Also, I've noticed that "anarcho" is an anagram of "arachno". What have spiders got to moan about? There are 10¹⁴ of them, apparently.

An organisation? No.

irach] Human? *sustained applause* Yes
Raak] Paper? No
Kim] Does it move? *cries of "OOOH!"* More accurate to say that it involves movement
Chalky] A country? No

Rosie] Is it a sport? *cheering and loud applause* Not a sport, exactly, but close...
Tuj] Is it geographical? No.
Chalky] Relocation? No
Dujon] Does it involve dancing? No

[Rosie] I lived in Africa for a year and for a few weeks before the start of the rains there were repeated electrical storms but no rain reached the ground. Would the precipitation have been contained within the cloud structure? (feel free to transfer to the banter page if there's a long explanation - or tell me to go and look it up for myself!)

INJ] Tai chi? No

(ImNotJohn) OK - See Banter Page.

ImNotJohn] Extreme Ironing? No
Rosie] A performance of some kind? Yes, in the sense of Raak's answer below, but not more than that.
Raak] Does it involve a group of people doing something? *a mighty cheers rises from the audience* A perfect definition.
After-work drinks now, so no more for a few hours.