n2j3 wrote: How about emphasizing speed instead of cloudiness? I'm just thinking aloud here. What could symbolise speed in an easily recognisable way. An accelerometer?
P.S Whenever I see lightning like that I'm reminded of the electricity company or the SS
I completely agree with you. That was my (awkward) tentative (by the way. why some images like my .gif are no more visible on this post?).
May be a (super)human figure like Flash (http://image3.examiner.com/images/blog/ ... flash2.jpg) or Sela Allen (http://upload.wikimedia.org/wikipedia/e ... h_Sela.png). Not just these (trademarks affairs), but something like that.

