Quite good article. I did not realize the act of the hail and ice crystals colliding is what makes the Charge within the clouds.
(when you stated, "This causes the cloud to have a negative charge at the bottom and a positive charge at the top" )
Certainly was enthralled by the #VIDEO of Upward lightning - at 1 Min. 49 Seconds in, it kind of looked like a Tree .
Also, appreciated your 'Myth or Fact' fun facts. Thanks for pausing out of yr day to provide us entertainment