(1) The intense heat from lightning causes the surrounding air to rapidly expand and create a sonic wave and that is what causes thunder!
(2) The avarage tempature of lightning is around 20000 C !
(3) Astraphobia is a fear of thunder and lightning!
(4) Thunder is difficult to hear at distances over 12 miles!
(5) every time there is lightning there is thunder , you cannot have one or the other !
(6) Thunder storms cause 100 deaths and more than 100 injuries in a year !
(7) Thunder can be hear not only in thunder storms but also when it snows!