According to Spaceweather website witness in Utah, Wyoming and Idaho saw "remarkable midnight fireball that turned night into day. It was not a Leonid. Infrasound measurements suggest a sporadic asteroid not associated with the Leonid debris stream. The space rock exploded in the atmosphere with an energy equivalent to 0.5 - 1 kilotons of TNT"
Many surveillance cameras have recorded the midnight-landscape illuminated by the fireball:
(click to enlarge)
Here you can find other videos of the fireball uploaded on youtube:
Few hours after the fireball, strange clouds appeared in the dawn sky. These clouds are strikingly similar to the debris left in the sky after the 2008 TC3 event in Sudan on Oct. 7, 2008.
by Ernesto Guido