We launched from Triangle Math and Science Academy at 11:12am on 17/Oct/2013 for their Science Olympiad team. The entire school came out to watch the launch.
This was a 1600g cell & helium launch.
Video of launch: http://www.ustream.tv/recorded/39924953
Video from the payload including balloon burst:
Launch forecast 2 hours before launch:
Graph of Altitude vs Speed and Temperature: