What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: shortly after launch, N2556W drifted over and collided with another balloon (N4199K) that was in the process of hot inflation. According to the pilot of N2556W, this driftover was caused by an unanticipated wind shift after launch. The pilot of N4199K reported the winds at the launch site to be light and variable. Collision occurred while N2556W was approximately 50' AGL. N4199K was not yet ready for flight. Only the top half of N4199K'S envelope was erect and no one had yet boarded the gondola. This incident is closed.
As the FAA filed it
NARRATIVE: SHORTLY AFTER LAUNCH, N2556W DRIFTED OVER AND COLLIDED WITH ANOTHER BALLOON (N4199K) THAT WAS IN THE PROCESS OF HOT INFLATION. ACCORDING TO THE PILOT OF N2556W, THIS DRIFTOVER WAS CAUSED BY AN UNANTICIPATED WIND SHIFT AFTER LAUNCH. THE PILOT OF N4199K REPORTED THE WINDS AT THE LAUNCH SITE TO BE LIGHT AND VARIABLE. COLLISION OCCURRED WHILE N2556W WAS APPROXIMATELY 50' AGL. N4199K WAS NOT YET READY FOR FLIGHT. ONLY THE TOP HALF OF N4199K'S ENVELOPE WAS ERECT AND NO ONE HAD YET BOARDED THE GONDOLA. THIS INCIDENT IS CLOSED.