Several very loud, rapid explosion sounds, lasting approximately five seconds. They followed the sighting by several minutes.
Persistent train
Observation
Yes
Duration
99.99s
Length
30°
Remarks
The brilliant white-blue smoke trail persisted before dawn as a series of puffs joined by thinner smoke trail. The trail dissipated after dawn as a large, serpentine trail covering perhaps 15% of the visible sky.
Terminal flash
Observation
Yes
Remarks
A bright flash, nearly of daylight intensity for one-half second, that was followed by perhaps two smaller flashes.
