Summary
Edmonton ATC and incoming passenger flight captains logged a bright disc hovering over controlled approach vectors.
Detail report
Air traffic controllers at Edmonton International Airport received independent reports from two commercial airline captains regarding an intensely glowing disc-shaped object hovering in commercial flight paths. Primary surveillance radar corroborated an unidentified target at 28,000 feet. The object remained completely stationary despite 40-knot crosswinds before accelerating rapidly into upper cloud cover.