As reported
Disk over Cooks Mills (Welland) (Canada), ON
A witness account on file, unevaluated. Most of the archive rests here, and honestly so.
The report, as filed
Saucer silver & white .with heat wave or something from bottom appears and vanished , day time no clouds in the sky
Held as-reported from National UFO Reporting Center. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.
From the same sky