Unknown over Clinton, WI
A witness account on file, unevaluated. Most of the archive rests here, and honestly so.
The report, as filed
Very Loud noise coming from the sky. It sounded like several 8 engine B-52 bombers mixed with a train/tornado. Skies were heavily overcast and it had rained earlier. I messaged someone 20 miles to my east when it was over and her whole family heard it too. The next day one newspaper reported on the noise. It took over 5 minutes to move on from over my location. Blog entries below the story state that people had heard the noise from the west border of Wisconsin to the east and from the southern border north to almost Madison, Wisconsin. This was unlike anything I had ever heard before.
Held as-reported from National UFO Reporting Center (record NUFORC #118703). Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.
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For a dated, located U.S. sighting, FAA radar data and ATC communications are the records most likely to exist. Through Aletheca, the house instrument, anyone can commission the request — filed, chased, and published in the open, refusals included. The draft goes over already written: the records sought, and the date window they would live in.
Routed to: Federal Aviation Administration · records window 2015-04-16 → 2015-05-03
From the same sky