UFOMYST
CaseChanging2008

Yorkville, IL, USA

Bright round shaped ufo that shot straight up into the sky for about 3 weeks.

Report quality: Moderate51/100

This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.

  • Duration parsed: 9000s, a plausible sighting length
  • Moderate witness text (77 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2008-02-11
Where
Yorkville, IL, USA
Shape
Changing
Duration
2-3 hours
Geo
41.641, -88.447 · exact
Slug
changing-over-yorkville-il-2008-61676e
Wave

Part of a wave

  • Historical wave2004

    The Navy Encounters & the UAP Era

    U.S. training ranges (Pacific off San Diego; Atlantic off Virginia), then worldwide reporting

    The wave that renamed the subject. The USS Nimitz 'Tic Tac' encounter (November 2004: radar drops from 80,000 ft to sea level in seconds, pilot visual by Cmdr. David Fravor, FLIR video) stayed classified-adjacent until…

    Open wave →

In context

  • One of 7 documented reports from Yorkville, IL in the UFOMYST archive.
  • Illinois logged 167 sightings in 2008.
  • Changing sightings ran at 2.8% during the 2000s (archive average: 2.5%).

Nearby in space & time

within 30 days

Report

Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.