CaseDisk2013

Boulder, CO, USA

Rotating disc with blinking colored lights seen flying along ridge in north Boulder, followed by quickly moving lights on the ground.

Report quality: Moderate55/100

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: 300s, a plausible sighting length
  • Detailed witness text (133 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2013-04-22
Where
Boulder, CO, USA
Shape
Disk
Duration
5 minutes
Geo
40.015, -105.271 · exact
Slug
disk-over-boulder-co-2013-c6860b
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…

In context

  • Boulder, CO shows up 107 times across the archive.
  • 146 reports came from Colorado in 2013.
  • In the 2010s, 3.8% of reports described a disk — the all-time rate is 5.9%.

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.