UFOMYST
CaseTriangle2020

Mundelein, IL, USA

Black shimmering triangular Object flying north to south slowly. Then slowly flew straight up until disappearing.

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: 600s, a plausible sighting length
  • Moderate witness text (113 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2020-08-11
Where
Mundelein, IL, USA
Shape
Triangle
Duration
10 minutes
Geo
42.263, -88.004 · exact
Slug
triangle-over-mundelein-il-2020-06442b
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

  • Mundelein, IL has 14 sightings on file here.
  • 2020 brought 169 reports from Illinois.
  • The 2020s skewed 6.2% triangle reports; the archive-wide figure is 9%.

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.