UFOMYST
CaseFormation1990

Waterloo, IL, USA

Giant Chevron

Report quality: Moderate48/100

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: 1800s, a plausible sighting length
  • Brief witness text (13 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1990-02-15
Where
Waterloo, IL, USA
Shape
Formation
Duration
30 Min
Geo
38.336, -90.150 · exact
Slug
formation-over-waterloo-il-1990-923d30
Wave

Part of a wave

  • Historical wave1989–1991

    The Belgian Triangle Wave

    Belgium (Eupen, Wallonia, Brussels corridor)

    The definitive black-triangle wave: silent, slow platforms with three corner lights, reported by gendarmes, air-traffic controllers, and thousands of citizens. On the night of March 30-31, 1990, Belgian F-16s scrambled…

    Open wave →

In context

  • Waterloo, IL has 3 sightings on file here.
  • 1990 brought 9 reports from Illinois.
  • The 1990s skewed 2.7% formation reports; the archive-wide figure is 3.3%.

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.