Theresa, WI, USA
layered white lights, large, silent, moving slowly over large distance at low altitude and suddenly disappeared with out a trace
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: 600s, a plausible sighting length
- Detailed witness text (128 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1989-11-25
- Where
- Theresa, WI, USA
- Shape
- Triangle
- Duration
- 10 minutes
- Geo
- 43.517, -88.451 · exact
- Slug
- triangle-over-theresa-wi-1989-bd1aaf
Part of a wave
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…
In context
- One of 1 documented reports from Theresa, WI in the UFOMYST archive.
- Wisconsin logged 5 sightings in 1989.
- Triangle sightings ran at 12% during the 1980s (archive average: 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.