CaseFormation2020
Yankton, SD, USA
Low flying Ufo cluster over Yankton.
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: 146s, a plausible sighting length
- Brief witness text (36 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 2020-02-22
- Where
- Yankton, SD, USA
- Shape
- Formation
- Duration
- 146 seconds
- Geo
- 42.871, -97.397 · exact
- Slug
- formation-over-yankton-sd-2020-915342
Wave
Part of a wave
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
- Yankton, SD has 13 sightings on file here.
- 2020 brought 16 reports from South Dakota.
- The 2020s skewed 5.2% 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.