UFOMYST
CaseUnknown2015

Sioux Falls, SD, USA

Trumpet-like sounds.

Report quality: Moderate58/100

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: 900s, a plausible sighting length
  • Brief witness text (20 characters)
  • Location geocoded exactly
  • 1 other report from the same city within 3 days
When
2015-11-24
Where
Sioux Falls, SD, USA
Shape
Unknown
Duration
15 minutes
Geo
43.544, -96.728 · exact
Slug
unknown-over-sioux-falls-sd-2015-998289
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

  • One of 70 documented reports from Sioux Falls, SD in the UFOMYST archive.
  • South Dakota logged 17 sightings in 2015.

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.