UFOMYST
CaseCircle2016

Sioux Falls, SD, USA

Cloaked spacecraft? Something hidden in a cloud?

Report quality: Moderate44/100

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: 4s (an atypical range)
  • Brief witness text (48 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2016-11-11
Where
Sioux Falls, SD, USA
Shape
Circle
Duration
3-4 seconds
Geo
43.544, -96.728 · exact
Slug
circle-over-sioux-falls-sd-2016-9ed039
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 →
Local cluster

Local cluster

Sioux Falls, SD logged 3 reports in the single month of November 2016.

In context

  • One of 70 documented reports from Sioux Falls, SD in the UFOMYST archive.
  • South Dakota logged 23 sightings in 2016.
  • Circle sightings ran at 12.3% during the 2010s (archive average: 10.6%).

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.