UFOMYST
CaseCircle2019

Winterhaven, CA, USA

Bright white round with white/orange sparks tail disapeared over the Yuma Proving Grounds airport.

Report quality: Moderate47/100

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: 2s (an atypical range)
  • Moderate witness text (98 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2019-01-31
Where
Winterhaven, CA, USA
Shape
Circle
Duration
2-3 seconds
Geo
32.739, -114.635 · exact
Slug
circle-over-winterhaven-ca-2019-71972b
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

  • Winterhaven, CA has 4 sightings on file here.
  • 2019 brought 510 reports from California.
  • The 2010s skewed 12.3% circle reports; the archive-wide figure is 10.6%.

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.