San Francisco, CA, USA
Formation in western sky, 4 blue lights, San Francisco, Sept 21, 2017 at 20:02pm ((NUFORC Note: We suspect a lens flare. PD))
Report quality: Low39/100
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.
- No parseable duration on file
- Moderate witness text (80 characters)
- Location geocoded exactly
- 1 other report from the same city within 3 days
- NUFORC attached a skeptical explanation note (e.g. Venus, satellite, meteor)
- When
- 2017-09-21
- Where
- San Francisco, CA, USA
- Shape
- Formation
- Duration
- Seconds
- Geo
- 37.775, -122.419 · exact
- Slug
- formation-over-san-francisco-ca-2017-425d07
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
- This is one of 241 reports logged in San Francisco, CA.
- This case is one of 594 California reports filed in 2017.
- Formation craft made up 3.5% of 2010s reports, vs 3.3% across the whole archive.
Nearby in space & time
within 30 daysReport
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.