CaseUnknown1999
Walnut Creek, CA, USA
Aircraft from SSW to E at extremely high altitude at extremely high speed, crossing visible horizon in 8 minutes, so high that shape wa
Report quality: Moderate55/100
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: 600s, a plausible sighting length
- Detailed witness text (135 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1999-02-13
- Where
- Walnut Creek, CA, USA
- Shape
- Unknown
- Duration
- 10 minutes
- Geo
- 37.906, -122.065 · exact
- Slug
- unknown-over-walnut-creek-ca-1999-a29619
In context
- One of 26 documented reports from Walnut Creek, CA in the UFOMYST archive.
- California logged 407 sightings in 1999.
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.