UFOMYST
CaseDisk1991

Hertfordshire (UK/England), United Kingdom

fiery disc object seen moving across sky.moving away then returning, then moving away at high speed

Report quality: Moderate51/100

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: 30s, a plausible sighting length
  • Moderate witness text (99 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1991-03-15
Where
Hertfordshire (UK/England), United Kingdom
Shape
Disk
Duration
30secs
Geo
51.833, -0.250 · exact
Slug
disk-over-hertfordshire-uk-england-1991-966af5
Wave

Part of a wave

  • Historical wave1989–1991

    The Belgian Triangle Wave

    Belgium (Eupen, Wallonia, Brussels corridor)

    The definitive black-triangle wave: silent, slow platforms with three corner lights, reported by gendarmes, air-traffic controllers, and thousands of citizens. On the night of March 30-31, 1990, Belgian F-16s scrambled…

    Open wave →

In context

  • Hertfordshire (UK/England), United Kingdom shows up 4 times across the archive.
  • 4 reports came from United Kingdom in 1991.
  • In the 1990s, 7.1% of reports described a disk — the all-time rate is 5.9%.

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.