UFOMYST
CaseDiamond2009

Mesa, AZ, USA

Flying object seen in Mesa. ((NUFORC Note: Confirmed high-altitude research balloon. PD))

Report quality: Low32/100

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: 1200s, a plausible sighting length
  • Brief witness text (27 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
  • NUFORC attached a skeptical explanation note (e.g. Venus, satellite, meteor)
When
2009-05-18
Where
Mesa, AZ, USA
Shape
Diamond
Duration
20 minutes
Geo
33.422, -111.823 · exact
Slug
diamond-over-mesa-az-2009-211f67
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

  • Mesa, AZ shows up 237 times across the archive.
  • 161 reports came from Arizona in 2009.
  • In the 2000s, 1.6% of reports described a diamond — the all-time rate is 1.4%.

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.