ev-intel-025c255564b2

AISS-UFOB-306-55 — 1955-09-07 — Colfax, Iowa

1955-09-07· Colfax, IowaResolved prosaic
Strangeness (S)
0.0
Credibility (P)
1.0
Evidence (EVID)
1.0
Date conf
9.0
Loc conf
0.0

Narrative

At 1701Z on 7 September 1955, a housewife in Colfax, Iowa observed a single round, black-spotted object the size of a basketball through binoculars. The object emitted black smoke exhaust covering approximately half a mile of sky. It exhibited rolling and circling motion, partly behind a cloud. Duration was 10 minutes. The 4602D AISS concluded the sighting was probably a balloon.

extracted via: llm_subagent_v1

Witnesses (1)

  • [anonymous] civilianrole_pattern

Source documents (1)

Click filename to view on Internet Archive (where these are mirrored as public-domain US-government records).

Score evidence (5)

Why this event scored the way it did. Every contribution is traceable.

s

  • outcome=resolved_prosaic (cap S<=3)
  • post-blend cap S<=3 (resolved_prosaic)

p

  • docs=1 (+0.5)
  • single agency (+0.5)

evid

  • narrative only (base 1)