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Archive case record

San Francisco, California, February 1953

Date of account
1953-02
Location
San Francisco, California
Source
uap_archive
Record updated
2026-10-10

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Record summary

Project Blue Book case file indexed from National Archives metadata; page-level review pending.

Published source text

Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.

Source page 1

Source text · mention only

1.·DATE·TIME GROUP 2.LOCATION 13Feb53 314/0258Z San Franci soo,Califomia 3.SOURCE 10.CONCLUSION 3Civ.men WEATHER PHENOMONA 4.NUMBER OF OBJECTS Report ofobjects attributed to effectsof inversion in Ona area 5.LENGTH OF OBSERVATION 11.BRIEP SUMMARY AND ANALYSIS 22intes Round black object followed by 2 silver streaks appearing to 6.TYPE OF OBSERVATION up and dowm on zig zag course. thirobbing sound was heam ound-Visual. as the obj passed ovarhead at alt of appmx lo,ocor. 7.COURSE Thousands or personns observed similar obj Uo 13Feb53. n astronomer said thnt ghtings were result ofa tenperature nversion. 8.PHOTOS Y.· 9.PHYSICAL EVIDENCE Y N FORM FTD SEP 63 0329 (TDE) P1otouo edeas thle form may bo ueed.

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