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🇺🇸 USAF — Project Blue Book

UFO identified as weather balloon in Oakland

UFO identified as weather balloon in Oakland
United States4 pages
PDF · official source

Summary

In March 1957, a witness in Oakland, California, reported a bright orange object moving rapidly in a southwesterly direction. The description included an estimated speed of 500-600 mph, initially causing some concern. However, a limited investigation revealed the phenomenon was not an unidentified object, but a weather balloon launched from Oakland Airport. This case illustrates how common objects can be misinterpreted under complex atmospheric conditions.

The official report, part of Project 10073, includes details on location, time, and weather conditions. Although no photos were taken, records indicate the balloon had been released 22 minutes before the sighting. This type of resolution, though routine, helps clarify many UFO reports that initially seem inexplicable.