Project Blue Book Case File
Abilene, Tex, January 1948 - Incident Number: 231January 1948
Summary
On the night of January 1, 1948, a resident of Abilene, Texas reported seeing a bright blue-green glow in the western sky around 1:25 a.m. The observer described the object as resembling a large bell on the horizon with a fan-shaped glow extending upward toward the zenith (the point directly overhead). The phenomenon lasted about two seconds. Five minutes later, the same glow appeared again for roughly the same duration. The observer heard no sound and reported clear skies at the time.
An Air Force officer who reviewed the report suggested two possible explanations. The first was an electrical disturbance, such as transformers exploding, somewhere in the Abilene area. The second was an experiment at White Sands Proving Grounds, a military testing facility located to the west. The officer sent a copy of his letter to a university scientist in New Mexico and asked local utility company representatives to investigate whether any electrical problems had occurred that night. However, when the Air Force inquired directly with Holloman Air Force Base near White Sands, officials there stated that their nighttime and Sunday research operations did not involve flares or lighting devices of the kind described in the sighting.
The Air Force's official evaluation categorized this incident under "miscellaneous" explanations, suggesting phenomena such as reflections or auroral streamers (glowing bands of light in the upper atmosphere), though the case file does not indicate which explanation was considered most likely. The investigation did not yield a definitive conclusion about what the observer witnessed.
The full case file is reproduced below as held by the National Archives, spanning 9 pages.
Reported location
Abilene, Tex, January 1948 - Incident Number: 231
Date of incident
January 1948
State / country
? / XX
Page count
9 scanned pages
USAF evaluation
unknown
Microfilm
T1206, Roll 2