CORROBORATED
CF-GEI-20130108663 CORROBORATED
The Triembach-au-Val Dawn Bolide Event
CASE FILE — CF-GEI-20130108663 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2013-01-07
Location Reported location of the sighting or event
Triembach-au-Val, Bas-Rhin, Alsace, France
Duration Estimated duration of the observed phenomenon
3 seconds
Object Type Classification of the observed object based on witness descriptions
orb
Source Origin database or archive this case was sourced from
geipan
Witnesses Number of known witnesses who reported the event
1
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On January 7, 2013, at precisely 4:13 AM, a motorist driving near Triembach-au-Val in the Bas-Rhin department of Alsace observed a brief but striking aerial phenomenon lasting only three seconds. The witness reported seeing a sudden flash in the sky, followed immediately by a luminous sphere from which multiple fragments detached and separated. The observation occurred during exceptionally early morning hours when most of France was covered by heavy cloud cover, though conditions were slightly clearer over Germany in the direction the witness was looking.
The timing of this sighting coincided with the tail end of the Quadrantids meteor shower, an annual celestial event peaking in early January. GEIPAN investigators noted that no other witnesses came forward to report the phenomenon, likely due to the very early hour and widespread cloud cover across France. Significantly, there was no corresponding entry in the BOAM database (French meteorological observation network), which investigators attributed to the heavy cloud coverage preventing detection by automated systems.
The investigation revealed a notable correlation: on the same day at 23:45 (7:45 PM), a large bolide was observed over central France in Saint-Étienne-de-Boulogne, suggesting heightened meteor activity on this date. The witness's description matched precisely the typical characteristics of a bolide—a particularly bright meteor entering Earth's atmosphere. GEIPAN classified this case as "B" (probable explanation identified), concluding it was most likely the atmospheric entry of a meteoroid, possibly related to the Quadrantids meteor shower activity.
02 Timeline of Events
04:13
Initial Flash Observed
Motorist observes sudden bright flash in the sky while driving near Triembach-au-Val
04:13:01
Luminous Sphere Appears
Following the flash, a bright spherical object becomes visible in the sky
04:13:02
Fragmentation Occurs
Multiple fragments detach from the main sphere and separate, consistent with bolide breakup
04:13:03
Phenomenon Ends
Entire event concludes after 3 seconds total duration
2013-01-07 (later)
GEIPAN Investigation Initiated
Official investigation begins; meteorological and astronomical data reviewed
23:45
Second Bolide Event
Large bolide observed over central France (Saint-Étienne-de-Boulogne), suggesting heightened meteor activity this date
03 Key Witnesses
Anonymous Motorist
Civilian motorist
medium
Driver traveling in the early morning hours near Triembach-au-Val who provided specific timing and detailed description of the phenomenon.
"3 secondes un flash dans le ciel suivi d'une boule de laquelle se détachent plusieurs éclats"
04 Analyst Notes -- AI Processed
This case demonstrates strong internal consistency and aligns well with known astronomical phenomena. The witness credibility is enhanced by the specificity of the timing (4:13 AM) and the detailed description matching classic bolide characteristics: initial flash, luminous sphere, fragmentation pattern. The meteorological cross-reference showing heavy cloud cover across France except in the southeast and clearer skies over Germany (the direction of observation) adds significant credibility to why this was a solo sighting.
The temporal correlation with the Quadrantids meteor shower provides strong contextual support for the meteoroid explanation. The Quadrantids typically peak around January 3-4 but remain active through mid-January, making January 7 a plausible date for such observations. The additional bolide sighting later the same day in central France (Saint-Étienne-de-Boulogne case) suggests above-average meteor activity on this specific date. The absence of BOAM database records, while potentially concerning, is reasonably explained by cloud cover preventing instrumental detection. The three-second duration is consistent with typical bolide observations, as is the fragmentation behavior described by the witness.
05 Theory Comparison
BELIEVER ANALYSIS
Insufficient Data for Complete Explanation
The single-witness account and lack of instrumental confirmation leave some uncertainty. While the bolide explanation is reasonable, the precise fragmentation pattern and the fact that this occurred during a period of unusual meteor activity (two bolides the same day) could suggest other possibilities warrant consideration. However, no evidence contradicts the natural explanation.
SKEPTIC ANALYSIS
Possible Atmospheric Electrical Phenomenon
While the bolide explanation is most likely, the single-witness nature and heavy cloud cover raise the possibility of misidentification of a rare atmospheric electrical phenomenon such as ball lightning or upper-atmosphere electrical discharge. However, the fragmentation pattern described is not typical of such phenomena and strongly favors the meteoroid explanation.
06 Verdict
ANALYST VERDICT
This case represents a highly probable identification of a natural astronomical phenomenon—specifically, a meteoroid entering Earth's atmosphere (bolide). The confidence level is high based on: (1) witness description perfectly matching bolide characteristics, (2) temporal correlation with Quadrantids meteor shower activity, (3) meteorological conditions explaining single-witness status, (4) corroborating bolide sighting elsewhere in France the same day, and (5) official GEIPAN classification as "B" (probable explanation). While the single-witness nature and lack of instrumental confirmation prevent absolute certainty, this case exemplifies how careful investigation can distinguish likely natural phenomena from truly unexplained events. The case holds modest significance primarily as a well-documented example of meteor observation under challenging visibility conditions and demonstrates the importance of meteorological context in UFO investigations.
AI CONFIDENCE SCORE:
85%
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