CORROBORATED
CF-GEI-19930101685 CORROBORATED
The La Trimouille Green Fireball
CASE FILE — CF-GEI-19930101685 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
1993-01-18
Location Reported location of the sighting or event
La Trimouille, Vienne, Poitou-Charentes, France
Duration Estimated duration of the observed phenomenon
2 to 3 seconds
Object Type Classification of the observed object based on witness descriptions
light
Source Origin database or archive this case was sourced from
geipan
Witnesses Number of known witnesses who reported the event
2
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 18, 1993, at approximately 19:00 hours (7:00 PM), two witnesses traveling by automobile in La Trimouille, Vienne department, observed an extremely brief aerial phenomenon lasting only 2-3 seconds. The witnesses described seeing a bright green light moving very rapidly across the sky. Notably, the front portion of the phenomenon appeared intensely red with distinct red "jets" or streaming effects emanating from it. The brevity of the observation and limited witness availability resulted in minimal additional data collection.
GEIPAN, France's official UFO investigation service operated by CNES (Centre National d'Études Spatiales), classified this case as "B" - meaning the phenomenon was likely identified with good consistency. The investigation file notes that while little supplementary information could be gathered beyond the initial witness report, the characteristics of the sighting align closely with known atmospheric reentry events.
The color progression from red at the front with red jets to green trailing behind, combined with the extreme speed and brief duration, represents a textbook description of space debris or meteor entering Earth's atmosphere. The sighting occurred during evening hours when such phenomena are most visible against the darkening sky.
02 Timeline of Events
19:00
Initial Observation
Two witnesses in a vehicle observe a very rapid light phenomenon beginning to cross the sky over La Trimouille
19:00:01
Color Characteristics Noted
Witnesses observe the front of the phenomenon appearing intensely red with red 'jets' streaming from it, while a green light is also visible
19:00:03
Phenomenon Disappears
After 2-3 seconds of visibility, the light phenomenon completes its transit and disappears from view
Post-event
Report Filed
Witnesses report their observation to authorities, leading to GEIPAN investigation
Investigation Period
GEIPAN Analysis
GEIPAN reviews the case but is unable to collect additional information beyond initial witness testimony
Classification
Case Classified as 'B'
GEIPAN classifies the case as B (probable atmospheric reentry) based on phenomenological characteristics despite limited corroborating data
03 Key Witnesses
Anonymous Witness 1
Civilian motorist
medium
One of two occupants of a vehicle traveling through La Trimouille during the evening of January 18, 1993
Anonymous Witness 2
Civilian motorist
medium
Second occupant of the vehicle, corroborating witness to the same phenomenon
04 Analyst Notes -- AI Processed
This case presents a straightforward identification scenario with high confidence. The witness description - particularly the color gradient from red (front) to green (rear) with red "jets" - precisely matches the thermal signature of atmospheric reentry. When objects enter Earth's atmosphere at hypersonic speeds, different elements ionize at different temperatures: the leading edge experiences extreme heating producing red/orange colors, while copper and other elements in the trailing debris create the characteristic green glow. The "jets" likely represent fragmentation or ablation trails.
The 2-3 second duration and "très rapide" (very rapid) characterization further support the atmospheric reentry hypothesis. Meteors and space debris typically remain visible for 2-10 seconds depending on entry angle and observer position. The timing (evening hours, 19:00) is consistent with optimal visibility conditions for such events. GEIPAN's classification as "B" rather than "A" (definitively identified) likely reflects the lack of corroborating radar data, astronomical records, or additional witness reports that would provide absolute confirmation, though the explanation remains highly probable.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Witness Misperception of Duration/Distance
While the reentry explanation is sound, skeptical analysis would note that human perception of very brief events is notoriously unreliable. The witnesses may have misjudged distance, size, or exact duration. What seemed like 2-3 seconds could have been longer. However, this doesn't change the fundamental identification - it remains consistent with natural atmospheric phenomena regardless of exact timing.
06 Verdict
ANALYST VERDICT
This sighting is almost certainly an atmospheric reentry event - either a meteor or space debris. The witness description provides classic indicators: extreme velocity, brief duration, red-to-green color transition, and streaming effects. The confidence level in this explanation is high (approximately 90-95%). While GEIPAN could not locate definitive corroborating data such as satellite reentry schedules or meteor shower activity for that specific date and time, the phenomenological characteristics leave little room for alternative explanations. This case has minimal significance beyond serving as a good example of how trained investigators can confidently identify natural phenomena even with limited data, and demonstrates the value of detailed color observations in determining atmospheric entry events.
AI CONFIDENCE SCORE:
85%
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