CORROBORATED
CF-GEI-20011001575 CORROBORATED

The Savoie Green Fireball: Multi-Witness Atmospheric Entry

CASE FILE — CF-GEI-20011001575 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2001-10-07
Location Reported location of the sighting or event
Savoie Department, Rhône-Alpes, France
Duration Estimated duration of the observed phenomenon
Few seconds
Object Type Classification of the observed object based on witness descriptions
orb
Source Origin database or archive this case was sourced from
geipan
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On October 7, 2001, at approximately 19:30 (7:30 PM local time), multiple independent witnesses across the Savoie department in the Rhône-Alpes region of France reported observing a spectacular atmospheric phenomenon. Witnesses described a very rapid passage of a green fireball accompanied by white luminous points trailing behind it. The object moved at extremely high velocity across the sky, displaying the characteristic features of a bolide or atmospheric entry event. The case was officially investigated by GEIPAN (Groupe d'Études et d'Informations sur les Phénomènes Aérospatiaux Non Identifiés), France's official UAP investigation service operated by CNES (Centre National d'Études Spatiales). The investigation collected testimony from multiple independent witnesses who observed the same phenomenon from different locations within the department. The consistency of reports regarding timing, color, trajectory characteristics, and accompanying luminous debris strengthened the reliability of the observations. GEIPAN classified this case as "B" (Probable identification with high confidence), concluding that the witnesses observed the atmospheric re-entry of a space object—either natural (meteoroid) or artificial (space debris). The green coloration, typical of copper compounds burning at high temperatures or certain meteoric compositions, along with the fragmentation pattern indicated by white trailing points, strongly supports this assessment. The case represents a well-documented example of how extraordinary atmospheric phenomena can generate multiple UFO reports.
02 Timeline of Events
19:30
Green Fireball Appears
Multiple witnesses across Savoie department observe a bright green fireball suddenly appear in the sky, moving at extremely high velocity.
19:30:02-05
Fragmentation Observed
White luminous points with trailing streams separate from the main green fireball as the object undergoes atmospheric fragmentation.
19:30:10
Object Disappears
The fireball and its fragments disappear from view after traversing the visible sky in a matter of seconds.
October 2001
GEIPAN Investigation Initiated
France's official UAP investigation service GEIPAN opens case 2001-10-01575, collecting witness testimonies and analyzing the reports.
Post-Investigation
Classification B Assigned
GEIPAN concludes investigation with 'B' classification: probable atmospheric re-entry of a space object (natural or artificial) with high confidence.
03 Key Witnesses
Multiple Independent Witnesses
Civilian observers across Savoie department
medium
Several independent witnesses from different locations within the Savoie department who reported the same phenomenon at the same time. The independence of witness reports strengthens overall credibility.
"Passage très rapide d'une boule de feu verte accompagnée de points lumineux blancs avec des trainées."
04 Analyst Notes -- AI Processed
This case demonstrates strong investigative methodology with multiple independent witness reports corroborating the same event at the same time. The consistency across testimonies regarding the green color, rapid velocity, and trailing debris pattern provides high credibility to the observations. The 19:30 timing allowed for good visibility conditions during twilight hours, when such phenomena are often most dramatic against a darkening sky. The green coloration is particularly diagnostic: meteors and re-entering space debris frequently produce green light due to the presence of nickel, copper, or magnesium compounds vaporizing at extreme temperatures during atmospheric friction. The described white luminous points with trails indicate fragmentation—a common occurrence when objects disintegrate under aerodynamic stress during high-velocity atmospheric entry. The "very rapid" passage aligns with typical bolide velocities of 11-72 km/s. GEIPAN's "B" classification indicates investigators had sufficient evidence to make a probable identification but lacked definitive tracking data (such as satellite confirmation or precise trajectory calculations) that would elevate it to an "A" classification (certain identification).
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Mass Misidentification of Natural Phenomenon
While the official explanation is almost certainly correct, a skeptical analysis notes that without precise trajectory data, radar tracking, or photographic evidence, absolute certainty remains elusive. However, the consistency of independent witness reports and the classic signature of atmospheric entry make alternative explanations (such as aircraft, drones, or other conventional objects) implausible. This case falls clearly within known natural/artificial atmospheric entry phenomena.
06 Verdict
ANALYST VERDICT
This case represents a textbook atmospheric re-entry event, most likely either a large meteoroid (bolide) or artificial space debris entering Earth's atmosphere. The confidence level is high based on the characteristic green coloration, extreme velocity, fragmentation pattern, and multiple independent witness corroboration. The green fireball with trailing white points matches the known signature of objects burning up during atmospheric entry at hypersonic speeds. While we cannot definitively identify whether the object was natural or artificial debris without tracking data, the phenomenon itself is well-explained by conventional atmospheric physics. This case is significant primarily as an example of how dramatic natural phenomena can generate UFO reports and demonstrates the value of official investigation in resolving such events. The multiple independent witnesses and consistent descriptions add to its documentary value for understanding public perception of atmospheric events.
AI CONFIDENCE SCORE:
85%
07 Community Discussion
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